Leading Progesterone Companies in Japan | Key Players 2026

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Code: MTA13119

Publication Date: Jul 2026

Leading Progesterone Companies in Japan

The following is a data-backed list of the leading Japan Progesterone companies, compiled through 6Wresearch's proprietary research and validated by in-house industry analysts. These companies represent the key players shaping competition in the Japan Progesterone Industry, including Fuji Pharma Co., Ltd., Mochida Pharmaceutical Co., Ltd., and other established names.

List of Progesterone companies in Japan:

1. Fuji Pharma Co., Ltd.

Company Name	Fuji Pharma Co., Ltd.
Established Year	1965
Headquarters	Tokyo, Japan
Official Website	Click Here

A pioneer in the women’s health segment, Fuji Pharma provides sophisticated hormone formulations that handle complex reproductive cycles and fertility management.

2. Mochida Pharmaceutical Co., Ltd.

Company Name	Mochida Pharmaceutical Co., Ltd.
Established Year	1913
Headquarters	Tokyo, Japan
Official Website	Click Here

A major force in the endocrinology space, Mochida focuses on specialized progesterone therapy and AI-driven distribution models for large-scale fertility clinics.

3. Bayer AG

Company Name	Bayer AG
Established Year	1863
Headquarters	Leverkusen, Germany
Official Website	Click Here

A historic innovator in women's health, Bayer is renowned for being among the first to offer advanced, long-acting hormonal solutions for therapeutic reproductive health.

4. Merck KGaA

Company Name	Merck KGaA
Established Year	1668
Headquarters	Darmstadt, Germany
Official Website	Click Here

A global leader in the premium segment, Merck provides an end-to-end fertility support suite, integrating advanced hormonal hardware with precise endocrine tracking.

5. ASKA Pharmaceutical Co., Ltd.

Company Name	ASKA Pharmaceutical Co., Ltd.
Established Year	1920
Headquarters	Tokyo, Japan
Official Website	Click Here

Caters to the modern reproductive workforce with a patient-centric platform that emphasizes high transparency in therapeutic processing and ease of use for clinical teams.

6. Pfizer Inc.

Company Name	Pfizer Inc.
Established Year	1849
Headquarters	New York, USA
Official Website	Click Here

A science-first platform that leverages real-time biometric data to provide high-precision hormone therapy and system processing for diverse gynecological industries.

7. Besins Healthcare

Company Name	Besins Healthcare
Established Year	1885
Headquarters	Monaco
Official Website	Click Here

Part of the global endocrine ecosystem, this brand focuses on providing bioidentical, highly customizable progesterone tools integrated with broad health applications.

8. EA Pharma Co., Ltd.

Company Name	EA Pharma Co., Ltd.
Established Year	2016
Headquarters	Tokyo, Japan
Official Website	Click Here

Leverages decades of global experience to provide technology-enabled hormone administration services tailored specifically for the Japanese reproductive clinical sector.