Medical Corporation Iwayakai
Japanese name: 医療法人岩屋会 · English rendering · Corporate number 8180305004365 · 日本語
Medical Corporation Iwayakai (医療法人岩屋会), a healthcare & welfare employer in Aichi with 101–300 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 1.1% of its managers are women, 100.0% of eligible fathers took childcare leave (as of December 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 December 2025.
Working hours and retention
Healthcare & welfare in Aichi
- Aichi-ken Kosei Agricultural Cooperative FederationWomen managers 35.9%
- Gold Age Co., Ltd.Women managers 47.1%
- Medical Corporation SeijukaiWomen managers 57.8%
- Medical Corporation KeimeikaiWomen managers 54.2%
- Medical Corporation JunseikaiWomen managers 57.9%
- Medical Corporation HomikaiWomen managers 36.8%
- Medical Corporation ToyotakaiWomen managers 40.3%
- Medical Corporation KaikokaiWomen managers 50.0%
Every healthcare & welfare employer in Aichi →
Questions this page answers
- What share of managers are women at Medical Corporation Iwayakai?
- 1.1%, as reported to MHLW's women's-advancement database (as of December 2025).
- How many fathers take childcare leave at Medical Corporation Iwayakai?
- 100.0% of eligible men took childcare leave.
- How long do employees stay at Medical Corporation Iwayakai?
- Average tenure is 16.6 years for men and 9.7 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 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.