What share of managers are women at Sumitomo Electric Opti-Frontier Co., Ltd.?

2.6%, as reported to MHLW's women's-advancement database (as of June 2026).

What is the gender pay gap at Sumitomo Electric Opti-Frontier Co., Ltd.?

Women's average pay as a percentage of men's: 70.6% across all employees, 80.2% among regular employees, 83.7% among non-regular employees. This compares average pay, not pay for the same job.

How many fathers take childcare leave at Sumitomo Electric Opti-Frontier Co., Ltd.?

100.0% of eligible men took childcare leave.

How much overtime do employees at Sumitomo Electric Opti-Frontier Co., Ltd. work, and how much paid leave do they take?

Average overtime is 15.5 hours a month (median for the same industry and size: 15.3 hours), as reported to MHLW's women's-advancement database.

← Metals & metal products in Kanagawa

Metals & metal products·Kanagawa·301–500 employees

Sumitomo Electric Opti-Frontier Co., Ltd.

Japanese name: 住友電工オプティフロンティア株式会社 · English rendering · Corporate number 8020001086459 · 日本語

Sumitomo Electric Opti-Frontier Co., Ltd. (住友電工オプティフロンティア株式会社), a metals & metal products employer in Kanagawa with 301–500 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 2.6% of its managers are women, women's average pay is 80.2% of men's among regular employees, 100.0% of eligible fathers took childcare leave (as of June 2026).

Women's advancement and leave

Women in management

2.6%

Median, same industry and size: 2.2%

Women among new hires

38.0%

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

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

70.6%

Median, same industry and size: 72.8%

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

80.2%

Median, same industry and size: 76.2%

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

83.7%

Median, same industry and size: 70.8%

Men taking childcare leave

100.0%

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

Kurumin

The pay figures compare women's average pay with men's, not pay for the same job. Data as of June 2026.

Working hours and retention

Average monthly overtime

15.5 hrs

Median, same industry and size: 15.3 hrs

Paid leave taken

Not published

Median, same industry and size: 74.5%

Average tenure, men

Not published

Average tenure, women

Not published

Metals & metal products in Kanagawa

Furukawa Electric Power Systems Co., Ltd.Women managers 5.7%
OCC Co., Ltd.Women managers 3.3%
Thinks CorporationWomen managers 0.0%
Fuji Densen Co., Ltd.Women managers 5.4%
Hatano Pipe Center Co., Ltd.Women managers 0.0%
Ikeuchi Seiko Co., Ltd.Women managers 0.0%

Every metals & metal products employer in Kanagawa →

Questions this page answers

What share of managers are women at Sumitomo Electric Opti-Frontier Co., Ltd.?: 2.6%, as reported to MHLW's women's-advancement database (as of June 2026).
What is the gender pay gap at Sumitomo Electric Opti-Frontier Co., Ltd.?: Women's average pay as a percentage of men's: 70.6% across all employees, 80.2% among regular employees, 83.7% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at Sumitomo Electric Opti-Frontier Co., Ltd.?: 100.0% of eligible men took childcare leave.
How much overtime do employees at Sumitomo Electric Opti-Frontier Co., Ltd. work, and how much paid leave do they take?: Average overtime is 15.5 hours a month (median for the same industry and size: 15.3 hours), as reported to MHLW's women's-advancement database.

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.