What share of managers are women at Otsuka Seiyaku Kojo Co., Ltd.?

9.0%, as reported to MHLW's women's-advancement database (as of December 2025).

What is the gender pay gap at Otsuka Seiyaku Kojo Co., Ltd.?

Women's average pay as a percentage of men's: 84.2% across all employees, 85.8% among regular employees, 67.3% among non-regular employees. This compares average pay, not pay for the same job.

How many fathers take childcare leave at Otsuka Seiyaku Kojo Co., Ltd.?

73.4% of eligible men took childcare leave.

How much overtime do employees at Otsuka Seiyaku Kojo Co., Ltd. work, and how much paid leave do they take?

Average overtime is 6.5 hours a month (median for the same industry and size: 11.1 hours), as reported to MHLW's women's-advancement database.

← Chemicals in Tokushima

Chemicals·Tokushima·1001–5000 employees

Otsuka Seiyaku Kojo Co., Ltd.

Japanese name: 株式会社大塚製薬工場 · English rendering · Corporate number 5480001005219 · 日本語

Otsuka Seiyaku Kojo Co., Ltd. (株式会社大塚製薬工場), a chemicals employer in Tokushima with 1001–5000 employees, reports in the Ministry of Health, Labour and Welfare's women's-advancement database that 9.0% of its managers are women, women's average pay is 85.8% of men's among regular employees, 73.4% of eligible fathers took childcare leave (as of December 2025).

Women's advancement and leave

Women in management

9.0%

Median, same industry and size: 13.8%

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

84.2%

Median, same industry and size: 75.7%

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

85.8%

Median, same industry and size: 76.8%

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

67.3%

Median, same industry and size: 63.3%

Men taking childcare leave

73.4%

Employment category not stated, so not comparable with other employers.

KuruminPlatinum Kurumin

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

Average monthly overtime

6.5 hrs

Median, same industry and size: 11.1 hrs

Paid leave taken

Not published

Median, same industry and size: 79.6%

Average tenure, men

Not published

Average tenure, women

Not published

Chemicals in Tokushima

Chouseido Pharmaceutical Co., Ltd.Women managers 22.2%

Every chemicals employer in Tokushima →

Questions this page answers

What share of managers are women at Otsuka Seiyaku Kojo Co., Ltd.?: 9.0%, as reported to MHLW's women's-advancement database (as of December 2025).
What is the gender pay gap at Otsuka Seiyaku Kojo Co., Ltd.?: Women's average pay as a percentage of men's: 84.2% across all employees, 85.8% among regular employees, 67.3% among non-regular employees. This compares average pay, not pay for the same job.
How many fathers take childcare leave at Otsuka Seiyaku Kojo Co., Ltd.?: 73.4% of eligible men took childcare leave.
How much overtime do employees at Otsuka Seiyaku Kojo Co., Ltd. work, and how much paid leave do they take?: Average overtime is 6.5 hours a month (median for the same industry and size: 11.1 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.