Riken Seiko Co., Ltd.
Japanese name: 理研製鋼株式会社 · English rendering · Corporate number 4010001060336 · 日本語
Riken Seiko Co., Ltd. (理研製鋼株式会社), a other manufacturing employer in Tokyo with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 71.0% of eligible fathers took childcare leave (as of March 2026).
Women's advancement and leave
The pay figures compare women's average pay with men's, not pay for the same job. Data as of March 2026.
Other manufacturing in Tokyo
- Meiji Seika Pharma Co., Ltd.Women managers 12.2%
- Shiseido GroupWomen managers 41.1%
- Fujifilm Business Innovation Co., Ltd.Women managers 9.6%
- Yazaki GroupWomen managers 5.3%
- ANA Base Maintenance Technics Co., Ltd.Women managers 2.4%
- GE HealthCare Technologies in JapanWomen managers 20.0%
- TOPPAN Graphic Communications Co., Ltd.Women managers 3.1%
- TOPPAN Package Products Co., Ltd.Women managers 0.0%
Every other manufacturing employer in Tokyo →
Questions this page answers
- How many fathers take childcare leave at Riken Seiko Co., Ltd.?
- 71.0% of eligible men took childcare leave.
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 includesSource: 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.