Annual report

Period2021-12-21 → 2022-12-20

Filed2023-03-17

StandardJapan GAAP

ConsolidatedYes

Data checks24 of 24 passed

Key figures · 148

Metric	Value	Period	Scope	Source row
Revenue	¥3.6bn	2021-12-21 → 2022-12-20	Cons.	Net sales
Revenue	¥3.9bn	2020-12-21 → 2021-12-20	Cons.	Net sales
Revenue	¥3.2bn	2019-12-21 → 2020-12-20^d	Cons.	Net sales (5-year summary)
Revenue	¥3.9bn	2018-12-21 → 2019-12-20^d	Cons.	Net sales (5-year summary)
Revenue	¥4.6bn	2017-12-21 → 2018-12-20^d	Cons.	Net sales (5-year summary)
Operating income	−¥28m	2021-12-21 → 2022-12-20	Cons.	Operating income
Operating income	¥121m	2020-12-21 → 2021-12-20	Cons.	Operating income
Ordinary income	¥46m	2021-12-21 → 2022-12-20	Cons.	Ordinary income
Ordinary income	¥254m	2020-12-21 → 2021-12-20	Cons.	Ordinary income
Ordinary income	−¥314m	2019-12-21 → 2020-12-20^d	Cons.	Ordinary income loss (5-year summary)
Ordinary income	−¥88m	2018-12-21 → 2019-12-20^d	Cons.	Ordinary income loss (5-year summary)
Ordinary income	¥131m	2017-12-21 → 2018-12-20^d	Cons.	Ordinary income loss (5-year summary)
Profit before tax	¥43m	2021-12-21 → 2022-12-20	Cons.	Income before income taxes
Profit before tax	¥258m	2020-12-21 → 2021-12-20	Cons.	Income before income taxes
Net income (owners)	¥40m	2021-12-21 → 2022-12-20	Cons.	Profit loss attributable to owners of parent
Net income (owners)	¥241m	2020-12-21 → 2021-12-20	Cons.	Profit loss attributable to owners of parent
Net income (owners)	−¥630m	2019-12-21 → 2020-12-20^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	−¥214m	2018-12-21 → 2019-12-20^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	¥69m	2017-12-21 → 2018-12-20^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income	¥33m	2021-12-21 → 2022-12-20	Cons.	Profit loss
Net income	¥237m	2020-12-21 → 2021-12-20	Cons.	Profit loss
Total assets	¥4.8bn	at 2022-12-20	Cons.	Assets
Total assets	¥4.8bn	at 2021-12-20	Cons.	Assets
Total assets	¥4.4bn	at 2020-12-20^d	Cons.	Total assets (5-year summary)
Total assets	¥5.1bn	at 2019-12-20^d	Cons.	Total assets (5-year summary)
Total assets	¥5.3bn	at 2018-12-20^d	Cons.	Total assets (5-year summary)
Total liabilities	¥2.1bn	at 2022-12-20	Cons.	Liabilities
Total liabilities	¥2.2bn	at 2021-12-20	Cons.	Liabilities
Net assets / equity	¥2.7bn	at 2022-12-20	Cons.	Net assets
Net assets / equity	¥2.6bn	at 2021-12-20	Cons.	Net assets
Net assets / equity	¥2.4bn	at 2020-12-20^d	Cons.	Net assets
Net assets / equity	¥3.1bn	at 2019-12-20^d	Cons.	Net assets (5-year summary)
Net assets / equity	¥3.3bn	at 2018-12-20^d	Cons.	Net assets (5-year summary)
Cash and deposits	¥1.5bn	at 2022-12-20	Cons.	Cash and deposits
Cash and deposits	¥1.5bn	at 2021-12-20	Cons.	Cash and deposits
Cash & equivalents	¥714m	at 2022-12-20	Cons.	Cash and cash equivalents
Cash & equivalents	¥691m	at 2021-12-20	Cons.	Cash and cash equivalents
Cash & equivalents	¥469m	at 2020-12-20^d	Cons.	Cash and cash equivalents
Cash & equivalents	¥542m	at 2019-12-20^d	Cons.	Cash and cash equivalents (5-year summary)
Cash & equivalents	¥437m	at 2018-12-20^d	Cons.	Cash and cash equivalents (5-year summary)
Operating cash flow	¥233m	2021-12-21 → 2022-12-20	Cons.	Net cash provided by used in operating activities
Operating cash flow	¥165m	2020-12-21 → 2021-12-20	Cons.	Net cash provided by used in operating activities
