Annual report

Period2025-01-01 → 2025-12-31

Filed2026-03-19

StandardJapan GAAP

ConsolidatedYes

Data checks24 of 24 passed

Key figures · 133

Metric	Value	Period	Scope	Source row
Revenue	¥128m	2025-01-01 → 2025-12-31	Cons.	Net sales
Revenue	¥258m	2024-01-01 → 2024-12-31	Cons.	Net sales
Revenue	¥30m	2023-01-01 → 2023-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥59m	2022-01-01 → 2022-12-31^v	Cons.	Net sales (5-year summary)
Revenue	¥8m	2021-01-01 → 2021-12-31^d	Cons.	Net sales (5-year summary)
Operating income	−¥942m	2025-01-01 → 2025-12-31	Cons.	Operating income
Operating income	−¥793m	2024-01-01 → 2024-12-31	Cons.	Operating income
Ordinary income	−¥937m	2025-01-01 → 2025-12-31	Cons.	Ordinary income
Ordinary income	−¥755m	2024-01-01 → 2024-12-31	Cons.	Ordinary income
Ordinary income	−¥931m	2023-01-01 → 2023-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	−¥1.1bn	2022-01-01 → 2022-12-31^v	Cons.	Ordinary income loss (5-year summary)
Ordinary income	−¥1.1bn	2021-01-01 → 2021-12-31^d	Cons.	Ordinary income loss (5-year summary)
Profit before tax	−¥925m	2025-01-01 → 2025-12-31	Cons.	Income before income taxes
Profit before tax	−¥803m	2024-01-01 → 2024-12-31	Cons.	Income before income taxes
Net income (owners)	−¥937m	2025-01-01 → 2025-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	−¥807m	2024-01-01 → 2024-12-31	Cons.	Profit loss attributable to owners of parent
Net income (owners)	−¥933m	2023-01-01 → 2023-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	−¥1.1bn	2022-01-01 → 2022-12-31^v	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income (owners)	−¥1.1bn	2021-01-01 → 2021-12-31^d	Cons.	Profit loss attributable to owners of parent (5-year summary)
Net income	−¥937m	2025-01-01 → 2025-12-31	Cons.	Profit loss
Net income	−¥807m	2024-01-01 → 2024-12-31	Cons.	Profit loss
Total assets	¥2.2bn	at 2025-12-31	Cons.	Assets
Total assets	¥2.3bn	at 2024-12-31	Cons.	Assets
Total assets	¥2.1bn	at 2023-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥1.4bn	at 2022-12-31^v	Cons.	Total assets (5-year summary)
Total assets	¥2.1bn	at 2021-12-31^d	Cons.	Total assets (5-year summary)
Total liabilities	¥109m	at 2025-12-31	Cons.	Liabilities
Total liabilities	¥106m	at 2024-12-31	Cons.	Liabilities
Net assets / equity	¥2.0bn	at 2025-12-31	Cons.	Net assets
Net assets / equity	¥2.2bn	at 2024-12-31	Cons.	Net assets
Net assets / equity	¥1.9bn	at 2023-12-31^v	Cons.	Net assets
Net assets / equity	¥1.2bn	at 2022-12-31^v	Cons.	Net assets (5-year summary)
Net assets / equity	¥2.0bn	at 2021-12-31^d	Cons.	Net assets (5-year summary)
Cash and deposits	¥1.8bn	at 2025-12-31	Cons.	Cash and deposits
Cash and deposits	¥2.0bn	at 2024-12-31	Cons.	Cash and deposits
Cash & equivalents	¥1.8bn	at 2025-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥2.0bn	at 2024-12-31	Cons.	Cash and cash equivalents
Cash & equivalents	¥1.7bn	at 2023-12-31^v	Cons.	Cash and cash equivalents
Cash & equivalents	¥994m	at 2022-12-31^v	Cons.	Cash and cash equivalents (5-year summary)
Cash & equivalents	¥1.7bn	at 2021-12-31^d	Cons.	Cash and cash equivalents (5-year summary)
Operating cash flow	−¥888m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	−¥803m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in operating activities
Operating cash flow	−¥914m	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥1.1bn	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in operating activities (5-year summary)
