Annual report

Period2023-12-21 → 2024-12-20

Filed2025-03-18

StandardJapan GAAP

ConsolidatedYes

Data checks24 of 24 passed

Key figures · 148

Metric	Value	Period	Scope	Source row
Revenue	¥3.5bn	2023-12-21 → 2024-12-20	Cons.	Net sales
Revenue	¥3.4bn	2022-12-21 → 2023-12-20	Cons.	Net sales
Revenue	¥3.6bn	2021-12-21 → 2022-12-20^d	Cons.	Net sales (5-year summary)
Revenue	¥3.9bn	2020-12-21 → 2021-12-20^d	Cons.	Net sales (5-year summary)
Revenue	¥3.2bn	2019-12-21 → 2020-12-20^d	Cons.	Net sales (5-year summary)
Operating income	−¥54m	2023-12-21 → 2024-12-20	Cons.	Operating income
Operating income	−¥142m	2022-12-21 → 2023-12-20	Cons.	Operating income
Ordinary income	−¥47m	2023-12-21 → 2024-12-20	Cons.	Ordinary income
Ordinary income	−¥108m	2022-12-21 → 2023-12-20	Cons.	Ordinary income
Ordinary income	¥46m	2021-12-21 → 2022-12-20^d	Cons.	Ordinary income loss (5-year summary)
Ordinary income	¥254m	2020-12-21 → 2021-12-20^d	Cons.	Ordinary income loss (5-year summary)
Ordinary income	−¥314m	2019-12-21 → 2020-12-20^d	Cons.	Ordinary income loss (5-year summary)
Profit before tax	−¥50m	2023-12-21 → 2024-12-20	Cons.	Income before income taxes
Profit before tax	−¥123m	2022-12-21 → 2023-12-20	Cons.	Income before income taxes
Net income (owners)	−¥80m	2023-12-21 → 2024-12-20	Cons.	Profit loss attributable to owners of parent
Net income (owners)	−¥127m	2022-12-21 → 2023-12-20	Cons.	Profit loss attributable to owners of parent
Net income (owners)	¥40m	2021-12-21 → 2022-12-20^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	¥241m	2020-12-21 → 2021-12-20^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	−¥630m	2019-12-21 → 2020-12-20^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income	−¥81m	2023-12-21 → 2024-12-20	Cons.	Profit loss
Net income	−¥127m	2022-12-21 → 2023-12-20	Cons.	Profit loss
Total assets	¥4.5bn	at 2024-12-20	Cons.	Assets
Total assets	¥4.6bn	at 2023-12-20	Cons.	Assets
Total assets	¥4.8bn	at 2022-12-20^d	Cons.	Total assets (5-year summary)
Total assets	¥4.8bn	at 2021-12-20^d	Cons.	Total assets (5-year summary)
Total assets	¥4.4bn	at 2020-12-20^d	Cons.	Total assets (5-year summary)
Total liabilities	¥2.0bn	at 2024-12-20	Cons.	Liabilities
Total liabilities	¥2.0bn	at 2023-12-20	Cons.	Liabilities
Net assets / equity	¥2.5bn	at 2024-12-20	Cons.	Net assets
Net assets / equity	¥2.5bn	at 2023-12-20	Cons.	Net assets
Net assets / equity	¥2.7bn	at 2022-12-20^d	Cons.	Net assets
Net assets / equity	¥2.6bn	at 2021-12-20^d	Cons.	Net assets (5-year summary)
Net assets / equity	¥2.4bn	at 2020-12-20^d	Cons.	Net assets (5-year summary)
Cash and deposits	¥1.4bn	at 2024-12-20	Cons.	Cash and deposits
Cash and deposits	¥1.3bn	at 2023-12-20	Cons.	Cash and deposits
Cash & equivalents	¥574m	at 2024-12-20	Cons.	Cash and cash equivalents
Cash & equivalents	¥485m	at 2023-12-20	Cons.	Cash and cash equivalents
Cash & equivalents	¥714m	at 2022-12-20^d	Cons.	Cash and cash equivalents
Cash & equivalents	¥691m	at 2021-12-20^d	Cons.	Cash and cash equivalents (5-year summary)
Cash & equivalents	¥469m	at 2020-12-20^d	Cons.	Cash and cash equivalents (5-year summary)
Operating cash flow	¥249m	2023-12-21 → 2024-12-20	Cons.	Net cash provided by used in operating activities
Operating cash flow	−¥27m	2022-12-21 → 2023-12-20	Cons.	Net cash provided by used in operating activities
Operating cash flow	¥233m	2021-12-21 → 2022-12-20^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	¥165m	2020-12-21 → 2021-12-20^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	¥50m	2019-12-21 → 2020-12-20^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Investing cash flow	−¥5m	2023-12-21 → 2024-12-20	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥65m	2022-12-21 → 2023-12-20	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥77m	2021-12-21 → 2022-12-20^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥8m	2020-12-21 → 2021-12-20^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥43m	2019-12-21 → 2020-12-20^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Financing cash flow	−¥159m	2023-12-21 → 2024-12-20	Cons.	Net cash provided by used in financing activities
