Metals & metal products·Niigata·101–300 employees

J Mate Copper Products Co., Ltd.

Japanese name: Jマテ.カッパープロダクツ株式会社 · English rendering · Corporate number 3110001020009 · 日本語

J Mate Copper Products Co., Ltd. (Jマテ.カッパープロダクツ株式会社), a metals & metal products employer in Niigata with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 9.4% of its managers are women, women's average pay is 70.9% of men's among regular employees, 100.0% of eligible fathers took childcare leave (as of December 2025).

Women's advancement and leave

Women in management
9.4%
Median, same industry and size: 0.0%
Women's pay as % of men's, all
65.0%
Median, same industry and size: 76.8%
Women's pay as % of men's, regular
70.9%
Median, same industry and size: 78.2%
Women's pay as % of men's, non-regular
61.8%
Median, same industry and size: 79.3%
Men taking childcare leave
100.0%
Employment category not stated, so not comparable with other employers.

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
9.4 hrs
Median, same industry and size: 13.0 hrs
Paid leave taken
79.1%
Median, same industry and size: 79.3%
Average tenure, men
14.2 yrs
Employment category not stated, so not comparable with other employers.
Average tenure, women
15.8 yrs
Employment category not stated, so not comparable with other employers.

Metals & metal products in Niigata

Every metals & metal products employer in Niigata →

Questions this page answers

What share of managers are women at J Mate Copper Products Co., Ltd.?
9.4%, as reported to MHLW's women's-advancement database (as of December 2025).
What is the gender pay gap at J Mate Copper Products Co., Ltd.?
Women's average pay as a percentage of men's: 65.0% across all employees, 70.9% among regular employees, 61.8% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at J Mate Copper Products Co., Ltd.?
100.0% of eligible men took childcare leave.
How much overtime do employees at J Mate Copper Products Co., Ltd. work, and how much paid leave do they take?
Average overtime is 9.4 hours a month (median for the same industry and size: 13.0 hours), and employees take 79.1% of their paid leave (median: 79.3%), as reported to MHLW's women's-advancement database.
How long do employees stay at J Mate Copper Products Co., Ltd.?
Average tenure is 14.2 years for men and 15.8 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.