Operating cash flow	−¥924m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in operating activities (5-year summary)
Investing cash flow	−¥83m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥3m	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in investment activities
Investing cash flow	−¥759,000	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥2m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in investing activities (5-year summary)
Investing cash flow	−¥3m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in investing activities (5-year summary)
Financing cash flow	¥745m	2025-01-01 → 2025-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥1.1bn	2024-01-01 → 2024-12-31	Cons.	Net cash provided by used in financing activities
Financing cash flow	¥1.6bn	2023-01-01 → 2023-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥356m	2022-01-01 → 2022-12-31^v	Cons.	Net cash provided by used in financing activities (5-year summary)
Financing cash flow	¥816m	2021-01-01 → 2021-12-31^d	Cons.	Net cash provided by used in financing activities (5-year summary)
EPS (basic)	¥-17.44	2025-01-01 → 2025-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-18.56	2024-01-01 → 2024-12-31	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-26.82	2023-01-01 → 2023-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-43.81	2022-01-01 → 2022-12-31^v	Cons.	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-49.62	2021-01-01 → 2021-12-31^d	Cons.	Basic earnings loss per share (5-year summary)
Net assets per share	¥33.51	at 2025-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥44.53	at 2024-12-31	Cons.	Net assets per share (5-year summary)
Net assets per share	¥48.44	at 2023-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥40.71	at 2022-12-31^v	Cons.	Net assets per share (5-year summary)
Net assets per share	¥77.09	at 2021-12-31^d	Cons.	Net assets per share (5-year summary)
Equity ratio	92.2%	at 2025-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	92.9%	at 2024-12-31	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	90.6%	at 2023-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	82.2%	at 2022-12-31^v	Cons.	Equity to asset ratio (5-year summary)
Equity ratio	89.9%	at 2021-12-31^d	Cons.	Equity to asset ratio (5-year summary)
Employees	21	at 2025-12-31	Cons.	Number of employees
Employees	22	at 2024-12-31	Cons.	Number of employees
Employees	22	at 2023-12-31^v	Cons.	Number of employees
Employees	22	at 2022-12-31^v	Cons.	Number of employees
Employees	23	at 2021-12-31^d	Cons.	Number of employees
Revenue	¥128m	2025-01-01 → 2025-12-31	Standalone	Net sales
Revenue	¥258m	2024-01-01 → 2024-12-31	Standalone	Net sales
Revenue	¥30m	2023-01-01 → 2023-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥59m	2022-01-01 → 2022-12-31^v	Standalone	Net sales (5-year summary)
Revenue	¥8m	2021-01-01 → 2021-12-31^d	Standalone	Net sales (5-year summary)
Operating income	−¥986m	2025-01-01 → 2025-12-31	Standalone	Operating income
Operating income	−¥820m	2024-01-01 → 2024-12-31	Standalone	Operating income
Ordinary income	−¥975m	2025-01-01 → 2025-12-31	Standalone	Ordinary income
Ordinary income	−¥781m	2024-01-01 → 2024-12-31	Standalone	Ordinary income
Ordinary income	−¥934m	2023-01-01 → 2023-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	−¥1.1bn	2022-01-01 → 2022-12-31^v	Standalone	Ordinary income loss (5-year summary)
Ordinary income	−¥1.1bn	2021-01-01 → 2021-12-31^d	Standalone	Ordinary income loss (5-year summary)