Financing cash flow	−¥141m	2022-12-21 → 2023-12-20	Cons.	Net cash provided by used in financing activities
Financing cash flow	−¥146m	2021-12-21 → 2022-12-20^d	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥61m	2020-12-21 → 2021-12-20^d	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	−¥75m	2019-12-21 → 2020-12-20^d	Cons.	Net cash provided by used in financing activities (5-year summary)
EPS (basic)	¥-13.35	2023-12-21 → 2024-12-20	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-21.28	2022-12-21 → 2023-12-20	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥6.7	2021-12-21 → 2022-12-20^d	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥40.84	2020-12-21 → 2021-12-20^d	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-106.83	2019-12-21 → 2020-12-20^d	Cons.	Basic earnings loss per share (5-year summary)
Net assets per share	¥417.55	at 2024-12-20	Cons.	Net assets per share (5-year summary)
Net assets per share	¥421.94	at 2023-12-20	Cons.	Net assets per share (5-year summary)
Net assets per share	¥443.77	at 2022-12-20^d	Cons.	Net assets per share (5-year summary)
Net assets per share	¥438.04	at 2021-12-20^d	Cons.	Net assets per share (5-year summary)
Net assets per share	¥400.69	at 2020-12-20^d	Cons.	Net assets per share (5-year summary)
Equity ratio	55.0%	at 2024-12-20	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	54.8%	at 2023-12-20	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	55.0%	at 2022-12-20^d	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	53.5%	at 2021-12-20^d	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	53.5%	at 2020-12-20^d	Cons.	Equity to asset ratio (5-year summary)
ROE	-3.2%	2023-12-21 → 2024-12-20	Cons.	Rate of return on equity (5-year summary)
ROE	-4.9%	2022-12-21 → 2023-12-20	Cons.	Rate of return on equity (5-year summary)
ROE	1.5%	2021-12-21 → 2022-12-20^d	Cons.	Rate of return on equity (5-year summary)
ROE	9.7%	2020-12-21 → 2021-12-20^d	Cons.	Rate of return on equity (5-year summary)
ROE	-23.4%	2019-12-21 → 2020-12-20^d	Cons.	Rate of return on equity (5-year summary)
Employees	209	at 2024-12-20	Cons.	Number of employees
Employees	228	at 2023-12-20	Cons.	Number of employees
Employees	234	at 2022-12-20^d	Cons.	Number of employees
Employees	245	at 2021-12-20^d	Cons.	Number of employees
Employees	262	at 2020-12-20^d	Cons.	Number of employees
Revenue	¥3.0bn	2023-12-21 → 2024-12-20	Standalone	Net sales
Revenue	¥3.0bn	2022-12-21 → 2023-12-20	Standalone	Net sales
Revenue	¥3.3bn	2021-12-21 → 2022-12-20^d	Standalone	Net sales (5-year summary)
Revenue	¥3.8bn	2020-12-21 → 2021-12-20^d	Standalone	Net sales (5-year summary)
Revenue	¥3.1bn	2019-12-21 → 2020-12-20^d	Standalone	Net sales (5-year summary)
Operating income	−¥113m	2023-12-21 → 2024-12-20	Standalone	Operating income
Operating income	−¥169m	2022-12-21 → 2023-12-20	Standalone	Operating income
Ordinary income	−¥95m	2023-12-21 → 2024-12-20	Standalone	Ordinary income
Ordinary income	−¥117m	2022-12-21 → 2023-12-20	Standalone	Ordinary income
Ordinary income	¥46m	2021-12-21 → 2022-12-20^d	Standalone	Ordinary income loss (5-year summary)
Ordinary income	¥196m	2020-12-21 → 2021-12-20^d	Standalone	Ordinary income loss (5-year summary)
Ordinary income	−¥286m	2019-12-21 → 2020-12-20^d	Standalone	Ordinary income loss (5-year summary)
Profit before tax	−¥98m	2023-12-21 → 2024-12-20	Standalone	Income before income taxes
Profit before tax	−¥132m	2022-12-21 → 2023-12-20	Standalone	Income before income taxes
Net income	−¥117m	2023-12-21 → 2024-12-20	Standalone	Profit loss
Net income	−¥132m	2022-12-21 → 2023-12-20	Standalone	Profit loss
Net income	¥40m	2021-12-21 → 2022-12-20^d	Standalone	Net income loss (5-year summary)
Net income	¥197m	2020-12-21 → 2021-12-20^d	Standalone	Net income loss (5-year summary)
