What share of managers are women at Koyama Seisakusho Co., Ltd.?

0.0%, as reported to MHLW's women's-advancement database (as of March 2026).

What is the gender pay gap at Koyama Seisakusho Co., Ltd.?

Women's average pay as a percentage of men's: 85.1% across all employees, 70.5% among regular employees. This compares average pay, not pay for the same job.

← Transport equipment in Gifu

Transport equipment·Gifu·101–300 employees

Koyama Seisakusho Co., Ltd.

Japanese name: 株式会社甲山製作所 · English rendering · Corporate number 4200001017861 · 日本語

Koyama Seisakusho Co., Ltd. (株式会社甲山製作所), a transport equipment employer in Gifu with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 0.0% of its managers are women, women's average pay is 70.5% of men's among regular employees (as of March 2026).

Women's advancement and leave

Women in management

0.0%

Median, same industry and size: 0.0%

Women among new hires

40.0%

Median, same industry and size: 23.0%

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

85.1%

Median, same industry and size: 77.5%

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

70.5%

Median, same industry and size: 78.0%

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

Not published

Median, same industry and size: 76.6%

Men taking childcare leave

Not published

Median, same industry and size: 66.7%

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

Transport equipment in Gifu

Gifu Shatai Kogyo Co., Ltd.Women managers 1.7%
Taiheiyo Kogyo Co., Ltd.Women managers 3.2%
ASAHI FORGE Co., Ltd.Women managers 0.0%
Aisin Mizunami Co., Ltd.501–1000 employees
Tokai Rika NExT Co., Ltd.Women managers 5.6%
Mino Kogyo Co., Ltd.Women managers 2.6%
Kayaba Motorcycle Suspension Co., Ltd.Women managers 0.0%
Gifu Hi-Tech Co., Ltd.301–500 employees

Every transport equipment employer in Gifu →

Questions this page answers

What share of managers are women at Koyama Seisakusho Co., Ltd.?: 0.0%, as reported to MHLW's women's-advancement database (as of March 2026).
What is the gender pay gap at Koyama Seisakusho Co., Ltd.?: Women's average pay as a percentage of men's: 85.1% across all employees, 70.5% among regular employees. This compares average pay, not pay for the same job.

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.