Operating cash flow	¥50m	2019-12-21 → 2020-12-20^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	¥262m	2018-12-21 → 2019-12-20^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥33m	2017-12-21 → 2018-12-20^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Investing cash flow	−¥77m	2021-12-21 → 2022-12-20	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥8m	2020-12-21 → 2021-12-20	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥43m	2019-12-21 → 2020-12-20^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥89m	2018-12-21 → 2019-12-20^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥20m	2017-12-21 → 2018-12-20^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Financing cash flow	−¥146m	2021-12-21 → 2022-12-20	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥61m	2020-12-21 → 2021-12-20	Cons.	Net cash provided by used in financing activities
Financing cash flow	−¥75m	2019-12-21 → 2020-12-20^d	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	−¥72m	2018-12-21 → 2019-12-20^d	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	−¥239m	2017-12-21 → 2018-12-20^d	Cons.	Net cash provided by used in financing activities (5-year summary)
EPS (basic)	¥6.7	2021-12-21 → 2022-12-20	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥40.84	2020-12-21 → 2021-12-20	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)
EPS (basic)	¥-36.38	2018-12-21 → 2019-12-20^d	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥11.82	2017-12-21 → 2018-12-20^d	Cons.	Basic earnings loss per share (5-year summary)
Net assets per share	¥443.77	at 2022-12-20	Cons.	Net assets per share (5-year summary)
Net assets per share	¥438.04	at 2021-12-20	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)
Net assets per share	¥515.5	at 2019-12-20^d	Cons.	Net assets per share (5-year summary)
Net assets per share	¥554.87	at 2018-12-20^d	Cons.	Net assets per share (5-year summary)
Equity ratio	55.0%	at 2022-12-20	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	53.5%	at 2021-12-20	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)
Equity ratio	59.6%	at 2019-12-20^d	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	62.0%	at 2018-12-20^d	Cons.	Equity to asset ratio (5-year summary)
ROE	1.5%	2021-12-21 → 2022-12-20	Cons.	Rate of return on equity (5-year summary)
ROE	9.7%	2020-12-21 → 2021-12-20	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)
ROE	-6.8%	2018-12-21 → 2019-12-20^d	Cons.	Rate of return on equity (5-year summary)
ROE	2.1%	2017-12-21 → 2018-12-20^d	Cons.	Rate of return on equity (5-year summary)
Employees	234	at 2022-12-20	Cons.	Number of employees
Employees	245	at 2021-12-20	Cons.	Number of employees
Employees	262	at 2020-12-20^d	Cons.	Number of employees
Employees	263	at 2019-12-20^d	Cons.	Number of employees
Employees	261	at 2018-12-20^d	Cons.	Number of employees
Revenue	¥3.3bn	2021-12-21 → 2022-12-20	Standalone	Net sales
Revenue	¥3.8bn	2020-12-21 → 2021-12-20	Standalone	Net sales
Revenue	¥3.1bn	2019-12-21 → 2020-12-20^d	Standalone	Net sales (5-year summary)
Revenue	¥3.7bn	2018-12-21 → 2019-12-20^d	Standalone	Net sales (5-year summary)
Revenue	¥4.4bn	2017-12-21 → 2018-12-20^d	Standalone	Net sales (5-year summary)
Operating income	−¥26m	2021-12-21 → 2022-12-20	Standalone	Operating income
Operating income	¥121m	2020-12-21 → 2021-12-20	Standalone	Operating income
Ordinary income	¥46m	2021-12-21 → 2022-12-20	Standalone	Ordinary income
Ordinary income	¥196m	2020-12-21 → 2021-12-20	Standalone	Ordinary income
Ordinary income	−¥286m	2019-12-21 → 2020-12-20^d	Standalone	Ordinary income loss (5-year summary)
Ordinary income	−¥93m	2018-12-21 → 2019-12-20^d	Standalone	Ordinary income loss (5-year summary)
Ordinary income	¥91m	2017-12-21 → 2018-12-20^d	Standalone	Ordinary income loss (5-year summary)
Profit before tax	¥46m	2021-12-21 → 2022-12-20	Standalone	Income before income taxes
Profit before tax	¥201m	2020-12-21 → 2021-12-20	Standalone	Income before income taxes
Net income	¥40m	2021-12-21 → 2022-12-20	Standalone	Profit loss
Net income	¥197m	2020-12-21 → 2021-12-20	Standalone	Profit loss
