What share of managers are women at Yamamoto Kogaku Co., Ltd.?

17.3%, as reported to MHLW's women's-advancement database (as of December 2025).

What is the gender pay gap at Yamamoto Kogaku Co., Ltd.?

Women's average pay as a percentage of men's: 63.9% across all employees, 41.7% among regular employees, 90.1% among non-regular employees. This compares average pay, not pay for the same job.

How many fathers take childcare leave at Yamamoto Kogaku Co., Ltd.?

83.3% of eligible men took childcare leave.

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

Average overtime is 6.8 hours a month (median for the same industry and size: 13.6 hours), and employees take 15.0% of their paid leave (median: 74.8%), as reported to MHLW's women's-advancement database.

How long do employees stay at Yamamoto Kogaku Co., Ltd.?

Average tenure is 15.0 years for men and 11.0 years for women.

← Other manufacturing in Osaka

Other manufacturing·Osaka·301–500 employees

Yamamoto Kogaku Co., Ltd.

Japanese name: 山本光学株式会社 · English rendering · Corporate number 9122001007961 · 日本語

Yamamoto Kogaku Co., Ltd. (山本光学株式会社), a other manufacturing employer in Osaka with 301–500 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 17.3% of its managers are women, women's average pay is 41.7% of men's among regular employees, 83.3% of eligible fathers took childcare leave (as of December 2025).

Women's advancement and leave

Women in management

17.3%

Median, same industry and size: 4.2%

Women among officers

0.0%

Median, same industry and size: 0.0%

Women among new hires

34.6%

Median, same industry and size: 31.3%

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

63.9%

Median, same industry and size: 71.4%

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

41.7%

Median, same industry and size: 76.4%

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

90.1%

Median, same industry and size: 75.8%

Men taking childcare leave

83.3%

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 December 2025.

Working hours and retention

Average monthly overtime

6.8 hrs

Median, same industry and size: 13.6 hrs

Paid leave taken

15.0%

Median, same industry and size: 74.8%

Average tenure, men

15.0 yrs

Median, same industry and size: 15.4 yrs

Average tenure, women

11.0 yrs

Median, same industry and size: 11.6 yrs

Other manufacturing in Osaka

Panasonic Electric Works Co., Ltd.Women managers 6.5%
DAIKEN Co., Ltd.Women managers 2.3%
Glico Manufacturing Japan Co., Ltd.Women managers 2.6%
KMEW Co.,Ltd.Women managers 2.9%
Panasonic Lighting Systems Co., Ltd.Women managers 1.8%
Panasonic Housing Solutions Co., Ltd.Women managers 9.0%
Pierce Co., Ltd.1001–5000 employees
Yanmar Holdings Co., Ltd.Women managers 4.1%

Every other manufacturing employer in Osaka →

Questions this page answers

What share of managers are women at Yamamoto Kogaku Co., Ltd.?: 17.3%, as reported to MHLW's women's-advancement database (as of December 2025).
What is the gender pay gap at Yamamoto Kogaku Co., Ltd.?: Women's average pay as a percentage of men's: 63.9% across all employees, 41.7% among regular employees, 90.1% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at Yamamoto Kogaku Co., Ltd.?: 83.3% of eligible men took childcare leave.
How much overtime do employees at Yamamoto Kogaku Co., Ltd. work, and how much paid leave do they take?: Average overtime is 6.8 hours a month (median for the same industry and size: 13.6 hours), and employees take 15.0% of their paid leave (median: 74.8%), as reported to MHLW's women's-advancement database.
How long do employees stay at Yamamoto Kogaku Co., Ltd.?: Average tenure is 15.0 years for men and 11.0 years for women.

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.