Sanyo Seiko Co., Ltd.
Japanese name: 山陽精工株式会社 · English rendering · Corporate number 4090001007924 · 日本語
Sanyo Seiko Co., Ltd. (山陽精工株式会社), a other manufacturing employer in Yamanashi with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 15.4% of its managers are women, women's average pay is 69.9% of men's among regular employees (as of July 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 July 2026.
Other manufacturing in Yamanashi
- Mirapro Co., Ltd.Women managers 4.7%
- Kikyoya Co., Ltd.Women managers 10.0%
- Sun Kimuraya Co., Ltd.Women managers 0.0%
- Chibori Confectionery Co., Ltd.Women managers 0.0%
- Riei Foods Co., Ltd.301–500 employees
- Mitsui Kinzoku Die Casting Co., Ltd.301–500 employees
- Showa Sangyo Co., Ltd.301–500 employees
- ACT Service Co., Ltd.Women managers 8.0%
Every other manufacturing employer in Yamanashi →
Questions this page answers
- What share of managers are women at Sanyo Seiko Co., Ltd.?
- 15.4%, as reported to MHLW's women's-advancement database (as of July 2026).
- What is the gender pay gap at Sanyo Seiko Co., Ltd.?
- Women's average pay as a percentage of men's: 69.0% across all employees, 69.9% among regular employees, 93.4% among non-regular employees. This compares average pay, not pay for the same job.
Japan Human Capital Data 2026
For this employer and about 36,000 others: overtime, paid leave taken, women among officers, supervisors and new hires, tenure and ten-year retention by gender, with medians and percentiles for its industry and size band, 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.