Maruho Co., Ltd. is a prominent Japanese pharmaceutical company headquartered in Osaka, specializing in the research, development, and manufacturing of innovative medical products. The company focuses on dermatology, with a strong emphasis on developing treatments for skin diseases and conditions. Maruho is committed to advancing healthcare through its dedication to scientific research and collaboration, aiming to improve the quality of life for patients both in Japan and globally.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

14 Patents

#387 in Osaka

#3,584 in Japan

#42,290 in the World

Osaka, Japan

Maruho Co., Ltd.

Forward Citations = 229

31 inventors:

Hitoshi Mizutani (2 out of 6 patents)

Tomoki Sakaguchi (2 out of 2 patents)

Yasuhiro Yasutomi (2 out of 2 patents)

4. Setsuro Fujii (2 out of 69 patents)

5. Sakumi Kanamoto (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Maruho Co., Ltd.. Retrieved from https://idiyas.com/company/maruho-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

2 patents (CIPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

9 patents (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]