Net income	−¥608m	2019-12-21 → 2020-12-20^d	Standalone	Net income loss (5-year summary)
Total assets	¥4.4bn	at 2024-12-20	Standalone	Assets
Total assets	¥4.5bn	at 2023-12-20	Standalone	Assets
Total assets	¥4.7bn	at 2022-12-20^d	Standalone	Total assets (5-year summary)
Total assets	¥4.7bn	at 2021-12-20^d	Standalone	Total assets (5-year summary)
Total assets	¥4.3bn	at 2020-12-20^d	Standalone	Total assets (5-year summary)
Total liabilities	¥2.0bn	at 2024-12-20	Standalone	Liabilities
Total liabilities	¥2.1bn	at 2023-12-20	Standalone	Liabilities
Net assets / equity	¥2.4bn	at 2024-12-20	Standalone	Net assets
Net assets / equity	¥2.4bn	at 2023-12-20	Standalone	Net assets
Net assets / equity	¥2.6bn	at 2022-12-20^d	Standalone	Net assets
Net assets / equity	¥2.5bn	at 2021-12-20^d	Standalone	Net assets (5-year summary)
Net assets / equity	¥2.4bn	at 2020-12-20^d	Standalone	Net assets (5-year summary)
Cash and deposits	¥1.2bn	at 2024-12-20	Standalone	Cash and deposits
Cash and deposits	¥1.1bn	at 2023-12-20	Standalone	Cash and deposits
EPS (basic)	¥-19.57	2023-12-21 → 2024-12-20	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-22.17	2022-12-21 → 2023-12-20	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥6.68	2021-12-21 → 2022-12-20^d	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥33.3	2020-12-21 → 2021-12-20^d	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-103.04	2019-12-21 → 2020-12-20^d	Standalone	Basic earnings loss per share (5-year summary)
Dividend per share	¥3	2023-12-21 → 2024-12-20	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥3	2022-12-21 → 2023-12-20	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥3	2021-12-21 → 2022-12-20^d	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥5	2020-12-21 → 2021-12-20^d	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥3	2019-12-21 → 2020-12-20^d	Standalone	Dividend paid per share (5-year summary)
Net assets per share	¥396.44	at 2024-12-20	Standalone	Net assets per share (5-year summary)
Net assets per share	¥407.58	at 2023-12-20	Standalone	Net assets per share (5-year summary)
Net assets per share	¥431.61	at 2022-12-20^d	Standalone	Net assets per share (5-year summary)
Net assets per share	¥427.6	at 2021-12-20^d	Standalone	Net assets per share (5-year summary)
Net assets per share	¥399.27	at 2020-12-20^d	Standalone	Net assets per share (5-year summary)
Equity ratio	54.0%	at 2024-12-20	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	53.9%	at 2023-12-20	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	54.6%	at 2022-12-20^d	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	53.2%	at 2021-12-20^d	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	54.5%	at 2020-12-20^d	Standalone	Equity to asset ratio (5-year summary)
ROE	-4.9%	2023-12-21 → 2024-12-20	Standalone	Rate of return on equity (5-year summary)
ROE	-5.3%	2022-12-21 → 2023-12-20	Standalone	Rate of return on equity (5-year summary)
ROE	1.6%	2021-12-21 → 2022-12-20^d	Standalone	Rate of return on equity (5-year summary)
ROE	8.1%	2020-12-21 → 2021-12-20^d	Standalone	Rate of return on equity (5-year summary)
ROE	-22.7%	2019-12-21 → 2020-12-20^d	Standalone	Rate of return on equity (5-year summary)
Shares issued	5,992,400	at 2024-12-20	Standalone	Total number of issued shares (5-year summary)
Shares issued	5,951,600	at 2023-12-20	Standalone	Total number of issued shares (5-year summary)
Shares issued	5,951,600	at 2022-12-20^d	Standalone	Total number of issued shares (5-year summary)
Shares issued	5,910,100	at 2021-12-20^d	Standalone	Total number of issued shares (5-year summary)
Shares issued	5,910,100	at 2020-12-20^d	Standalone	Total number of issued shares (5-year summary)
Employees	178	at 2024-12-20	Standalone	Number of employees
Employees	197	at 2023-12-20	Standalone	Number of employees
Employees	202	at 2022-12-20^d	Standalone	Number of employees
Employees	206	at 2021-12-20^d	Standalone	Number of employees
Employees	222	at 2020-12-20^d	Standalone	Number of employees

