Annual report

Period2025-01-01 → 2025-12-31

Filed2026-03-25

StandardJapan GAAP

ConsolidatedYes

Data checks24 of 24 passed

Key figures · 150

Metric	Value	Period	Scope	Source row
Revenue	¥10.5bn	2025-01-01 → 2025-12-31	Cons.	Net sales
Revenue	¥11.7bn	2024-01-01 → 2024-12-31	Cons.	Net sales
Revenue	¥10.4bn	2023-01-01 → 2023-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥10.0bn	2022-01-01 → 2022-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥13.1bn	2021-01-01 → 2021-12-31^d	Cons.	Net sales (5-year summary)
Operating income	¥351m	2025-01-01 → 2025-12-31	Cons.	Operating income
Operating income	¥653m	2024-01-01 → 2024-12-31	Cons.	Operating income
Ordinary income	¥377m	2025-01-01 → 2025-12-31	Cons.	Ordinary income
Ordinary income	¥741m	2024-01-01 → 2024-12-31	Cons.	Ordinary income
Ordinary income	¥588m	2023-01-01 → 2023-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	¥438m	2022-01-01 → 2022-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	¥1.3bn	2021-01-01 → 2021-12-31^d	Cons.	Ordinary income loss (5-year summary)
Profit before tax	¥377m	2025-01-01 → 2025-12-31	Cons.	Income before income taxes
Profit before tax	¥734m	2024-01-01 → 2024-12-31	Cons.	Income before income taxes
Net income (owners)	¥242m	2025-01-01 → 2025-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	¥547m	2024-01-01 → 2024-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	¥433m	2023-01-01 → 2023-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	¥294m	2022-01-01 → 2022-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	¥871m	2021-01-01 → 2021-12-31^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income	¥242m	2025-01-01 → 2025-12-31	Cons.	Profit loss
Net income	¥547m	2024-01-01 → 2024-12-31	Cons.	Profit loss
Total assets	¥9.8bn	at 2025-12-31	Cons.	Assets
Total assets	¥11.4bn	at 2024-12-31	Cons.	Assets
Total assets	¥10.7bn	at 2023-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥11.3bn	at 2022-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥10.3bn	at 2021-12-31^d	Cons.	Total assets (5-year summary)
Total liabilities	¥3.6bn	at 2025-12-31	Cons.	Liabilities
Total liabilities	¥5.2bn	at 2024-12-31	Cons.	Liabilities
Net assets / equity	¥6.2bn	at 2025-12-31	Cons.	Net assets
Net assets / equity	¥6.1bn	at 2024-12-31	Cons.	Net assets
Net assets / equity	¥5.7bn	at 2023-12-31^v	Cons.	Net assets
Net assets / equity	¥5.3bn	at 2022-12-31^v	Cons.	Net assets (5-year summary)
Net assets / equity	¥5.0bn	at 2021-12-31^d	Cons.	Net assets (5-year summary)
Cash and deposits	¥903m	at 2025-12-31	Cons.	Cash and deposits
Cash and deposits	¥948m	at 2024-12-31	Cons.	Cash and deposits
Cash & equivalents	¥903m	at 2025-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥948m	at 2024-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥1.2bn	at 2023-12-31^v	Cons.	Cash and cash equivalents
Cash & equivalents	¥1.6bn	at 2022-12-31^v	Cons.	Cash and cash equivalents (5-year summary)
Cash & equivalents	¥1.6bn	at 2021-12-31^d	Cons.	Cash and cash equivalents (5-year summary)
Operating cash flow	¥1.5bn	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	−¥1.3bn	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	¥2.2bn	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥1.7bn	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	¥661m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Investing cash flow	−¥227m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥640m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥273m	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥341m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥187m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Financing cash flow	−¥1.4bn	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥1.7bn	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	−¥2.3bn	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥2.0bn	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥121m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in financing activities (5-year summary)
