Tsukada Riken Kogyo Co., Ltd.
Japanese name: 塚田理研工業株式会社 · English rendering · Corporate number 9100001021299 · 日本語
Tsukada Riken Kogyo Co., Ltd. (塚田理研工業株式会社), a other manufacturing employer in Nagano with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 18.8% of its managers are women, women's average pay is 37.0% of men's among regular employees, 75.0% of eligible fathers took childcare leave (as of May 2025).
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 May 2025.
Working hours and retention
Other manufacturing in Nagano
- FICT LimitedWomen managers 1.1%
- NIDEC INSTRUMENTS CORPORATIONWomen managers 1.7%
- Kashiyama Kogyo Co., Ltd.Women managers 2.3%
- Nihon Pisco Co., Ltd.501–1000 employees
- Ande Cook Co., Ltd.501–1000 employees
- Nagano Olympus Co., Ltd.501–1000 employees
- Fuji Electric Power Semiconductor Co., Ltd.Women managers 4.3%
- VAIO Co., Ltd.Women managers 5.6%
Every other manufacturing employer in Nagano →
Questions this page answers
- What share of managers are women at Tsukada Riken Kogyo Co., Ltd.?
- 18.8%, as reported to MHLW's women's-advancement database (as of May 2025).
- What is the gender pay gap at Tsukada Riken Kogyo Co., Ltd.?
- Women's average pay as a percentage of men's: 36.1% across all employees, 37.0% among regular employees, 55.2% among non-regular employees. This compares average pay, not pay for the same job.
- How many fathers take childcare leave at Tsukada Riken Kogyo Co., Ltd.?
- 75.0% of eligible men took childcare leave.
- How much overtime do employees at Tsukada Riken Kogyo Co., Ltd. work, and how much paid leave do they take?
- Average overtime is 20.0 hours a month (median for the same industry and size: 12.0 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 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.