Annual report

Period2025-01-01 → 2025-12-31

Filed2026-03-31

StandardJapan GAAP

ConsolidatedYes

Data checks24 of 24 passed

Key figures · 143

Metric	Value	Period	Scope	Source row
Revenue	¥429m	2025-01-01 → 2025-12-31	Cons.	Net sales
Revenue	¥417m	2024-01-01 → 2024-12-31	Cons.	Net sales
Revenue	¥407m	2023-01-01 → 2023-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥210m	2022-01-01 → 2022-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥308m	2021-01-01 → 2021-12-31^d	Cons.	Net sales (5-year summary)
Operating income	−¥1.2bn	2025-01-01 → 2025-12-31	Cons.	Operating income
Operating income	−¥1.1bn	2024-01-01 → 2024-12-31	Cons.	Operating income
Ordinary income	−¥1.2bn	2025-01-01 → 2025-12-31	Cons.	Ordinary income
Ordinary income	−¥1.1bn	2024-01-01 → 2024-12-31	Cons.	Ordinary income
Ordinary income	−¥552m	2023-01-01 → 2023-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	−¥684m	2022-01-01 → 2022-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	−¥669m	2021-01-01 → 2021-12-31^d	Cons.	Ordinary income loss (5-year summary)
Profit before tax	−¥1.2bn	2025-01-01 → 2025-12-31	Cons.	Income before income taxes
Profit before tax	−¥1.1bn	2024-01-01 → 2024-12-31	Cons.	Income before income taxes
Net income (owners)	−¥1.2bn	2025-01-01 → 2025-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	−¥1.1bn	2024-01-01 → 2024-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	−¥555m	2023-01-01 → 2023-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	−¥686m	2022-01-01 → 2022-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	−¥629m	2021-01-01 → 2021-12-31^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income	−¥1.2bn	2025-01-01 → 2025-12-31	Cons.	Profit loss
Net income	−¥1.1bn	2024-01-01 → 2024-12-31	Cons.	Profit loss
Total assets	¥919m	at 2025-12-31	Cons.	Assets
Total assets	¥1.2bn	at 2024-12-31	Cons.	Assets
Total assets	¥2.0bn	at 2023-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥1.9bn	at 2022-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥1.9bn	at 2021-12-31^d	Cons.	Total assets (5-year summary)
Total liabilities	¥576m	at 2025-12-31	Cons.	Liabilities
Total liabilities	¥495m	at 2024-12-31	Cons.	Liabilities
Net assets / equity	¥344m	at 2025-12-31	Cons.	Net assets
Net assets / equity	¥700m	at 2024-12-31	Cons.	Net assets
Net assets / equity	¥1.7bn	at 2023-12-31^v	Cons.	Net assets
Net assets / equity	¥1.4bn	at 2022-12-31^v	Cons.	Net assets (5-year summary)
Net assets / equity	¥1.6bn	at 2021-12-31^d	Cons.	Net assets (5-year summary)
Cash and deposits	¥83m	at 2025-12-31	Cons.	Cash and deposits
Cash and deposits	¥91m	at 2024-12-31	Cons.	Cash and deposits
Cash & equivalents	¥83m	at 2025-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥91m	at 2024-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥362m	at 2023-12-31^v	Cons.	Cash and cash equivalents
Cash & equivalents	¥278m	at 2022-12-31^v	Cons.	Cash and cash equivalents (5-year summary)
Cash & equivalents	¥219m	at 2021-12-31^d	Cons.	Cash and cash equivalents (5-year summary)
Operating cash flow	−¥751m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	−¥662m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	−¥558m	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥613m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥856m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Investing cash flow	−¥31m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥2m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥300,000	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	¥4m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	¥22m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Financing cash flow	¥667m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥171m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥641m	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥668m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥69m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in financing activities (5-year summary)