EPS (basic)	¥52.08	2025-01-01 → 2025-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥117.66	2024-01-01 → 2024-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥93.41	2023-01-01 → 2023-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥63.67	2022-01-01 → 2022-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥225.03	2021-01-01 → 2021-12-31^d	Cons.	Basic earnings loss per share (5-year summary)
EPS (diluted)	¥224.36	2021-01-01 → 2021-12-31^d	Cons.	Diluted earnings per share (5-year summary)
Net assets per share	¥1,361.44	at 2025-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,320.51	at 2024-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,224.31	at 2023-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,150.21	at 2022-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,092.38	at 2021-12-31^d	Cons.	Net assets per share (5-year summary)
Equity ratio	63.2%	at 2025-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	54.1%	at 2024-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	53.2%	at 2023-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	47.1%	at 2022-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	48.8%	at 2021-12-31^d	Cons.	Equity to asset ratio (5-year summary)
ROE	3.9%	2025-01-01 → 2025-12-31	Cons.	Rate of return on equity (5-year summary)
ROE	9.2%	2024-01-01 → 2024-12-31	Cons.	Rate of return on equity (5-year summary)
ROE	7.9%	2023-01-01 → 2023-12-31^v	Cons.	Rate of return on equity (5-year summary)
ROE	5.7%	2022-01-01 → 2022-12-31^v	Cons.	Rate of return on equity (5-year summary)
ROE	20.9%	2021-01-01 → 2021-12-31^d	Cons.	Rate of return on equity (5-year summary)
Employees	259	at 2025-12-31	Cons.	Number of employees
Employees	267	at 2024-12-31	Cons.	Number of employees
Employees	273	at 2023-12-31^v	Cons.	Number of employees
Employees	326	at 2022-12-31^v	Cons.	Number of employees
Employees	289	at 2021-12-31^d	Cons.	Number of employees
Revenue	¥9.9bn	2025-01-01 → 2025-12-31	Standalone	Net sales
Revenue	¥10.9bn	2024-01-01 → 2024-12-31	Standalone	Net sales
Revenue	¥9.8bn	2023-01-01 → 2023-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥9.5bn	2022-01-01 → 2022-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥12.6bn	2021-01-01 → 2021-12-31^d	Standalone	Net sales (5-year summary)
Operating income	¥181m	2025-01-01 → 2025-12-31	Standalone	Operating income
Operating income	¥412m	2024-01-01 → 2024-12-31	Standalone	Operating income
Ordinary income	¥267m	2025-01-01 → 2025-12-31	Standalone	Ordinary income
Ordinary income	¥545m	2024-01-01 → 2024-12-31	Standalone	Ordinary income
Ordinary income	¥507m	2023-01-01 → 2023-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	¥497m	2022-01-01 → 2022-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	¥1.3bn	2021-01-01 → 2021-12-31^d	Standalone	Ordinary income loss (5-year summary)
Profit before tax	¥267m	2025-01-01 → 2025-12-31	Standalone	Income before income taxes
Profit before tax	¥545m	2024-01-01 → 2024-12-31	Standalone	Income before income taxes
Net income	¥161m	2025-01-01 → 2025-12-31	Standalone	Profit loss
Net income	¥392m	2024-01-01 → 2024-12-31	Standalone	Profit loss
Net income	¥383m	2023-01-01 → 2023-12-31^v	Standalone	Net income loss (5-year summary)
Net income	¥346m	2022-01-01 → 2022-12-31^v	Standalone	Net income loss (5-year summary)
Net income	¥882m	2021-01-01 → 2021-12-31^d	Standalone	Net income loss (5-year summary)
Total assets	¥9.2bn	at 2025-12-31	Standalone	Assets
