What share of managers are women at Marushima Aqua System Co., Ltd.?

1.3%, as reported to MHLW's women's-advancement database (as of December 2025).

How much overtime do employees at Marushima Aqua System Co., Ltd. work, and how much paid leave do they take?

Average overtime is 10.7 hours a month (median for the same industry and size: 12.0 hours), as reported to MHLW's women's-advancement database.

← Other manufacturing in Osaka

Other manufacturing·Osaka·101–300 employees

Marushima Aqua System Co., Ltd.

Japanese name: 株式会社丸島アクアシステム · English rendering · Corporate number 9120001090020 · 日本語

Marushima Aqua System Co., Ltd. (株式会社丸島アクアシステム), a other manufacturing employer in Osaka with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 1.3% of its managers are women (as of December 2025).

Women's advancement and leave

Women in management

1.3%

Median, same industry and size: 4.0%

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

Not published

Median, same industry and size: 73.2%

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

Not published

Median, same industry and size: 77.0%

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

Not published

Median, same industry and size: 75.9%

Men taking childcare leave

Not published

Kurumin

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

10.7 hrs

Median, same industry and size: 12.0 hrs

Paid leave taken

Not published

Median, same industry and size: 77.0%

Average tenure, men

Not published

Average tenure, women

Not published

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 Marushima Aqua System Co., Ltd.?: 1.3%, as reported to MHLW's women's-advancement database (as of December 2025).
How much overtime do employees at Marushima Aqua System Co., Ltd. work, and how much paid leave do they take?: Average overtime is 10.7 hours a month (median for the same industry and size: 12.0 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.