EPS (basic)	¥-23.45	2025-01-01 → 2025-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-25.27	2024-01-01 → 2024-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-13.85	2023-01-01 → 2023-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-19.87	2022-01-01 → 2022-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-19.04	2021-01-01 → 2021-12-31^d	Cons.	Basic earnings loss per share (5-year summary)
Net assets per share	¥6.4	at 2025-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥15.12	at 2024-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥37.94	at 2023-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥37.24	at 2022-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥47.86	at 2021-12-31^d	Cons.	Net assets per share (5-year summary)
Equity ratio	37.4%	at 2025-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	57.0%	at 2024-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	83.9%	at 2023-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	70.6%	at 2022-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	83.4%	at 2021-12-31^d	Cons.	Equity to asset ratio (5-year summary)
ROE	-242.5%	2025-01-01 → 2025-12-31	Cons.	Rate of return on equity (5-year summary)
ROE	-94.6%	2024-01-01 → 2024-12-31	Cons.	Rate of return on equity (5-year summary)
ROE	-37.0%	2023-01-01 → 2023-12-31^v	Cons.	Rate of return on equity (5-year summary)
ROE	-46.9%	2022-01-01 → 2022-12-31^v	Cons.	Rate of return on equity (5-year summary)
ROE	-33.9%	2021-01-01 → 2021-12-31^d	Cons.	Rate of return on equity (5-year summary)
Employees	68	at 2025-12-31	Cons.	Number of employees
Employees	72	at 2024-12-31	Cons.	Number of employees
Employees	72	at 2023-12-31^v	Cons.	Number of employees
Employees	77	at 2022-12-31^v	Cons.	Number of employees
Employees	87	at 2021-12-31^d	Cons.	Number of employees
Revenue	¥477m	2025-01-01 → 2025-12-31	Standalone	Net sales
Revenue	¥225m	2024-01-01 → 2024-12-31	Standalone	Net sales
Revenue	¥287m	2023-01-01 → 2023-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥236m	2022-01-01 → 2022-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥254m	2021-01-01 → 2021-12-31^d	Standalone	Net sales (5-year summary)
Operating income	−¥453m	2025-01-01 → 2025-12-31	Standalone	Operating income
Operating income	−¥832m	2024-01-01 → 2024-12-31	Standalone	Operating income
Ordinary income	−¥451m	2025-01-01 → 2025-12-31	Standalone	Ordinary income
Ordinary income	−¥840m	2024-01-01 → 2024-12-31	Standalone	Ordinary income
Ordinary income	−¥498m	2023-01-01 → 2023-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	−¥547m	2022-01-01 → 2022-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	−¥545m	2021-01-01 → 2021-12-31^d	Standalone	Ordinary income loss (5-year summary)
Profit before tax	−¥1.0bn	2025-01-01 → 2025-12-31	Standalone	Income before income taxes
Profit before tax	−¥1.4bn	2024-01-01 → 2024-12-31	Standalone	Income before income taxes
Net income	−¥1.0bn	2025-01-01 → 2025-12-31	Standalone	Profit loss
Net income	−¥1.4bn	2024-01-01 → 2024-12-31	Standalone	Profit loss
