What share of managers are women at Nishikawa Big Ocean Co., Ltd.?

7.1%, as reported to MHLW's women's-advancement database (as of March 2026).

What is the gender pay gap at Nishikawa Big Ocean Co., Ltd.?

Women's average pay as a percentage of men's: 70.1% across all employees, 81.2% among regular employees, 110.0% among non-regular employees. This compares average pay, not pay for the same job.

How long do employees stay at Nishikawa Big Ocean Co., Ltd.?

Average tenure is 13.9 years for men and 10.1 years for women.

← Plastics & rubber in Hiroshima

Plastics & rubber·Hiroshima·101–300 employees

Nishikawa Big Ocean Co., Ltd.

Japanese name: 株式会社西川ビッグオーシャン · English rendering · Corporate number 3240001001128 · 日本語

Nishikawa Big Ocean Co., Ltd. (株式会社西川ビッグオーシャン), a plastics & rubber employer in Hiroshima with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 7.1% of its managers are women, women's average pay is 81.2% of men's among regular employees (as of March 2026).

Women's advancement and leave

Women in management

7.1%

Median, same industry and size: 3.8%

Women among new hires

87.0%

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

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

70.1%

Median, same industry and size: 70.6%

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

81.2%

Median, same industry and size: 76.9%

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

110.0%

Median, same industry and size: 80.2%

Men taking childcare leave

Not published

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

Not published

Median, same industry and size: 10.4 hrs

Paid leave taken

Not published

Median, same industry and size: 81.9%

Average tenure, men

13.9 yrs

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

Average tenure, women

10.1 yrs

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

Plastics & rubber in Hiroshima

Hiroshima Kasei Co., Ltd.Women managers 2.0%
Hayakawa Gomu Co., Ltd.Women managers 2.2%
Hiroshima Itami Denki Co., Ltd.Women managers 0.0%

Every plastics & rubber employer in Hiroshima →

Questions this page answers

What share of managers are women at Nishikawa Big Ocean Co., Ltd.?: 7.1%, as reported to MHLW's women's-advancement database (as of March 2026).
What is the gender pay gap at Nishikawa Big Ocean Co., Ltd.?: Women's average pay as a percentage of men's: 70.1% across all employees, 81.2% among regular employees, 110.0% among non-regular employees. This compares average pay, not pay for the same job.
How long do employees stay at Nishikawa Big Ocean Co., Ltd.?: Average tenure is 13.9 years for men and 10.1 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.