Net income	−¥608m	2019-12-21 → 2020-12-20^d	Standalone	Net income loss (5-year summary)
Net income	−¥200m	2018-12-21 → 2019-12-20^d	Standalone	Net income loss (5-year summary)
Net income	¥47m	2017-12-21 → 2018-12-20^d	Standalone	Net income loss (5-year summary)
Total assets	¥4.7bn	at 2022-12-20	Standalone	Assets
Total assets	¥4.7bn	at 2021-12-20	Standalone	Assets
Total assets	¥4.3bn	at 2020-12-20^d	Standalone	Total assets (5-year summary)
Total assets	¥4.9bn	at 2019-12-20^d	Standalone	Total assets (5-year summary)
Total assets	¥5.1bn	at 2018-12-20^d	Standalone	Total assets (5-year summary)
Total liabilities	¥2.1bn	at 2022-12-20	Standalone	Liabilities
Total liabilities	¥2.2bn	at 2021-12-20	Standalone	Liabilities
Net assets / equity	¥2.6bn	at 2022-12-20	Standalone	Net assets
Net assets / equity	¥2.5bn	at 2021-12-20	Standalone	Net assets
Net assets / equity	¥2.4bn	at 2020-12-20^d	Standalone	Net assets
Net assets / equity	¥3.0bn	at 2019-12-20^d	Standalone	Net assets (5-year summary)
Net assets / equity	¥3.2bn	at 2018-12-20^d	Standalone	Net assets (5-year summary)
Cash and deposits	¥1.3bn	at 2022-12-20	Standalone	Cash and deposits
Cash and deposits	¥1.4bn	at 2021-12-20	Standalone	Cash and deposits
EPS (basic)	¥6.68	2021-12-21 → 2022-12-20	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥33.3	2020-12-21 → 2021-12-20	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)
EPS (basic)	¥-34.04	2018-12-21 → 2019-12-20^d	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥8.09	2017-12-21 → 2018-12-20^d	Standalone	Basic earnings loss per share (5-year summary)
Dividend per share	¥3	2021-12-21 → 2022-12-20	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥5	2020-12-21 → 2021-12-20	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)
Dividend per share	¥3	2018-12-21 → 2019-12-20^d	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥5	2017-12-21 → 2018-12-20^d	Standalone	Dividend paid per share (5-year summary)
Net assets per share	¥431.61	at 2022-12-20	Standalone	Net assets per share (5-year summary)
Net assets per share	¥427.6	at 2021-12-20	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)
Net assets per share	¥509.91	at 2019-12-20^d	Standalone	Net assets per share (5-year summary)
Net assets per share	¥546.89	at 2018-12-20^d	Standalone	Net assets per share (5-year summary)
Equity ratio	54.6%	at 2022-12-20	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	53.2%	at 2021-12-20	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)
Equity ratio	61.1%	at 2019-12-20^d	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	63.2%	at 2018-12-20^d	Standalone	Equity to asset ratio (5-year summary)
ROE	1.6%	2021-12-21 → 2022-12-20	Standalone	Rate of return on equity (5-year summary)
ROE	8.1%	2020-12-21 → 2021-12-20	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)
ROE	-6.4%	2018-12-21 → 2019-12-20^d	Standalone	Rate of return on equity (5-year summary)
ROE	1.5%	2017-12-21 → 2018-12-20^d	Standalone	Rate of return on equity (5-year summary)
Shares issued	5,951,600	at 2022-12-20	Standalone	Total number of issued shares (5-year summary)
Shares issued	5,910,100	at 2021-12-20	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)
Shares issued	5,872,000	at 2019-12-20^d	Standalone	Total number of issued shares (5-year summary)
Shares issued	5,872,000	at 2018-12-20^d	Standalone	Total number of issued shares (5-year summary)
Employees	202	at 2022-12-20	Standalone	Number of employees
Employees	206	at 2021-12-20	Standalone	Number of employees
Employees	222	at 2020-12-20^d	Standalone	Number of employees
Employees	222	at 2019-12-20^d	Standalone	Number of employees
Employees	222	at 2018-12-20^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 · 83