Net income	−¥501m	2023-01-01 → 2023-12-31^v	Standalone	Net income loss (5-year summary)
Net income	−¥549m	2022-01-01 → 2022-12-31^v	Standalone	Net income loss (5-year summary)
Net income	−¥509m	2021-01-01 → 2021-12-31^d	Standalone	Net income loss (5-year summary)
Total assets	¥621m	at 2025-12-31	Standalone	Assets
Total assets	¥999m	at 2024-12-31	Standalone	Assets
Total assets	¥2.2bn	at 2023-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥2.1bn	at 2022-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥2.0bn	at 2021-12-31^d	Standalone	Total assets (5-year summary)
Total liabilities	¥281m	at 2025-12-31	Standalone	Liabilities
Total liabilities	¥302m	at 2024-12-31	Standalone	Liabilities
Net assets / equity	¥339m	at 2025-12-31	Standalone	Net assets
Net assets / equity	¥697m	at 2024-12-31	Standalone	Net assets
Net assets / equity	¥2.0bn	at 2023-12-31^v	Standalone	Net assets
Net assets / equity	¥1.7bn	at 2022-12-31^v	Standalone	Net assets (5-year summary)
Net assets / equity	¥1.8bn	at 2021-12-31^d	Standalone	Net assets (5-year summary)
Cash and deposits	¥50m	at 2025-12-31	Standalone	Cash and deposits
Cash and deposits	¥87m	at 2024-12-31	Standalone	Cash and deposits
EPS (basic)	¥-19.8	2025-01-01 → 2025-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-31.81	2024-01-01 → 2024-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-12.5	2023-01-01 → 2023-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-15.9	2022-01-01 → 2022-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-15.41	2021-01-01 → 2021-12-31^d	Standalone	Basic earnings loss per share (5-year summary)
Net assets per share	¥6.32	at 2025-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥15.04	at 2024-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥45.27	at 2023-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥45.54	at 2022-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥53.79	at 2021-12-31^d	Standalone	Net assets per share (5-year summary)
Equity ratio	54.7%	at 2025-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	67.9%	at 2024-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	88.9%	at 2023-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	79.8%	at 2022-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	90.0%	at 2021-12-31^d	Standalone	Equity to asset ratio (5-year summary)
ROE	-206.3%	2025-01-01 → 2025-12-31	Standalone	Rate of return on equity (5-year summary)
ROE	-104.9%	2024-01-01 → 2024-12-31	Standalone	Rate of return on equity (5-year summary)
ROE	-27.7%	2023-01-01 → 2023-12-31^v	Standalone	Rate of return on equity (5-year summary)
ROE	-32.1%	2022-01-01 → 2022-12-31^v	Standalone	Rate of return on equity (5-year summary)
ROE	-25.1%	2021-01-01 → 2021-12-31^d	Standalone	Rate of return on equity (5-year summary)
Shares issued	53,641,000	at 2025-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	45,059,100	at 2024-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	43,641,000	at 2023-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	36,072,000	at 2022-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	33,041,000	at 2021-12-31^d	Standalone	Total number of issued shares (5-year summary)
Employees	49	at 2025-12-31	Standalone	Number of employees
Employees	50	at 2024-12-31	Standalone	Number of employees
Employees	52	at 2023-12-31^v	Standalone	Number of employees
Employees	55	at 2022-12-31^v	Standalone	Number of employees
Employees	61	at 2021-12-31^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 · 1

