What share of managers are women at Ota Kokan Co., Ltd.?

4.0%, as reported to MHLW's women's-advancement database (as of March 2026).

How much overtime do employees at Ota Kokan Co., Ltd. work, and how much paid leave do they take?

Average overtime is 12.9 hours a month (median for the same industry and size: 10.7 hours), as reported to MHLW's women's-advancement database.

← Wholesale & retail in Hiroshima

Wholesale & retail·Hiroshima·101–300 employees

Ota Kokan Co., Ltd.

Japanese name: 大田鋼管株式会社 · English rendering · Corporate number 6240001001703 · 日本語

Ota Kokan Co., Ltd. (大田鋼管株式会社), a wholesale & retail employer in Hiroshima with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 4.0% of its managers are women (as of March 2026).

Women's advancement and leave

Women in management

4.0%

Median, same industry and size: 8.2%

Women among officers

0.0%

Median, same industry and size: 0.0%

Women among new hires

2.5%

Median, same industry and size: 40.0%

Women's pay as % of men's, all

Not published

Median, same industry and size: 70.6%

Women's pay as % of men's, regular

Not published

Median, same industry and size: 74.1%

Women's pay as % of men's, non-regular

32.9%

Median, same industry and size: 78.9%

Men taking childcare leave

Not published

Median, same industry and size: 50.0%

The pay figures compare women's average pay with men's, not pay for the same job. Data as of March 2026.

Working hours and retention

Average monthly overtime

12.9 hrs

Median, same industry and size: 10.7 hrs

Paid leave taken

Not published

Median, same industry and size: 70.0%

Average tenure, men

Not published

Median, same industry and size: 14.0 yrs

Average tenure, women

Not published

Median, same industry and size: 10.2 yrs

Wholesale & retail in Hiroshima

Daiso Sangyo Co., Ltd.Women managers 16.2%
TS Alfresa Co., Ltd.Women managers 1.8%
Manso Co., Ltd.Women managers 10.5%
L'aube Co., Ltd.Women managers 11.1%
Andersen Co., Ltd.Women managers 15.2%
Every Co., Ltd.Women managers 5.0%
Autobacs West Japan Hanbai Co., Ltd.Women managers 5.9%
JR Service Net Hiroshima Co., Ltd.Women managers 9.5%

Every wholesale & retail employer in Hiroshima →

Questions this page answers

What share of managers are women at Ota Kokan Co., Ltd.?: 4.0%, as reported to MHLW's women's-advancement database (as of March 2026).
How much overtime do employees at Ota Kokan Co., Ltd. work, and how much paid leave do they take?: Average overtime is 12.9 hours a month (median for the same industry and size: 10.7 hours), as reported to MHLW's women's-advancement database.

Japan Human Capital Data 2026

Every figure for about 36,000 unlisted employers and 3,789 listed companies at once: percentile ranks within each industry and size band, women among supervisors, ten-year retention by gender, women's leave uptake, and every foreign-owned subsidiary flagged with its parent. In a members' dashboard and as Excel and CSV.

What Professional includes

Source: Ministry of Health, Labour and Welfare, women's-advancement database (open data), as of 2026-10-06; figures are self-reported by each employer and checked for plausibility by The Hardest Market. 女性の活躍推進企業データベースオープンデータ（2026年10月6日時点）を加工して作成.