Profit before tax	−¥963m	2025-01-01 → 2025-12-31	Standalone	Income before income taxes
Profit before tax	−¥829m	2024-01-01 → 2024-12-31	Standalone	Income before income taxes
Net income	−¥965m	2025-01-01 → 2025-12-31	Standalone	Profit loss
Net income	−¥826m	2024-01-01 → 2024-12-31	Standalone	Profit loss
Net income	−¥935m	2023-01-01 → 2023-12-31^v	Standalone	Net income loss (5-year summary)
Net income	−¥1.1bn	2022-01-01 → 2022-12-31^v	Standalone	Net income loss (5-year summary)
Net income	−¥1.1bn	2021-01-01 → 2021-12-31^d	Standalone	Net income loss (5-year summary)
Total assets	¥2.1bn	at 2025-12-31	Standalone	Assets
Total assets	¥2.2bn	at 2024-12-31	Standalone	Assets
Total assets	¥2.0bn	at 2023-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥1.4bn	at 2022-12-31^v	Standalone	Total assets (5-year summary)
Total assets	¥2.1bn	at 2021-12-31^d	Standalone	Total assets (5-year summary)
Total liabilities	¥89m	at 2025-12-31	Standalone	Liabilities
Total liabilities	¥33m	at 2024-12-31	Standalone	Liabilities
Net assets / equity	¥2.0bn	at 2025-12-31	Standalone	Net assets
Net assets / equity	¥2.1bn	at 2024-12-31	Standalone	Net assets
Net assets / equity	¥1.9bn	at 2023-12-31^v	Standalone	Net assets
Net assets / equity	¥1.2bn	at 2022-12-31^v	Standalone	Net assets (5-year summary)
Net assets / equity	¥1.9bn	at 2021-12-31^d	Standalone	Net assets (5-year summary)
Cash and deposits	¥1.7bn	at 2025-12-31	Standalone	Cash and deposits
Cash and deposits	¥1.8bn	at 2024-12-31	Standalone	Cash and deposits
EPS (basic)	¥-17.96	2025-01-01 → 2025-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-19	2024-01-01 → 2024-12-31	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-26.9	2023-01-01 → 2023-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-43.75	2022-01-01 → 2022-12-31^v	Standalone	Basic earnings loss per share (5-year summary)
EPS (basic)	¥-49.53	2021-01-01 → 2021-12-31^d	Standalone	Basic earnings loss per share (5-year summary)
Net assets per share	¥32.22	at 2025-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥43.57	at 2024-12-31	Standalone	Net assets per share (5-year summary)
Net assets per share	¥47.65	at 2023-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥39.79	at 2022-12-31^v	Standalone	Net assets per share (5-year summary)
Net assets per share	¥76.37	at 2021-12-31^d	Standalone	Net assets per share (5-year summary)
Equity ratio	92.8%	at 2025-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	95.9%	at 2024-12-31	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	90.4%	at 2023-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	81.8%	at 2022-12-31^v	Standalone	Equity to asset ratio (5-year summary)
Equity ratio	89.8%	at 2021-12-31^d	Standalone	Equity to asset ratio (5-year summary)
Shares issued	59,365,100	at 2025-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	47,495,100	at 2024-12-31	Standalone	Total number of issued shares (5-year summary)
Shares issued	38,365,100	at 2023-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	28,224,100	at 2022-12-31^v	Standalone	Total number of issued shares (5-year summary)
Shares issued	24,595,100	at 2021-12-31^d	Standalone	Total number of issued shares (5-year summary)
Employees	20	at 2025-12-31	Standalone	Number of employees
Employees	21	at 2024-12-31	Standalone	Number of employees
Employees	21	at 2023-12-31^v	Standalone	Number of employees
Employees	21	at 2022-12-31^v	Standalone	Number of employees
Employees	22	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 · 1,208

