Chemicals·Tokyo·1001–5000 employees

Maruzen Petrochemical Co., Ltd.

Japanese name: 丸善石油化学株式会社 · English rendering · Corporate number 3010001057408 · 日本語

Maruzen Petrochemical Co., Ltd. (丸善石油化学株式会社), a chemicals employer in Tokyo with 1001–5000 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 4.4% of its managers are women, women's average pay is 70.1% of men's among regular employees, 80.6% of eligible fathers took childcare leave (as of April 2026).

Women's advancement and leave

Women in management
4.4%
Median, same industry and size: 13.8%
Women among new hires
22.5%
Median, same industry and size: 39.8%
Women's pay as % of men's, all
69.9%
Median, same industry and size: 75.7%
Women's pay as % of men's, regular
70.1%
Median, same industry and size: 76.8%
Women's pay as % of men's, non-regular
97.4%
Median, same industry and size: 63.3%
Men taking childcare leave
80.6%
Median, same industry and size: 79.0%

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

Working hours and retention

Average monthly overtime
18.0 hrs
Median, same industry and size: 11.1 hrs
Paid leave taken
Not published
Median, same industry and size: 79.6%
Average tenure, men
Not published
Median, same industry and size: 17.4 yrs
Average tenure, women
Not published
Median, same industry and size: 13.0 yrs

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Questions this page answers

What share of managers are women at Maruzen Petrochemical Co., Ltd.?
4.4%, as reported to MHLW's women's-advancement database (as of April 2026).
What is the gender pay gap at Maruzen Petrochemical Co., Ltd.?
Women's average pay as a percentage of men's: 69.9% across all employees, 70.1% among regular employees, 97.4% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at Maruzen Petrochemical Co., Ltd.?
80.6% of eligible men took childcare leave.
How much overtime do employees at Maruzen Petrochemical Co., Ltd. work, and how much paid leave do they take?
Average overtime is 18.0 hours a month (median for the same industry and size: 11.1 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.