Segment	Item	Period	Value
Reconciling Itemsreconciling	capex	2021-12-21 → 2022-12-20	¥68m
Reconciling Itemsreconciling	depreciation	2021-12-21 → 2022-12-20	¥24m
Reconciling Itemsreconciling	revenue	2021-12-21 → 2022-12-20	−¥10m
Reconciling Itemsreconciling	revenue intersegment	2021-12-21 → 2022-12-20	−¥10m
Reconciling Itemsreconciling	segment assets	at 2022-12-20	¥2.5bn
Reconciling Itemsreconciling	segment profit	2021-12-21 → 2022-12-20	−¥429m
Electronic Substrate Businessreportable segment	capex	2021-12-21 → 2022-12-20	¥95m
Electronic Substrate Businessreportable segment	depreciation	2021-12-21 → 2022-12-20	¥73m
Electronic Substrate Businessreportable segment	employees	at 2022-12-20	131 pure
Electronic Substrate Businessreportable segment	revenue	2021-12-21 → 2022-12-20	¥2.7bn
Electronic Substrate Businessreportable segment	revenue external	2021-12-21 → 2022-12-20	¥2.7bn
Electronic Substrate Businessreportable segment	segment assets	at 2022-12-20	¥1.5bn
Electronic Substrate Businessreportable segment	segment profit	2021-12-21 → 2022-12-20	¥585m
Industrial Machinery And System Businessreportable segment	depreciation	2021-12-21 → 2022-12-20	¥2m
Industrial Machinery And System Businessreportable segment	employees	at 2022-12-20	12 pure
Industrial Machinery And System Businessreportable segment	revenue	2021-12-21 → 2022-12-20	¥258m
Industrial Machinery And System Businessreportable segment	revenue external	2021-12-21 → 2022-12-20	¥248m
Industrial Machinery And System Businessreportable segment	revenue intersegment	2021-12-21 → 2022-12-20	¥10m
Industrial Machinery And System Businessreportable segment	segment assets	at 2022-12-20	¥67m
Industrial Machinery And System Businessreportable segment	segment profit	2021-12-21 → 2022-12-20	−¥62m
Mirror Polishing Machine Businessreportable segment	capex	2021-12-21 → 2022-12-20	¥255,000
Mirror Polishing Machine Businessreportable segment	depreciation	2021-12-21 → 2022-12-20	¥4m
Mirror Polishing Machine Businessreportable segment	employees	at 2022-12-20	18 pure
Mirror Polishing Machine Businessreportable segment	revenue	2021-12-21 → 2022-12-20	¥318m
Mirror Polishing Machine Businessreportable segment	revenue external	2021-12-21 → 2022-12-20	¥318m
Mirror Polishing Machine Businessreportable segment	segment assets	at 2022-12-20	¥253m
Mirror Polishing Machine Businessreportable segment	segment profit	2021-12-21 → 2022-12-20	¥19m
Testing System Businessreportable segment	capex	2021-12-21 → 2022-12-20	¥3m
Testing System Businessreportable segment	depreciation	2021-12-21 → 2022-12-20	¥3m
Testing System Businessreportable segment	employees	at 2022-12-20	49 pure
Testing System Businessreportable segment	revenue	2021-12-21 → 2022-12-20	¥395m
Testing System Businessreportable segment	revenue external	2021-12-21 → 2022-12-20	¥395m
Testing System Businessreportable segment	segment assets	at 2022-12-20	¥454m
Testing System Businessreportable segment	segment profit	2021-12-21 → 2022-12-20	−¥142m
—segment total	capex	2021-12-21 → 2022-12-20	¥98m
—segment total	depreciation	2021-12-21 → 2022-12-20	¥82m
—segment total	employees	at 2022-12-20	210 pure
—segment total	revenue	2021-12-21 → 2022-12-20	¥3.6bn
—segment total	revenue external	2021-12-21 → 2022-12-20	¥3.6bn
—segment total	revenue intersegment	2021-12-21 → 2022-12-20	¥10m
—segment total	segment assets	at 2022-12-20	¥2.3bn
