What share of managers are women at Sagara Plastic Kogyosho Co., Ltd.?

0.0%, as reported to MHLW's women's-advancement database (as of March 2026).

What is the gender pay gap at Sagara Plastic Kogyosho Co., Ltd.?

Women's average pay as a percentage of men's: 82.5% across all employees, 81.4% among regular employees, 98.2% among non-regular employees. This compares average pay, not pay for the same job.

How long do employees stay at Sagara Plastic Kogyosho Co., Ltd.?

Average tenure is 14.0 years for men and 15.9 years for women.

← Plastics & rubber in Shizuoka

Plastics & rubber·Shizuoka·101–300 employees

Sagara Plastic Kogyosho Co., Ltd.

Japanese name: 株式会社相良プラスチック工業所 · English rendering · Corporate number 5080401017531 · 日本語

Sagara Plastic Kogyosho Co., Ltd. (株式会社相良プラスチック工業所), a plastics & rubber employer in Shizuoka with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 0.0% of its managers are women, women's average pay is 81.4% of men's among regular employees (as of March 2026).

Women's advancement and leave

Women in management

0.0%

Median, same industry and size: 3.8%

Women among officers

0.0%

Median, same industry and size: 16.7%

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

82.5%

Median, same industry and size: 70.6%

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

81.4%

Median, same industry and size: 76.9%

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

98.2%

Median, same industry and size: 80.2%

Men taking childcare leave

Not published

Median, same industry and size: 75.0%

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

14.0 yrs

Median, same industry and size: 14.0 yrs

Average tenure, women

15.9 yrs

Median, same industry and size: 12.2 yrs

Plastics & rubber in Shizuoka

Nanbu Kasei Co., Ltd.501–1000 employees
Oigawa Yusei Co., Ltd.101–300 employees
Shizuko Sangyo Co., Ltd.Women managers 18.0%

Every plastics & rubber employer in Shizuoka →

Questions this page answers

What share of managers are women at Sagara Plastic Kogyosho Co., Ltd.?: 0.0%, as reported to MHLW's women's-advancement database (as of March 2026).
What is the gender pay gap at Sagara Plastic Kogyosho Co., Ltd.?: Women's average pay as a percentage of men's: 82.5% across all employees, 81.4% among regular employees, 98.2% among non-regular employees. This compares average pay, not pay for the same job.
How long do employees stay at Sagara Plastic Kogyosho Co., Ltd.?: Average tenure is 14.0 years for men and 15.9 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.