Kurogane Kosakusho Ltd.

Other Products ・ 7997

Figures below come from this company's annual securities report (有価証券報告書) filed with Japan's Financial Services Agency. Filing a false statement is a criminal offence, which is what makes them worth building on.

Average annual pay
¥4.9m
filing entity, incl. bonuses
vs peers
−¥1.00m
same industry & average age
Average age
47.5 yrs
Average tenure
20.3 yrs
Employees
264
consolidated
Market cap
J-Quants, ~12-week delay
Working here from 22 to 60est. ¥176m grossindustry norm ¥200m ・ ¥137m after tax and social insurance (78%)
What is left after tax and social insurance? →How much did the 2026 changes move it? →

Corporate Number 8120001042947 (National Tax Agency)

Workforce disclosure

Japan requires listed companies to disclose these three ratios. They are useful but easy to misread — the notes matter.

ItemValue What it does not tell you
Female managersdefinition of 'manager' varies by company
Male parental leavecan exceed 100%; says nothing about duration
Gender pay gap (all workers)women's pay as % of men's; not equal-work comparison
Workplace score (beta)44.5deviation vs all listed, 50 = median
Investment score (beta)46.8deviation vs all listed, 50 = median

Pay history

From past annual securities reports. Reorganisations move this figure even when pay itself does not — the average covers the filing entity only.

Fiscal year endAverage annual pay
2023-11-30¥4.8m
2024-11-30¥4.9m
2025-11-30¥4.9m

Similar companies

Same sector, closest by average pay. A starting point for comparison — not a ranking. Pay differences here are driven as much by average age and by how much of the group sits inside the filing entity as by how well a company pays.

Company Average payAvg ageCode
NANKAI PLYWOOD CO.,LTD¥4.8m44.87887
NIHON FLUSH CO.,LTD.¥4.8m39.17820
EDP Corporation¥4.9m48.47794
株式会社研創¥4.9m41.57939
MITSUMURA PRINTING CO.,LTD.¥4.9m47.27916
KOYOSHA INC.¥4.9m48.27946

Limitations

Source: annual securities report (EDINET, Financial Services Agency of Japan); market data from J-Quants (JPX Market Innovation & Research), ~12-week delay. Compiled independently by Corpus; not provided or endorsed by any government agency. Full detail in Japanese: 株式会社くろがね工作所.