—segment total	segment profit	2021-12-21 → 2022-12-20	¥401m
Reconciling Itemsreconciling	capex	2020-12-21 → 2021-12-20	¥32m
Reconciling Itemsreconciling	depreciation	2020-12-21 → 2021-12-20	¥24m
Reconciling Itemsreconciling	revenue	2020-12-21 → 2021-12-20	−¥4m
Reconciling Itemsreconciling	revenue intersegment	2020-12-21 → 2021-12-20	−¥4m
Reconciling Itemsreconciling	segment assets	at 2021-12-20	¥2.5bn
Reconciling Itemsreconciling	segment profit	2020-12-21 → 2021-12-20	−¥424m
Electronic Substrate Businessreportable segment	capex	2020-12-21 → 2021-12-20	¥20m
Electronic Substrate Businessreportable segment	depreciation	2020-12-21 → 2021-12-20	¥92m
Electronic Substrate Businessreportable segment	revenue	2020-12-21 → 2021-12-20	¥2.5bn
Electronic Substrate Businessreportable segment	revenue external	2020-12-21 → 2021-12-20	¥2.5bn
Electronic Substrate Businessreportable segment	segment assets	at 2021-12-20	¥1.4bn
Electronic Substrate Businessreportable segment	segment profit	2020-12-21 → 2021-12-20	¥563m
Industrial Machinery And System Businessreportable segment	depreciation	2020-12-21 → 2021-12-20	¥2m
Industrial Machinery And System Businessreportable segment	revenue	2020-12-21 → 2021-12-20	¥359m
Industrial Machinery And System Businessreportable segment	revenue external	2020-12-21 → 2021-12-20	¥355m
Industrial Machinery And System Businessreportable segment	revenue intersegment	2020-12-21 → 2021-12-20	¥4m
Industrial Machinery And System Businessreportable segment	segment assets	at 2021-12-20	¥169m
Industrial Machinery And System Businessreportable segment	segment profit	2020-12-21 → 2021-12-20	−¥84m
Mirror Polishing Machine Businessreportable segment	capex	2020-12-21 → 2021-12-20	¥370,000
Mirror Polishing Machine Businessreportable segment	depreciation	2020-12-21 → 2021-12-20	¥6m
Mirror Polishing Machine Businessreportable segment	revenue	2020-12-21 → 2021-12-20	¥235m
Mirror Polishing Machine Businessreportable segment	revenue external	2020-12-21 → 2021-12-20	¥235m
Mirror Polishing Machine Businessreportable segment	segment assets	at 2021-12-20	¥218m
Mirror Polishing Machine Businessreportable segment	segment profit	2020-12-21 → 2021-12-20	−¥5m
Testing System Businessreportable segment	capex	2020-12-21 → 2021-12-20	¥778,000
Testing System Businessreportable segment	depreciation	2020-12-21 → 2021-12-20	¥3m
Testing System Businessreportable segment	revenue	2020-12-21 → 2021-12-20	¥857m
Testing System Businessreportable segment	revenue external	2020-12-21 → 2021-12-20	¥857m
Testing System Businessreportable segment	segment assets	at 2021-12-20	¥545m
Testing System Businessreportable segment	segment profit	2020-12-21 → 2021-12-20	¥72m
—segment total	capex	2020-12-21 → 2021-12-20	¥22m
—segment total	depreciation	2020-12-21 → 2021-12-20	¥103m
—segment total	revenue	2020-12-21 → 2021-12-20	¥3.9bn
—segment total	revenue external	2020-12-21 → 2021-12-20	¥3.9bn
—segment total	revenue intersegment	2020-12-21 → 2021-12-20	¥4m
—segment total	segment assets	at 2021-12-20	¥2.3bn
—segment total	segment profit	2020-12-21 → 2021-12-20	¥545m
Electronic Substrate Businessreportable segment	employees	at 2022-12-20	129 pure
Industrial Machinery And System Businessreportable segment	employees	at 2022-12-20	12 pure
Testing System Businessreportable segment	employees	at 2022-12-20	37 pure
—segment total	employees	at 2022-12-20	178 pure

