Annual report

Period2025-01-01 → 2025-12-31

Filed2026-03-27

StandardJapan GAAP

ConsolidatedYes

Data checks24 of 24 passed

Key figures · 148

Metric	Value	Period	Scope	Source row
Revenue	¥5.9bn	2025-01-01 → 2025-12-31	Cons.	Net sales
Revenue	¥6.5bn	2024-01-01 → 2024-12-31	Cons.	Net sales
Revenue	¥7.2bn	2023-01-01 → 2023-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥7.2bn	2022-01-01 → 2022-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥6.2bn	2021-01-01 → 2021-12-31^v	Cons.	Net sales (5-year summary)
Operating income	−¥110m	2025-01-01 → 2025-12-31	Cons.	Operating income
Operating income	−¥133m	2024-01-01 → 2024-12-31	Cons.	Operating income
Ordinary income	−¥136m	2025-01-01 → 2025-12-31	Cons.	Ordinary income
Ordinary income	−¥104m	2024-01-01 → 2024-12-31	Cons.	Ordinary income
Ordinary income	¥139m	2023-01-01 → 2023-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	¥263m	2022-01-01 → 2022-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	¥106m	2021-01-01 → 2021-12-31^v	Cons.	Ordinary income loss (5-year summary)
Profit before tax	−¥252m	2025-01-01 → 2025-12-31	Cons.	Income before income taxes
Profit before tax	−¥163m	2024-01-01 → 2024-12-31	Cons.	Income before income taxes
Net income (owners)	−¥377m	2025-01-01 → 2025-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	−¥181m	2024-01-01 → 2024-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	¥51m	2023-01-01 → 2023-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	¥80m	2022-01-01 → 2022-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	¥30m	2021-01-01 → 2021-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income	−¥340m	2025-01-01 → 2025-12-31	Cons.	Profit loss
Net income	−¥242m	2024-01-01 → 2024-12-31	Cons.	Profit loss
Total assets	¥7.2bn	at 2025-12-31	Cons.	Assets
Total assets	¥7.7bn	at 2024-12-31	Cons.	Assets
Total assets	¥7.6bn	at 2023-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥7.6bn	at 2022-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥6.9bn	at 2021-12-31^v	Cons.	Total assets (5-year summary)
Total liabilities	¥5.6bn	at 2025-12-31	Cons.	Liabilities
Total liabilities	¥5.8bn	at 2024-12-31	Cons.	Liabilities
Net assets / equity	¥1.7bn	at 2025-12-31	Cons.	Net assets
Net assets / equity	¥1.9bn	at 2024-12-31	Cons.	Net assets
Net assets / equity	¥2.0bn	at 2023-12-31^v	Cons.	Net assets
Net assets / equity	¥2.0bn	at 2022-12-31^v	Cons.	Net assets (5-year summary)
Net assets / equity	¥1.9bn	at 2021-12-31^v	Cons.	Net assets (5-year summary)
Cash and deposits	¥1.7bn	at 2025-12-31	Cons.	Cash and deposits
Cash and deposits	¥1.7bn	at 2024-12-31	Cons.	Cash and deposits
Cash & equivalents	¥1.5bn	at 2025-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥1.5bn	at 2024-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥1.3bn	at 2023-12-31^v	Cons.	Cash and cash equivalents
Cash & equivalents	¥1.2bn	at 2022-12-31^v	Cons.	Cash and cash equivalents (5-year summary)
Cash & equivalents	¥1.2bn	at 2021-12-31^v	Cons.	Cash and cash equivalents (5-year summary)
Operating cash flow	¥231m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	¥76m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	−¥187m	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥144m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥276m	2021-01-01 → 2021-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Investing cash flow	−¥76m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥200m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥204m	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥104m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥88m	2021-01-01 → 2021-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Financing cash flow	−¥169m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥241m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥495m	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥221m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥10m	2021-01-01 → 2021-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
EPS (basic)	¥-304.33	2025-01-01 → 2025-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-146.63	2024-01-01 → 2024-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥41.5	2023-01-01 → 2023-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥64.25	2022-01-01 → 2022-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥24.31	2021-01-01 → 2021-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
Net assets per share	¥946.07	at 2025-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,218.38	at 2024-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,314.01	at 2023-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,273.98	at 2022-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥1,213.94	at 2021-12-31^v	Cons.	Net assets per share (5-year summary)
Equity ratio	16.2%	at 2025-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	19.5%	at 2024-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	21.3%	at 2023-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	20.8%	at 2022-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	21.9%	at 2021-12-31^v	Cons.	Equity to asset ratio (5-year summary)
ROE	-28.1%	2025-01-01 → 2025-12-31	Cons.	Rate of return on equity (5-year summary)
ROE	-11.6%	2024-01-01 → 2024-12-31	Cons.	Rate of return on equity (5-year summary)
ROE	3.2%	2023-01-01 → 2023-12-31^v	Cons.	Rate of return on equity (5-year summary)
ROE	5.2%	2022-01-01 → 2022-12-31^v	Cons.	Rate of return on equity (5-year summary)