Segment	Item	Period	Value
Semiconductor Testing System Businessreportable segment	employees	at 2025-12-31	68 pure

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

All source rows · 1,144

Item	Context	Value	Unit
Profit loss	CurrentYearDuration_NonConsolidatedMember_RetainedEarningsBroughtForwardMember	-1049192000	JPY
Profit loss	CurrentYearDuration_NonConsolidatedMember_RetainedEarningsMember	-1049192000	JPY
Issuance of new shares	CurrentYearDuration_NonConsolidatedMember_CapitalStockMember	355238000	JPY
Issuance of new shares	CurrentYearDuration_NonConsolidatedMember_LegalCapitalSurplusMember	355238000	JPY
Issuance of new shares	CurrentYearDuration_NonConsolidatedMember_CapitalSurplusMember	355238000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_CapitalStockMember	355238000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_LegalCapitalSurplusMember	355238000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_CapitalSurplusMember	355238000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_RetainedEarningsBroughtForwardMember	-1049192000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_RetainedEarningsMember	-1049192000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_CapitalStockMember	2029658000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_LegalCapitalSurplusMember	2029658000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_OtherCapitalSurplusMember	286486000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_CapitalSurplusMember	2316144000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_RetainedEarningsBroughtForwardMember	-4006648000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_RetainedEarningsMember	-4006648000	JPY
Net assets	Prior1YearInstant_NonConsolidatedMember_ShareholdersEquityMember	677869000	JPY
Net assets	Prior1YearInstant_NonConsolidatedMember_SubscriptionRightsToSharesMember	18837000	JPY
Net assets	Prior1YearInstant_NonConsolidatedMember	696706000	JPY
Profit loss	CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember	-1049192000	JPY
Profit loss	CurrentYearDuration_NonConsolidatedMember	-1049192000	JPY
Issuance of new shares	CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember	710477000	JPY
Issuance of new shares	CurrentYearDuration_NonConsolidatedMember	710477000	JPY
Net changes of items other than shareholders equity	CurrentYearDuration_NonConsolidatedMember_SubscriptionRightsToSharesMember	-18837000	JPY
Net changes of items other than shareholders equity	CurrentYearDuration_NonConsolidatedMember	-18837000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_ShareholdersEquityMember	-338714000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember_SubscriptionRightsToSharesMember	-18837000	JPY
Total changes of items during the period	CurrentYearDuration_NonConsolidatedMember	-357552000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_ShareholdersEquityMember	339154000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember_SubscriptionRightsToSharesMember	－	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember	339154000	JPY
Directors compensations sga	Prior1YearDuration_NonConsolidatedMember	40132000	JPY
Directors compensations sga	CurrentYearDuration_NonConsolidatedMember	44100000	JPY
Salaries and allowances sga	Prior1YearDuration_NonConsolidatedMember	126109000	JPY
Salaries and allowances sga	CurrentYearDuration_NonConsolidatedMember	129916000	JPY
Bonuses sga	Prior1YearDuration_NonConsolidatedMember	8663000	JPY
Bonuses sga	CurrentYearDuration_NonConsolidatedMember	9769000	JPY
Legal welfare expenses sga	Prior1YearDuration_NonConsolidatedMember	27541000	JPY
Legal welfare expenses sga	CurrentYearDuration_NonConsolidatedMember	27569000	JPY
Traveling and transportation expenses sga	Prior1YearDuration_NonConsolidatedMember	22460000	JPY
Traveling and transportation expenses sga	CurrentYearDuration_NonConsolidatedMember	22511000	JPY
Research and development expenses sga	Prior1YearDuration_NonConsolidatedMember	187027000	JPY
Research and development expenses sga	CurrentYearDuration_NonConsolidatedMember	198244000	JPY
Write downs of inventories	Prior1YearDuration_NonConsolidatedMember	314918000	JPY
Write downs of inventories	CurrentYearDuration_NonConsolidatedMember	126006000	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) 関東財務局長
Filing date cover page	FilingDateInstant	2026-03-31
Fiscal year cover page	FilingDateInstant	Original text (Japanese) 第33期（自　2025年１月１日　至　2025年12月31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 2024-12-31	pass rounding
balance sheet identity	consolidated 2025-12-31	pass rounding
balance sheet identity	non_consolidated 2024-12-31	pass rounding
balance sheet identity	non_consolidated 2025-12-31	pass
dei present		pass
period resolution		pass
statement vs summary · net assets	consolidated 2023-12-31	pass
statement vs summary · net assets	consolidated 2024-12-31	pass
statement vs summary · net assets	consolidated 2025-12-31	pass
statement vs summary · net assets	non_consolidated 2023-12-31	pass
statement vs summary · net assets	non_consolidated 2024-12-31	pass
statement vs summary · net assets	non_consolidated 2025-12-31	pass
statement vs summary · net income attributable to parent	consolidated 2024-01-01/2024-12-31	pass
statement vs summary · net income attributable to parent	consolidated 2025-01-01/2025-12-31	pass
statement vs summary · operating cash flow	consolidated 2024-01-01/2024-12-31	pass
statement vs summary · operating cash flow	consolidated 2025-01-01/2025-12-31	pass
statement vs summary · revenue	consolidated 2024-01-01/2024-12-31	pass
statement vs summary · revenue	consolidated 2025-01-01/2025-12-31	pass
statement vs summary · revenue	non_consolidated 2024-01-01/2024-12-31	pass
statement vs summary · revenue	non_consolidated 2025-01-01/2025-12-31	pass
statement vs summary · total assets	consolidated 2024-12-31	pass
statement vs summary · total assets	consolidated 2025-12-31	pass
statement vs summary · total assets	non_consolidated 2024-12-31	pass
statement vs summary · total assets	non_consolidated 2025-12-31	pass