What is the gender pay gap at Sumita Kogaku Glass Co., Ltd.?

Women's average pay as a percentage of men's: 80.6% across all employees, 79.2% among regular employees, 93.9% among non-regular employees. This compares average pay, not pay for the same job.

How long do employees stay at Sumita Kogaku Glass Co., Ltd.?

Average tenure is 18.4 years for men and 16.2 years for women.

← Other manufacturing in Saitama

Other manufacturing·Saitama·301–500 employees

Sumita Kogaku Glass Co., Ltd.

Japanese name: 株式会社住田光学ガラス · English rendering · Corporate number 6030001004446 · 日本語

Sumita Kogaku Glass Co., Ltd. (株式会社住田光学ガラス), a other manufacturing employer in Saitama with 301–500 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that women's average pay is 79.2% of men's among regular employees (as of September 2025).

Women's advancement and leave

Women in management

Not published

Median, same industry and size: 4.2%

Women among new hires

16.6%

Median, same industry and size: 31.3%

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

80.6%

Median, same industry and size: 71.4%

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

79.2%

Median, same industry and size: 76.4%

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

93.9%

Median, same industry and size: 75.8%

Men taking childcare leave

Not published

Median, same industry and size: 66.7%

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

Working hours and retention

Average monthly overtime

Not published

Median, same industry and size: 13.6 hrs

Paid leave taken

Not published

Median, same industry and size: 74.8%

Average tenure, men

18.4 yrs

Median, same industry and size: 15.4 yrs

Average tenure, women

16.2 yrs

Median, same industry and size: 11.6 yrs

Other manufacturing in Saitama

Honda Giken Kenkyusho Co., Ltd.5001+ employees
Citizen Watch Manufacturing Co., Ltd.Women managers 6.6%
Sekisui Heim Kogyo Co., Ltd.Women managers 2.0%
Chifure Holdings Co., Ltd.Women managers 23.4%
Joias Foods Co., Ltd.Women managers 6.3%
Monteur Co., Ltd.1001–5000 employees
Toda Foods Co., Ltd.Women managers 9.7%
Delica Ace Co., Ltd.501–1000 employees

Every other manufacturing employer in Saitama →

Questions this page answers

What is the gender pay gap at Sumita Kogaku Glass Co., Ltd.?: Women's average pay as a percentage of men's: 80.6% across all employees, 79.2% among regular employees, 93.9% among non-regular employees. This compares average pay, not pay for the same job.
How long do employees stay at Sumita Kogaku Glass Co., Ltd.?: Average tenure is 18.4 years for men and 16.2 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.