Periods use the dates stated in the filing. ^d = earlier-year period dated by calendar; ^v = that date confirmed by the company's own earlier filing.

Segments · 84

Segment	Item	Period	Value
Reconciling Itemsreconciling	capex	2023-12-21 → 2024-12-20	¥13m
Reconciling Itemsreconciling	depreciation	2023-12-21 → 2024-12-20	¥22m
Reconciling Itemsreconciling	revenue	2023-12-21 → 2024-12-20	−¥219,000
Reconciling Itemsreconciling	revenue intersegment	2023-12-21 → 2024-12-20	−¥219,000
Reconciling Itemsreconciling	segment assets	at 2024-12-20	¥2.3bn
Reconciling Itemsreconciling	segment profit	2023-12-21 → 2024-12-20	−¥450m
Electronic Substrate Businessreportable segment	capex	2023-12-21 → 2024-12-20	¥128m
Electronic Substrate Businessreportable segment	depreciation	2023-12-21 → 2024-12-20	¥109m
Electronic Substrate Businessreportable segment	employees	at 2024-12-20	117 pure
Electronic Substrate Businessreportable segment	revenue	2023-12-21 → 2024-12-20	¥2.3bn
Electronic Substrate Businessreportable segment	revenue external	2023-12-21 → 2024-12-20	¥2.3bn
Electronic Substrate Businessreportable segment	segment assets	at 2024-12-20	¥1.4bn
Electronic Substrate Businessreportable segment	segment profit	2023-12-21 → 2024-12-20	¥333m
Industrial Machinery And System Businessreportable segment	capex	2023-12-21 → 2024-12-20	¥903,000
Industrial Machinery And System Businessreportable segment	depreciation	2023-12-21 → 2024-12-20	¥1m
Industrial Machinery And System Businessreportable segment	employees	at 2024-12-20	7 pure
Industrial Machinery And System Businessreportable segment	revenue	2023-12-21 → 2024-12-20	¥133m
Industrial Machinery And System Businessreportable segment	revenue external	2023-12-21 → 2024-12-20	¥133m
Industrial Machinery And System Businessreportable segment	revenue intersegment	2023-12-21 → 2024-12-20	¥219,000
Industrial Machinery And System Businessreportable segment	segment assets	at 2024-12-20	¥97m
Industrial Machinery And System Businessreportable segment	segment profit	2023-12-21 → 2024-12-20	−¥30m
Mirror Polishing Machine Businessreportable segment	capex	2023-12-21 → 2024-12-20	¥9m
Mirror Polishing Machine Businessreportable segment	depreciation	2023-12-21 → 2024-12-20	¥5m
Mirror Polishing Machine Businessreportable segment	employees	at 2024-12-20	18 pure
Mirror Polishing Machine Businessreportable segment	revenue	2023-12-21 → 2024-12-20	¥422m
Mirror Polishing Machine Businessreportable segment	revenue external	2023-12-21 → 2024-12-20	¥422m
Mirror Polishing Machine Businessreportable segment	segment assets	at 2024-12-20	¥299m
Mirror Polishing Machine Businessreportable segment	segment profit	2023-12-21 → 2024-12-20	¥70m
Testing System Businessreportable segment	capex	2023-12-21 → 2024-12-20	¥275,000
Testing System Businessreportable segment	depreciation	2023-12-21 → 2024-12-20	¥3m
Testing System Businessreportable segment	employees	at 2024-12-20	41 pure
Testing System Businessreportable segment	revenue	2023-12-21 → 2024-12-20	¥698m
Testing System Businessreportable segment	revenue external	2023-12-21 → 2024-12-20	¥698m
Testing System Businessreportable segment	segment assets	at 2024-12-20	¥374m
Testing System Businessreportable segment	segment profit	2023-12-21 → 2024-12-20	¥23m
—segment total	capex	2023-12-21 → 2024-12-20	¥138m
—segment total	depreciation	2023-12-21 → 2024-12-20	¥118m
—segment total	employees	at 2024-12-20	183 pure
—segment total	revenue	2023-12-21 → 2024-12-20	¥3.5bn
—segment total	revenue external	2023-12-21 → 2024-12-20	¥3.5bn