Total assets	¥10.7bn	at 2024-12-31	Standalone	Assets
Total assets	¥10.2bn	at 2023-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥10.8bn	at 2022-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥9.7bn	at 2021-12-31^d	Standalone	Total assets (5-year summary)
Total liabilities	¥3.7bn	at 2025-12-31	Standalone	Liabilities
Total liabilities	¥5.1bn	at 2024-12-31	Standalone	Liabilities
Net assets / equity	¥5.5bn	at 2025-12-31	Standalone	Net assets
Net assets / equity	¥5.6bn	at 2024-12-31	Standalone	Net assets
Net assets / equity	¥5.3bn	at 2023-12-31^v	Standalone	Net assets
Net assets / equity	¥5.0bn	at 2022-12-31^v	Standalone	Net assets (5-year summary)
Net assets / equity	¥4.7bn	at 2021-12-31^d	Standalone	Net assets (5-year summary)
Cash and deposits	¥562m	at 2025-12-31	Standalone	Cash and deposits
Cash and deposits	¥626m	at 2024-12-31	Standalone	Cash and deposits
EPS (basic)	¥34.6	2025-01-01 → 2025-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥84.5	2024-01-01 → 2024-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥82.67	2023-01-01 → 2023-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥74.78	2022-01-01 → 2022-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥227.86	2021-01-01 → 2021-12-31^d	Standalone	Basic earnings loss per share (5-year summary)
EPS (diluted)	¥227.19	2021-01-01 → 2021-12-31^d	Standalone	Diluted earnings per share (5-year summary)
Dividend per share	¥28	2025-01-01 → 2025-12-31	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥28	2024-01-01 → 2024-12-31	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥25	2023-01-01 → 2023-12-31^v	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥17	2022-01-01 → 2022-12-31^v	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥17	2021-01-01 → 2021-12-31^d	Standalone	Dividend paid per share (5-year summary)
Net assets per share	¥1,212.2	at 2025-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,197.63	at 2024-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,141.09	at 2023-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,075.93	at 2022-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,018.86	at 2021-12-31^d	Standalone	Net assets per share (5-year summary)
Equity ratio	60.1%	at 2025-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	52.0%	at 2024-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	52.1%	at 2023-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	46.3%	at 2022-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	48.4%	at 2021-12-31^d	Standalone	Equity to asset ratio (5-year summary)
ROE	2.9%	2025-01-01 → 2025-12-31	Standalone	Rate of return on equity (5-year summary)
ROE	7.2%	2024-01-01 → 2024-12-31	Standalone	Rate of return on equity (5-year summary)
ROE	7.5%	2023-01-01 → 2023-12-31^v	Standalone	Rate of return on equity (5-year summary)
ROE	7.1%	2022-01-01 → 2022-12-31^v	Standalone	Rate of return on equity (5-year summary)
ROE	22.9%	2021-01-01 → 2021-12-31^d	Standalone	Rate of return on equity (5-year summary)
Shares issued	4,943,780	at 2025-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	4,943,780	at 2024-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	4,943,780	at 2023-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	4,943,780	at 2022-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	4,943,780	at 2021-12-31^d	Standalone	Total number of issued shares (5-year summary)
Employees	170	at 2025-12-31	Standalone	Number of employees
Employees	169	at 2024-12-31	Standalone	Number of employees
Employees	168	at 2023-12-31^v	Standalone	Number of employees
Employees	170	at 2022-12-31^v	Standalone	Number of employees
Employees	165	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.