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

All source rows · 1,483

Item	Context	Value	Unit
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_RetainedEarningsMember	10096000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_TreasuryStockMember	-17000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember	25932000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_CapitalStockMember	815198000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_LegalCapitalSurplusMember	938498000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_CapitalSurplusMember	938498000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_LegalRetainedEarningsMember	10412000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_RetainedEarningsBroughtForwardMember	759052000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_RetainedEarningsMember	769465000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_TreasuryStockMember	-116000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember	2523045000	JPY
Net assets	Prior1YearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember	27409000	JPY
Net assets	Prior1YearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember	27409000	JPY
Net assets	Prior1YearInstant_NonConsolidatedMember	2524523000	JPY
Issuance of new shares	CurrentYearDuration_NonConsolidatedMember	15853000	JPY
Dividends from surplus	CurrentYearDuration_NonConsolidatedMember	-29519000	JPY
Profit loss	CurrentYearDuration_NonConsolidatedMember	39616000	JPY
Purchase of treasury stock	CurrentYearDuration_NonConsolidatedMember	-17000	JPY
Net changes of items other than shareholders equity	CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember	15613000	JPY
Net changes of items other than shareholders equity	CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember	15613000	JPY
Net changes of items other than shareholders equity	CurrentYearDuration_NonConsolidatedMember	15613000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember	15613000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember	15613000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember	41545000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_ValuationDifferenceOnAvailableForSaleSecuritiesMember	43023000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_ValuationAndTranslationAdjustmentsMember	43023000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember	2566069000	JPY
Traveling and transportation expenses sga	Prior1YearDuration_NonConsolidatedMember	11091000	JPY
Traveling and transportation expenses sga	CurrentYearDuration_NonConsolidatedMember	13145000	JPY
Commission fee sga	Prior1YearDuration_NonConsolidatedMember	119316000	JPY
Commission fee sga	CurrentYearDuration_NonConsolidatedMember	90628000	JPY
Directors compensations sga	Prior1YearDuration_NonConsolidatedMember	48261000	JPY
Directors compensations sga	CurrentYearDuration_NonConsolidatedMember	58277000	JPY
Salaries and allowances sga	Prior1YearDuration_NonConsolidatedMember	332561000	JPY
Salaries and allowances sga	CurrentYearDuration_NonConsolidatedMember	347001000	JPY
Legal welfare expenses sga	Prior1YearDuration_NonConsolidatedMember	68233000	JPY
Legal welfare expenses sga	CurrentYearDuration_NonConsolidatedMember	72330000	JPY
Depreciation sga	Prior1YearDuration_NonConsolidatedMember	26551000	JPY
Depreciation sga	CurrentYearDuration_NonConsolidatedMember	26661000	JPY
Research and development expenses sga	Prior1YearDuration_NonConsolidatedMember	108226000	JPY
Research and development expenses sga	CurrentYearDuration_NonConsolidatedMember	101840000	JPY
Provision for product warranties sga	Prior1YearDuration_NonConsolidatedMember	335000	JPY
Provision for product warranties sga	CurrentYearDuration_NonConsolidatedMember	320000	JPY
Provision of allowance for doubtful accounts sga	Prior1YearDuration_NonConsolidatedMember	258000	JPY
Provision of allowance for doubtful accounts sga	CurrentYearDuration_NonConsolidatedMember	－	JPY
Document title cover page	FilingDateInstant	Original text (Japanese) 有価証券報告書
Clause of stipulation cover page	FilingDateInstant	Original text (Japanese) 金融商品取引法第24条第１項
Place of filing cover page	FilingDateInstant	Original text (Japanese) 近畿財務局長
Filing date cover page	FilingDateInstant	2023-03-17
Fiscal year cover page	FilingDateInstant	Original text (Japanese) 第62期（自　2021年12月21日　至　2022年12月20日）

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 2021-12-20	pass rounding
balance sheet identity	consolidated 2022-12-20	pass rounding
balance sheet identity	non_consolidated 2021-12-20	pass
balance sheet identity	non_consolidated 2022-12-20	pass
dei present		pass
period resolution		pass
statement vs summary · net assets	consolidated 2020-12-20	pass
statement vs summary · net assets	consolidated 2021-12-20	pass
statement vs summary · net assets	consolidated 2022-12-20	pass
statement vs summary · net assets	non_consolidated 2020-12-20	pass
statement vs summary · net assets	non_consolidated 2021-12-20	pass
statement vs summary · net assets	non_consolidated 2022-12-20	pass
statement vs summary · net income attributable to parent	consolidated 2020-12-21/2021-12-20	pass
statement vs summary · net income attributable to parent	consolidated 2021-12-21/2022-12-20	pass
statement vs summary · operating cash flow	consolidated 2020-12-21/2021-12-20	pass
statement vs summary · operating cash flow	consolidated 2021-12-21/2022-12-20	pass
statement vs summary · revenue	consolidated 2020-12-21/2021-12-20	pass
statement vs summary · revenue	consolidated 2021-12-21/2022-12-20	pass
statement vs summary · revenue	non_consolidated 2020-12-21/2021-12-20	pass
statement vs summary · revenue	non_consolidated 2021-12-21/2022-12-20	pass
statement vs summary · total assets	consolidated 2021-12-20	pass
statement vs summary · total assets	consolidated 2022-12-20	pass
statement vs summary · total assets	non_consolidated 2021-12-20	pass
statement vs summary · total assets	non_consolidated 2022-12-20	pass