What share of managers are women at Nippon Piston Ring Co., Ltd.?

2.3%, as reported to MHLW's women's-advancement database (as of March 2025).

What is the gender pay gap at Nippon Piston Ring Co., Ltd.?

Women's average pay as a percentage of men's: 66.7% across all employees, 77.1% among regular employees, 61.2% among non-regular employees. This compares average pay, not pay for the same job.

How many fathers take childcare leave at Nippon Piston Ring Co., Ltd.?

62.5% of eligible men took childcare leave.

How long do employees stay at Nippon Piston Ring Co., Ltd.?

Average tenure is 20.8 years for men and 17.6 years for women.

← Transport equipment in Saitama

Transport equipment·Saitama·501–1000 employees

Nippon Piston Ring Co., Ltd.

Japanese name: 日本ピストンリング株式会社 · English rendering · Corporate number 8030001006457 · 日本語

Nippon Piston Ring Co., Ltd. (日本ピストンリング株式会社), a transport equipment employer in Saitama with 501–1000 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 2.3% of its managers are women, women's average pay is 77.1% of men's among regular employees, 62.5% of eligible fathers took childcare leave (as of March 2025).

Women's advancement and leave

Women in management

2.3%

Median, same industry and size: 1.4%

Women among officers

0.0%

Median, same industry and size: 0.0%

Women among new hires

17.0%

Median, same industry and size: 23.9%

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

66.7%

Median, same industry and size: 72.7%

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

77.1%

Median, same industry and size: 75.1%

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

61.2%

Median, same industry and size: 71.9%

Men taking childcare leave

62.5%

Median, same industry and size: 71.6%

The pay figures compare women's average pay with men's, not pay for the same job. Data as of March 2025.

Working hours and retention

Average monthly overtime

Not published

Median, same industry and size: 18.1 hrs

Paid leave taken

Not published

Median, same industry and size: 76.0%

Average tenure, men

20.8 yrs

Median, same industry and size: 16.0 yrs

Average tenure, women

17.6 yrs

Median, same industry and size: 14.0 yrs

Transport equipment in Saitama

UD Trucks CorporationWomen managers 6.3%
Marelli Co., Ltd.Women managers 6.0%
Jeco Co., Ltd.Women managers 3.4%
MAHLE in JapanWomen managers 0.0%
Mother Sun Yachiyo Automotive Systems Co., Ltd.Women managers 0.0%
Sanwa Seiki Co., Ltd.501–1000 employees
Honda Kinzoku Gijutsu Co., Ltd.Women managers 1.7%
Saitama Kiki Co., Ltd.Women managers 4.5%

Every transport equipment employer in Saitama →

Questions this page answers

What share of managers are women at Nippon Piston Ring Co., Ltd.?: 2.3%, as reported to MHLW's women's-advancement database (as of March 2025).
What is the gender pay gap at Nippon Piston Ring Co., Ltd.?: Women's average pay as a percentage of men's: 66.7% across all employees, 77.1% among regular employees, 61.2% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at Nippon Piston Ring Co., Ltd.?: 62.5% of eligible men took childcare leave.
How long do employees stay at Nippon Piston Ring Co., Ltd.?: Average tenure is 20.8 years for men and 17.6 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.