—segment total	revenue intersegment	2023-12-21 → 2024-12-20	¥219,000
—segment total	segment assets	at 2024-12-20	¥2.2bn
—segment total	segment profit	2023-12-21 → 2024-12-20	¥396m
Reconciling Itemsreconciling	capex	2022-12-21 → 2023-12-20	¥48m
Reconciling Itemsreconciling	depreciation	2022-12-21 → 2023-12-20	¥20m
Reconciling Itemsreconciling	revenue	2022-12-21 → 2023-12-20	−¥974,000
Reconciling Itemsreconciling	revenue intersegment	2022-12-21 → 2023-12-20	−¥974,000
Reconciling Itemsreconciling	segment assets	at 2023-12-20	¥2.2bn
Reconciling Itemsreconciling	segment profit	2022-12-21 → 2023-12-20	−¥456m
Electronic Substrate Businessreportable segment	capex	2022-12-21 → 2023-12-20	¥154m
Electronic Substrate Businessreportable segment	depreciation	2022-12-21 → 2023-12-20	¥89m
Electronic Substrate Businessreportable segment	revenue	2022-12-21 → 2023-12-20	¥2.4bn
Electronic Substrate Businessreportable segment	revenue external	2022-12-21 → 2023-12-20	¥2.4bn
Electronic Substrate Businessreportable segment	segment assets	at 2023-12-20	¥1.4bn
Electronic Substrate Businessreportable segment	segment profit	2022-12-21 → 2023-12-20	¥399m
Industrial Machinery And System Businessreportable segment	depreciation	2022-12-21 → 2023-12-20	¥1m
Industrial Machinery And System Businessreportable segment	revenue	2022-12-21 → 2023-12-20	¥176m
Industrial Machinery And System Businessreportable segment	revenue external	2022-12-21 → 2023-12-20	¥175m
Industrial Machinery And System Businessreportable segment	revenue intersegment	2022-12-21 → 2023-12-20	¥974,000
Industrial Machinery And System Businessreportable segment	segment assets	at 2023-12-20	¥96m
Industrial Machinery And System Businessreportable segment	segment profit	2022-12-21 → 2023-12-20	−¥40m
Mirror Polishing Machine Businessreportable segment	capex	2022-12-21 → 2023-12-20	¥3m
Mirror Polishing Machine Businessreportable segment	depreciation	2022-12-21 → 2023-12-20	¥4m
Mirror Polishing Machine Businessreportable segment	revenue	2022-12-21 → 2023-12-20	¥397m
Mirror Polishing Machine Businessreportable segment	revenue external	2022-12-21 → 2023-12-20	¥397m
Mirror Polishing Machine Businessreportable segment	segment assets	at 2023-12-20	¥295m
Mirror Polishing Machine Businessreportable segment	segment profit	2022-12-21 → 2023-12-20	¥50m
Testing System Businessreportable segment	capex	2022-12-21 → 2023-12-20	¥2m
Testing System Businessreportable segment	depreciation	2022-12-21 → 2023-12-20	¥3m
Testing System Businessreportable segment	revenue	2022-12-21 → 2023-12-20	¥421m
Testing System Businessreportable segment	revenue external	2022-12-21 → 2023-12-20	¥421m
Testing System Businessreportable segment	segment assets	at 2023-12-20	¥538m
Testing System Businessreportable segment	segment profit	2022-12-21 → 2023-12-20	−¥95m
—segment total	capex	2022-12-21 → 2023-12-20	¥159m
—segment total	depreciation	2022-12-21 → 2023-12-20	¥97m
—segment total	revenue	2022-12-21 → 2023-12-20	¥3.4bn
—segment total	revenue external	2022-12-21 → 2023-12-20	¥3.4bn
—segment total	revenue intersegment	2022-12-21 → 2023-12-20	¥974,000
—segment total	segment assets	at 2023-12-20	¥2.3bn
—segment total	segment profit	2022-12-21 → 2023-12-20	¥314m
Electronic Substrate Businessreportable segment	employees	at 2024-12-20	115 pure
Industrial Machinery And System Businessreportable segment	employees	at 2024-12-20	7 pure
Testing System Businessreportable segment	employees	at 2024-12-20	30 pure
—segment total	employees	at 2024-12-20	152 pure