ROE	2.1%	2021-01-01 → 2021-12-31^v	Cons.	Rate of return on equity (5-year summary)
Employees	302	at 2025-12-31	Cons.	Number of employees
Employees	329	at 2024-12-31	Cons.	Number of employees
Employees	322	at 2023-12-31^v	Cons.	Number of employees
Employees	374	at 2022-12-31^v	Cons.	Number of employees
Employees	365	at 2021-12-31^v	Cons.	Number of employees
Revenue	¥3.4bn	2025-01-01 → 2025-12-31	Standalone	Net sales
Revenue	¥3.4bn	2024-01-01 → 2024-12-31	Standalone	Net sales
Revenue	¥4.0bn	2023-01-01 → 2023-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥4.3bn	2022-01-01 → 2022-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥3.7bn	2021-01-01 → 2021-12-31^v	Standalone	Net sales (5-year summary)
Operating income	¥31m	2025-01-01 → 2025-12-31	Standalone	Operating income
Operating income	¥2m	2024-01-01 → 2024-12-31	Standalone	Operating income
Ordinary income	¥64m	2025-01-01 → 2025-12-31	Standalone	Ordinary income
Ordinary income	¥71m	2024-01-01 → 2024-12-31	Standalone	Ordinary income
Ordinary income	¥131m	2023-01-01 → 2023-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	¥127m	2022-01-01 → 2022-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	¥97m	2021-01-01 → 2021-12-31^v	Standalone	Ordinary income loss (5-year summary)
Profit before tax	−¥21m	2025-01-01 → 2025-12-31	Standalone	Income before income taxes
Profit before tax	¥54m	2024-01-01 → 2024-12-31	Standalone	Income before income taxes
Net income	−¥57m	2025-01-01 → 2025-12-31	Standalone	Profit loss
Net income	¥28m	2024-01-01 → 2024-12-31	Standalone	Profit loss
Net income	¥72m	2023-01-01 → 2023-12-31^v	Standalone	Net income loss (5-year summary)
Net income	¥85m	2022-01-01 → 2022-12-31^v	Standalone	Net income loss (5-year summary)
Net income	¥65m	2021-01-01 → 2021-12-31^v	Standalone	Net income loss (5-year summary)
Total assets	¥3.9bn	at 2025-12-31	Standalone	Assets
Total assets	¥4.1bn	at 2024-12-31	Standalone	Assets
Total assets	¥4.2bn	at 2023-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥4.7bn	at 2022-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥4.1bn	at 2021-12-31^v	Standalone	Total assets (5-year summary)
Total liabilities	¥2.5bn	at 2025-12-31	Standalone	Liabilities
Total liabilities	¥2.6bn	at 2024-12-31	Standalone	Liabilities
Net assets / equity	¥1.4bn	at 2025-12-31	Standalone	Net assets
Net assets / equity	¥1.4bn	at 2024-12-31	Standalone	Net assets
Net assets / equity	¥1.4bn	at 2023-12-31^v	Standalone	Net assets
Net assets / equity	¥1.4bn	at 2022-12-31^v	Standalone	Net assets (5-year summary)
Net assets / equity	¥1.3bn	at 2021-12-31^v	Standalone	Net assets (5-year summary)
Cash and deposits	¥497m	at 2025-12-31	Standalone	Cash and deposits
Cash and deposits	¥482m	at 2024-12-31	Standalone	Cash and deposits
EPS (basic)	¥-46.11	2025-01-01 → 2025-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥22.38	2024-01-01 → 2024-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥57.9	2023-01-01 → 2023-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥68.52	2022-01-01 → 2022-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥52.29	2021-01-01 → 2021-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
Dividend per share	¥25	2025-01-01 → 2025-12-31	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥30	2024-01-01 → 2024-12-31	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥30	2023-01-01 → 2023-12-31^v	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥45	2022-01-01 → 2022-12-31^v	Standalone	Dividend paid per share (5-year summary)
Dividend per share	¥30	2021-01-01 → 2021-12-31^v	Standalone	Dividend paid per share (5-year summary)
Net assets per share	¥1,105.48	at 2025-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,154.47	at 2024-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,149.42	at 2023-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,125.48	at 2022-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥1,090.62	at 2021-12-31^v	Standalone	Net assets per share (5-year summary)
Equity ratio	35.2%	at 2025-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	35.0%	at 2024-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	33.9%	at 2023-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	29.7%	at 2022-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	33.0%	at 2021-12-31^v	Standalone	Equity to asset ratio (5-year summary)
ROE	-4.1%	2025-01-01 → 2025-12-31	Standalone	Rate of return on equity (5-year summary)
ROE	1.9%	2024-01-01 → 2024-12-31	Standalone	Rate of return on equity (5-year summary)
ROE	5.1%	2023-01-01 → 2023-12-31^v	Standalone	Rate of return on equity (5-year summary)
ROE	6.2%	2022-01-01 → 2022-12-31^v	Standalone	Rate of return on equity (5-year summary)
ROE	4.8%	2021-01-01 → 2021-12-31^v	Standalone	Rate of return on equity (5-year summary)
Shares issued	1,240,000	at 2025-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	1,240,000	at 2024-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	1,240,000	at 2023-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	1,240,000	at 2022-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	1,240,000	at 2021-12-31^v	Standalone	Total number of issued shares (5-year summary)
Employees	45	at 2025-12-31	Standalone	Number of employees
Employees	46	at 2024-12-31	Standalone	Number of employees
Employees	51	at 2023-12-31^v	Standalone	Number of employees
Employees	51	at 2022-12-31^v	Standalone	Number of employees
Employees	49	at 2021-12-31^v	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 · 1,325