All source rows · 1,375

Item	Context	Value	Unit
Research and development expenses sga	Prior1YearDuration	135000000	JPY
Research and development expenses sga	CurrentYearDuration	175000000	JPY
Write downs of inventories	Prior1YearDuration	11000000	JPY
Write downs of inventories	CurrentYearDuration	111000000	JPY
Cash and deposits	Prior1YearInstant_NonConsolidatedMember	626000000	JPY
Cash and deposits	CurrentYearInstant_NonConsolidatedMember	562000000	JPY
Notes receivable trade	Prior1YearInstant_NonConsolidatedMember	94000000	JPY
Notes receivable trade	CurrentYearInstant_NonConsolidatedMember	－	JPY
Electronically recorded monetary claims operating ca	Prior1YearInstant_NonConsolidatedMember	37000000	JPY
Electronically recorded monetary claims operating ca	CurrentYearInstant_NonConsolidatedMember	32000000	JPY
Accounts receivable trade	Prior1YearInstant_NonConsolidatedMember	735000000	JPY
Accounts receivable trade	CurrentYearInstant_NonConsolidatedMember	503000000	JPY
Accounts receivable from completed construction contracts cns	Prior1YearInstant_NonConsolidatedMember	2736000000	JPY
Accounts receivable from completed construction contracts cns	CurrentYearInstant_NonConsolidatedMember	2138000000	JPY
Merchandise and finished goods	Prior1YearInstant_NonConsolidatedMember	2176000000	JPY
Merchandise and finished goods	CurrentYearInstant_NonConsolidatedMember	1575000000	JPY
Work in process	Prior1YearInstant_NonConsolidatedMember	43000000	JPY
Work in process	CurrentYearInstant_NonConsolidatedMember	37000000	JPY
Costs on uncompleted construction contracts cns	Prior1YearInstant_NonConsolidatedMember	1000000	JPY
Costs on uncompleted construction contracts cns	CurrentYearInstant_NonConsolidatedMember	0	JPY
Raw materials and supplies	Prior1YearInstant_NonConsolidatedMember	262000000	JPY
Raw materials and supplies	CurrentYearInstant_NonConsolidatedMember	195000000	JPY
Other ca	Prior1YearInstant_NonConsolidatedMember	87000000	JPY
Other ca	CurrentYearInstant_NonConsolidatedMember	283000000	JPY
Allowance for doubtful accounts ca	Prior1YearInstant_NonConsolidatedMember	-11000000	JPY
Allowance for doubtful accounts ca	CurrentYearInstant_NonConsolidatedMember	-0	JPY
Current assets	Prior1YearInstant_NonConsolidatedMember	6791000000	JPY
Current assets	CurrentYearInstant_NonConsolidatedMember	5328000000	JPY
Buildings net	Prior1YearInstant_NonConsolidatedMember	797000000	JPY
Buildings net	CurrentYearInstant_NonConsolidatedMember	765000000	JPY
Structures net	Prior1YearInstant_NonConsolidatedMember	3000000	JPY
Structures net	CurrentYearInstant_NonConsolidatedMember	3000000	JPY
Machinery and equipment net	Prior1YearInstant_NonConsolidatedMember	0	JPY
Machinery and equipment net	CurrentYearInstant_NonConsolidatedMember	0	JPY
Vehicles net	Prior1YearInstant_NonConsolidatedMember	1000000	JPY
Vehicles net	CurrentYearInstant_NonConsolidatedMember	0	JPY
Tools furniture and fixtures net	Prior1YearInstant_NonConsolidatedMember	214000000	JPY
Tools furniture and fixtures net	CurrentYearInstant_NonConsolidatedMember	199000000	JPY
Land	Prior1YearInstant_NonConsolidatedMember	1644000000	JPY
Land	CurrentYearInstant_NonConsolidatedMember	1644000000	JPY
Construction in progress	Prior1YearInstant_NonConsolidatedMember	18000000	JPY
Construction in progress	CurrentYearInstant_NonConsolidatedMember	1000000	JPY
Property plant and equipment	Prior1YearInstant_NonConsolidatedMember	2681000000	JPY
Property plant and equipment	CurrentYearInstant_NonConsolidatedMember	2614000000	JPY
Software	Prior1YearInstant_NonConsolidatedMember	66000000	JPY
Software	CurrentYearInstant_NonConsolidatedMember	86000000	JPY
Other ia	Prior1YearInstant_NonConsolidatedMember	10000000	JPY
Other ia	CurrentYearInstant_NonConsolidatedMember	5000000	JPY
Intangible assets	Prior1YearInstant_NonConsolidatedMember	76000000	JPY
Intangible assets	CurrentYearInstant_NonConsolidatedMember	92000000	JPY

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
balance sheet identity	consolidated 2025-12-31	pass rounding
balance sheet identity	non_consolidated 2024-12-31	pass
balance sheet identity	non_consolidated 2025-12-31	pass rounding
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