Item	Context	Value	Unit
Deposits received	Prior1YearInstant_NonConsolidatedMember	1609000	JPY
Deposits received	CurrentYearInstant_NonConsolidatedMember	1327000	JPY
Current liabilities	Prior1YearInstant_NonConsolidatedMember	32789000	JPY
Current liabilities	CurrentYearInstant_NonConsolidatedMember	57633000	JPY
Deferred tax liabilities	Prior1YearInstant_NonConsolidatedMember	－	JPY
Deferred tax liabilities	CurrentYearInstant_NonConsolidatedMember	31270000	JPY
Noncurrent liabilities	Prior1YearInstant_NonConsolidatedMember	－	JPY
Noncurrent liabilities	CurrentYearInstant_NonConsolidatedMember	31270000	JPY
Liabilities	Prior1YearInstant_NonConsolidatedMember	32789000	JPY
Liabilities	CurrentYearInstant_NonConsolidatedMember	88903000	JPY
Capital stock	Prior1YearInstant_NonConsolidatedMember	580917000	JPY
Capital stock	CurrentYearInstant_NonConsolidatedMember	450912000	JPY
Legal capital surplus	Prior1YearInstant_NonConsolidatedMember	2314092000	JPY
Legal capital surplus	CurrentYearInstant_NonConsolidatedMember	2358402000	JPY
Capital surplus	Prior1YearInstant_NonConsolidatedMember	2314092000	JPY
Capital surplus	CurrentYearInstant_NonConsolidatedMember	2358402000	JPY
Retained earnings brought forward	Prior1YearInstant_NonConsolidatedMember	-825684000	JPY
Retained earnings brought forward	CurrentYearInstant_NonConsolidatedMember	-964898000	JPY
Retained earnings	Prior1YearInstant_NonConsolidatedMember	-825684000	JPY
Retained earnings	CurrentYearInstant_NonConsolidatedMember	-964898000	JPY
Treasury stock	Prior1YearInstant_NonConsolidatedMember	-0	JPY
Treasury stock	CurrentYearInstant_NonConsolidatedMember	-0	JPY
Shareholders equity	Prior1YearInstant_NonConsolidatedMember	2069324000	JPY
Shareholders equity	CurrentYearInstant_NonConsolidatedMember	1844416000	JPY
Valuation difference on available for sale securities	Prior1YearInstant_NonConsolidatedMember	－	JPY
Valuation difference on available for sale securities	CurrentYearInstant_NonConsolidatedMember	68443000	JPY
Valuation and translation adjustments	Prior1YearInstant_NonConsolidatedMember	－	JPY
Valuation and translation adjustments	CurrentYearInstant_NonConsolidatedMember	68443000	JPY
Subscription rights to shares	Prior1YearInstant_NonConsolidatedMember	55122000	JPY
Subscription rights to shares	CurrentYearInstant_NonConsolidatedMember	59891000	JPY
Net assets	Prior1YearInstant_NonConsolidatedMember	2124447000	JPY
Net assets	CurrentYearInstant_NonConsolidatedMember	1972751000	JPY
Liabilities and net assets	Prior1YearInstant_NonConsolidatedMember	2157236000	JPY
Liabilities and net assets	CurrentYearInstant_NonConsolidatedMember	2061655000	JPY
Net sales of finished goods rev oa	Prior1YearDuration_NonConsolidatedMember	325000	JPY
Net sales of finished goods rev oa	CurrentYearDuration_NonConsolidatedMember	3976000	JPY
Revenue from research and development rev oa	Prior1YearDuration_NonConsolidatedMember	257590000	JPY
Revenue from research and development rev oa	CurrentYearDuration_NonConsolidatedMember	124108000	JPY
Net sales	Prior1YearDuration_NonConsolidatedMember	257915000	JPY
Net sales	CurrentYearDuration_NonConsolidatedMember	128084000	JPY
Cost of finished goods sold	Prior1YearDuration_NonConsolidatedMember	300000	JPY
Cost of finished goods sold	CurrentYearDuration_NonConsolidatedMember	1200000	JPY
Cost of sales	Prior1YearDuration_NonConsolidatedMember	300000	JPY
Cost of sales	CurrentYearDuration_NonConsolidatedMember	1200000	JPY
Gross profit	Prior1YearDuration_NonConsolidatedMember	257615000	JPY
Gross profit	CurrentYearDuration_NonConsolidatedMember	126884000	JPY
Directors compensations sga	Prior1YearDuration_NonConsolidatedMember	44604000	JPY
Directors compensations sga	CurrentYearDuration_NonConsolidatedMember	50237000	JPY
Salaries and allowances sga	Prior1YearDuration_NonConsolidatedMember	26318000	JPY
Salaries and allowances sga	CurrentYearDuration_NonConsolidatedMember	30343000	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
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