Segment names come from EDINET member IDs; not yet mapped to a common taxonomy.

All source rows · 1,484

Item	Context	Value	Unit
Total shareholder return	Prior3YearInstant_NonConsolidatedMember	0.889
Total shareholder return	Prior2YearInstant_NonConsolidatedMember	0.774
Total shareholder return	Prior1YearInstant_NonConsolidatedMember	0.678
Total shareholder return	CurrentYearInstant_NonConsolidatedMember	0.568
Total return on share price index	Prior4YearInstant_NonConsolidatedMember	1.060
Total return on share price index	Prior3YearInstant_NonConsolidatedMember	1.172
Total return on share price index	Prior2YearInstant_NonConsolidatedMember	1.181
Total return on share price index	Prior1YearInstant_NonConsolidatedMember	1.494
Total return on share price index	CurrentYearInstant_NonConsolidatedMember	1.759
Number of employees	CurrentYearInstant_jpcrp030000-asr_E02097-000ElectronicSubstrateBusinessReportableSegmentsMember	117
Number of employees	CurrentYearInstant_jpcrp030000-asr_E02097-000TestingSystemBusinessReportableSegmentsMember	41
Number of employees	CurrentYearInstant_jpcrp030000-asr_E02097-000MirrorPolishingMachineBusinessReportableSegmentsMember	18
Number of employees	CurrentYearInstant_jpcrp030000-asr_E02097-000IndustrialMachineryAndSystemBusinessReportableSegmentsMember	7
Number of employees	CurrentYearInstant_ReportableSegmentsMember	183
Number of employees	CurrentYearInstant_CorporateSharedMember	26
Number of employees	CurrentYearInstant	209
Number of employees	CurrentYearInstant_NonConsolidatedMember	178
Average age years information about reporting company information about employees	CurrentYearInstant_NonConsolidatedMember	45.7
Average length of service years information about reporting company information about employees	CurrentYearInstant_NonConsolidatedMember	19.3
Average annual salary information about reporting company information about employees	CurrentYearInstant_NonConsolidatedMember	5020343	JPY
Number of employees	CurrentYearInstant_NonConsolidatedMember_jpcrp030000-asr_E02097-000ElectronicSubstrateBusinessReportableSegmentsMember	115
Number of employees	CurrentYearInstant_NonConsolidatedMember_jpcrp030000-asr_E02097-000TestingSystemBusinessReportableSegmentsMember	30
Number of employees	CurrentYearInstant_NonConsolidatedMember_jpcrp030000-asr_E02097-000IndustrialMachineryAndSystemBusinessReportableSegmentsMember	7
Number of employees	CurrentYearInstant_NonConsolidatedMember_ReportableSegmentsMember	152
Number of employees	CurrentYearInstant_NonConsolidatedMember_CorporateSharedMember	26
Number of employees	CurrentYearInstant_NonConsolidatedMember	178
Ratio of female employees in managerial positions metrics of reporting company	CurrentYearInstant_NonConsolidatedMember	0.042
All employees calculated based on provisions of article714 item1 of ordinance for enforcement of act on childcare leave caregiver leave and other measures for the welfare of workers caring for children or other family members ratio of male employees taking childcare leave metrics of reporting company	CurrentYearInstant_NonConsolidatedMember	1.000
All employees differences in wages between male and female employees metrics of reporting company	CurrentYearInstant_NonConsolidatedMember	0.671
Regular employees differences in wages between male and female employees metrics of reporting company	CurrentYearInstant_NonConsolidatedMember	0.705
Non regular employees differences in wages between male and female employees metrics of reporting company	CurrentYearInstant_NonConsolidatedMember	0.508
Targets description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics	CurrentYearInstant_Row1Member	8
Performance description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics	CurrentYearInstant_Row1Member	4.2
Targets description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics	CurrentYearInstant_Row2Member	30
Performance description of metrics related to policy on development of human resources and internal environment and targets and performance using such metrics	CurrentYearInstant_Row2Member	27.3
Research and development expenses research and development activities	CurrentYearDuration	85079000	JPY
Research and development expenses research and development activities	CurrentYearDuration_jpcrp030000-asr_E02097-000ElectronicSubstrateBusinessReportableSegmentsMember	16504000	JPY
Research and development expenses research and development activities	CurrentYearDuration_jpcrp030000-asr_E02097-000TestingSystemBusinessReportableSegmentsMember	68574000	JPY
Capital expenditures overview of capital expenditures etc	CurrentYearDuration	150750000	JPY
Number of issued shares as of fiscal year end issued shares total number of shares etc	FilingDateInstant_OrdinaryShareMember	5992400
Number of issued shares as of filing date issued shares total number of shares etc	FilingDateInstant_OrdinaryShareMember	5992400
Number of issued shares as of fiscal year end issued shares total number of shares etc	FilingDateInstant	5992400
Number of issued shares as of filing date issued shares total number of shares etc	FilingDateInstant	5992400
Number of shares constituting one unit	CurrentYearInstant_OrdinaryShareMember	100
Number of shareholders national and local governments	CurrentYearInstant_OrdinaryShareMember	－
Number of shareholders financial institutions	CurrentYearInstant_OrdinaryShareMember	1
Number of shareholders financial service providers	CurrentYearInstant_OrdinaryShareMember	20
Number of shareholders other corporations	CurrentYearInstant_OrdinaryShareMember	24
Number of shareholders foreign investors other than individuals	CurrentYearInstant_OrdinaryShareMember	11
Number of shareholders foreign individual investors	CurrentYearInstant_OrdinaryShareMember	6

