What share of managers are women at Koto Biseibutsu Kenkyusho Co., Ltd.?

22.1%, as reported to MHLW's women's-advancement database (as of July 2026).

What is the gender pay gap at Koto Biseibutsu Kenkyusho Co., Ltd.?

Women's average pay as a percentage of men's: 71.4% across all employees, 86.0% among regular employees, 67.2% among non-regular employees. This compares average pay, not pay for the same job.

How much overtime do employees at Koto Biseibutsu Kenkyusho Co., Ltd. work, and how much paid leave do they take?

Average overtime is 14.0 hours a month (median for the same industry and size: 12.7 hours), as reported to MHLW's women's-advancement database.

How long do employees stay at Koto Biseibutsu Kenkyusho Co., Ltd.?

Average tenure is 13.0 years for men and 10.0 years for women.

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Other services·Tokyo·1001–5000 employees

Koto Biseibutsu Kenkyusho Co., Ltd.

Japanese name: 株式会社江東微生物研究所 · English rendering · Corporate number 1011701002852 · 日本語

Koto Biseibutsu Kenkyusho Co., Ltd. (株式会社江東微生物研究所), a other services employer in Tokyo with 1001–5000 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 22.1% of its managers are women, women's average pay is 86.0% of men's among regular employees (as of July 2026).

Women's advancement and leave

Women in management

22.1%

Median, same industry and size: 11.4%

Women among officers

27.3%

Median, same industry and size: 0.2%

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

71.4%

Median, same industry and size: 73.2%

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

86.0%

Median, same industry and size: 78.9%

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

67.2%

Median, same industry and size: 79.1%

Men taking childcare leave

Not published

Eruboshi (level 3)

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

Working hours and retention

Average monthly overtime

14.0 hrs

Median, same industry and size: 12.7 hrs

Paid leave taken

Not published

Median, same industry and size: 75.1%

Average tenure, men

13.0 yrs

Employment category not stated, so not comparable with other employers.

Average tenure, women

10.0 yrs

Employment category not stated, so not comparable with other employers.

Other services in Tokyo

Ernst & Young Shinnihon LLCWomen managers 19.5%
IQVIA in JapanWomen managers 41.5%
NX Cash Logistics Co., Ltd.Women managers 2.5%
SG Fielder Co., Ltd.Women managers 10.6%
UT Aim Co., Ltd.Women managers 11.5%
UT Agent Co., Ltd.Women managers 11.9%
Aing Co., Ltd.5001+ employees
Adecco Co., Ltd.Women managers 30.6%

Every other services employer in Tokyo →

Questions this page answers

What share of managers are women at Koto Biseibutsu Kenkyusho Co., Ltd.?: 22.1%, as reported to MHLW's women's-advancement database (as of July 2026).
What is the gender pay gap at Koto Biseibutsu Kenkyusho Co., Ltd.?: Women's average pay as a percentage of men's: 71.4% across all employees, 86.0% among regular employees, 67.2% among non-regular employees. This compares average pay, not pay for the same job.
How much overtime do employees at Koto Biseibutsu Kenkyusho Co., Ltd. work, and how much paid leave do they take?: Average overtime is 14.0 hours a month (median for the same industry and size: 12.7 hours), as reported to MHLW's women's-advancement database.
How long do employees stay at Koto Biseibutsu Kenkyusho Co., Ltd.?: Average tenure is 13.0 years for men and 10.0 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.