Koken Company, Limited, based in Tokyo, specializes in the development and manufacturing of advanced medical materials. The company focuses on innovative solutions such as collagen sponges, vascular prostheses, and sustained-release formulations, contributing significantly to the medical field. Koken's expertise extends to gene preparations, medical training models, and cell culture carriers, as well as antithrombogenic materials and bioprosthetic valves, positioning it as a key player in enhancing healthcare technologies.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

54 Patents

#763 in Tokyo

#1,628 in Japan

#13,109 in the World

Tokyo, Japan

Koken Company, Limited

Forward Citations = 1,973

92 inventors:

Teruo Miyata (25 out of 37 patents)

Masayasu Furuse (10 out of 10 patents)

Yasuharu Noishiki (8 out of 9 patents)

4. Takahiro Ochiya (5 out of 46 patents)

5. Taichiro Akiyama (5 out of 13 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Koken Company, Limited. Retrieved from https://idiyas.com/company/koken-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]

1 patent (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]

6 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]