Item	Context	Value	Unit
Average number of temporary workers	Prior2YearInstant_NonConsolidatedMember	0
Average number of temporary workers	Prior1YearInstant_NonConsolidatedMember	0
Average number of temporary workers	CurrentYearInstant_NonConsolidatedMember	0
Total shareholder return	Prior4YearInstant_NonConsolidatedMember	0.990
Total shareholder return	Prior3YearInstant_NonConsolidatedMember	1.015
Total shareholder return	Prior2YearInstant_NonConsolidatedMember	1.069
Total shareholder return	Prior1YearInstant_NonConsolidatedMember	0.917
Total shareholder return	CurrentYearInstant_NonConsolidatedMember	1.088
Total return on share price index	Prior4YearInstant_NonConsolidatedMember	1.127
Total return on share price index	Prior3YearInstant_NonConsolidatedMember	1.100
Total return on share price index	Prior2YearInstant_NonConsolidatedMember	1.411
Total return on share price index	Prior1YearInstant_NonConsolidatedMember	1.699
Total return on share price index	CurrentYearInstant_NonConsolidatedMember	2.132
Number of employees	CurrentYearInstant	302
Average number of temporary workers	CurrentYearInstant	121
Number of employees	CurrentYearInstant_NonConsolidatedMember	45
Average number of temporary workers	CurrentYearInstant_NonConsolidatedMember	0
Average age years information about reporting company information about employees	CurrentYearInstant_NonConsolidatedMember	43.4
Average length of service years information about reporting company information about employees	CurrentYearInstant_NonConsolidatedMember	16.3
Average annual salary information about reporting company information about employees	CurrentYearInstant_NonConsolidatedMember	4460000	JPY
Number of employees	CurrentYearInstant_NonConsolidatedMember	45
Average number of temporary workers	CurrentYearInstant_NonConsolidatedMember	0
Research and development expenses research and development activities	CurrentYearDuration	337900000	JPY
Capital expenditures overview of capital expenditures etc	CurrentYearDuration	126000000	JPY
Number of issued shares as of fiscal year end issued shares total number of shares etc	FilingDateInstant_OrdinaryShareMember	1240000
Number of issued shares as of filing date issued shares total number of shares etc	FilingDateInstant_OrdinaryShareMember	1240000
Number of issued shares as of fiscal year end issued shares total number of shares etc	FilingDateInstant	1240000
Number of issued shares as of filing date issued shares total number of shares etc	FilingDateInstant	1240000
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	4
Number of shareholders financial service providers	CurrentYearInstant_OrdinaryShareMember	16
Number of shareholders other corporations	CurrentYearInstant_OrdinaryShareMember	19
Number of shareholders foreign investors other than individuals	CurrentYearInstant_OrdinaryShareMember	13
Number of shareholders foreign individual investors	CurrentYearInstant_OrdinaryShareMember	6
Number of shareholders individuals and others	CurrentYearInstant_OrdinaryShareMember	1195
Number of shareholders total	CurrentYearInstant_OrdinaryShareMember	1253
Number of shares held number of units national and local governments	CurrentYearInstant_OrdinaryShareMember	－
Number of shares held number of units financial institutions	CurrentYearInstant_OrdinaryShareMember	717
Number of shares held number of units financial service providers	CurrentYearInstant_OrdinaryShareMember	738
Number of shares held number of units other corporations	CurrentYearInstant_OrdinaryShareMember	636
Number of shares held number of units foreign investors other than individuals	CurrentYearInstant_OrdinaryShareMember	95
Number of shares held number of units foreign individual investors	CurrentYearInstant_OrdinaryShareMember	32
Number of shares held number of units individuals and others	CurrentYearInstant_OrdinaryShareMember	10119
Number of shares held number of units total	CurrentYearInstant_OrdinaryShareMember	12337
Number of shares held shares less than one unit	CurrentYearInstant_OrdinaryShareMember	6300
Percentage of shareholdings national and local governments	CurrentYearInstant_OrdinaryShareMember	－
Percentage of shareholdings financial institutions	CurrentYearInstant_OrdinaryShareMember	0.05811
Percentage of shareholdings financial service providers	CurrentYearInstant_OrdinaryShareMember	0.05982
Percentage of shareholdings other corporations	CurrentYearInstant_OrdinaryShareMember	0.05155

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
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