Every row of the EDINET CSV. Item names are the XBRL element names; filed text is kept in its original Japanese. Filed text is available on Plus and Pro.

Data checks · 24 of 24 passed

balance sheet identity	consolidated 2023-12-20	pass
balance sheet identity	consolidated 2024-12-20	pass rounding
balance sheet identity	non_consolidated 2023-12-20	pass
balance sheet identity	non_consolidated 2024-12-20	pass rounding
dei present		pass
period resolution		pass
statement vs summary · net assets	consolidated 2022-12-20	pass
statement vs summary · net assets	consolidated 2023-12-20	pass
statement vs summary · net assets	consolidated 2024-12-20	pass
statement vs summary · net assets	non_consolidated 2022-12-20	pass
statement vs summary · net assets	non_consolidated 2023-12-20	pass
statement vs summary · net assets	non_consolidated 2024-12-20	pass
statement vs summary · net income attributable to parent	consolidated 2022-12-21/2023-12-20	pass
statement vs summary · net income attributable to parent	consolidated 2023-12-21/2024-12-20	pass
statement vs summary · operating cash flow	consolidated 2022-12-21/2023-12-20	pass
statement vs summary · operating cash flow	consolidated 2023-12-21/2024-12-20	pass
statement vs summary · revenue	consolidated 2022-12-21/2023-12-20	pass
statement vs summary · revenue	consolidated 2023-12-21/2024-12-20	pass
statement vs summary · revenue	non_consolidated 2022-12-21/2023-12-20	pass
statement vs summary · revenue	non_consolidated 2023-12-21/2024-12-20	pass
statement vs summary · total assets	consolidated 2023-12-20	pass
statement vs summary · total assets	consolidated 2024-12-20	pass
statement vs summary · total assets	non_consolidated 2023-12-20	pass
statement vs summary · total assets	non_consolidated 2024-12-20	pass