What share of managers are women at NIPPON SANSO CORPORATION?

2.8%, as reported to MHLW's women's-advancement database (as of March 2026).

What is the gender pay gap at NIPPON SANSO CORPORATION?

Women's average pay as a percentage of men's: 66.2% across all employees, 65.7% among regular employees, 76.9% among non-regular employees. This compares average pay, not pay for the same job.

How many fathers take childcare leave at NIPPON SANSO CORPORATION?

81.5% of eligible men took childcare leave.

How much overtime do employees at NIPPON SANSO CORPORATION work, and how much paid leave do they take?

Average overtime is 15.5 hours a month (median for the same industry and size: 11.1 hours), and employees take 73.7% of their paid leave (median: 79.6%), as reported to MHLW's women's-advancement database.

How long do employees stay at NIPPON SANSO CORPORATION?

Average tenure is 19.6 years for men and 7.8 years for women.

← Chemicals in Tokyo

Chemicals·Tokyo·1001–5000 employees

NIPPON SANSO CORPORATION

Japanese name: 日本酸素株式会社 · Corporate number 2010701038856 · 日本語

NIPPON SANSO CORPORATION (日本酸素株式会社), a chemicals employer in Tokyo with 1001–5000 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 2.8% of its managers are women, women's average pay is 65.7% of men's among regular employees, 81.5% of eligible fathers took childcare leave (as of March 2026).

Women's advancement and leave

Women in management

2.8%

Median, same industry and size: 13.8%

Women among new hires

29.5%

For one employment category the company defines, so not comparable with other employers.

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

66.2%

Median, same industry and size: 75.7%

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

65.7%

Median, same industry and size: 76.8%

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

76.9%

Median, same industry and size: 63.3%

Men taking childcare leave

81.5%

For one employment category the company defines, so not comparable with other employers.

Eruboshi (level 2)

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

15.5 hrs

Median, same industry and size: 11.1 hrs

Paid leave taken

73.7%

Median, same industry and size: 79.6%

Average tenure, men

19.6 yrs

For one employment category the company defines, so not comparable with other employers.

Average tenure, women

7.8 yrs

For one employment category the company defines, so not comparable with other employers.

Chemicals in Tokyo

Mitsubishi Chemical CorporationWomen managers 6.6%
Otsuka Pharmaceutical Co., Ltd.Women managers 13.6%
Fujifilm Co., Ltd.Women managers 7.6%
JSR Co., Ltd.Women managers 5.9%
Merck in JapanWomen managers 28.3%
RM Tohcello Co., Ltd.Women managers 5.2%
GSK in JapanWomen managers 26.7%
Kose Cosmetics Hanbai Co., Ltd.1001–5000 employees

Every chemicals employer in Tokyo →

Questions this page answers

What share of managers are women at NIPPON SANSO CORPORATION?: 2.8%, as reported to MHLW's women's-advancement database (as of March 2026).
What is the gender pay gap at NIPPON SANSO CORPORATION?: Women's average pay as a percentage of men's: 66.2% across all employees, 65.7% among regular employees, 76.9% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at NIPPON SANSO CORPORATION?: 81.5% of eligible men took childcare leave.
How much overtime do employees at NIPPON SANSO CORPORATION work, and how much paid leave do they take?: Average overtime is 15.5 hours a month (median for the same industry and size: 11.1 hours), and employees take 73.7% of their paid leave (median: 79.6%), as reported to MHLW's women's-advancement database.
How long do employees stay at NIPPON SANSO CORPORATION?: Average tenure is 19.6 years for men and 7.8 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.