Koken Ltd., based in Tokyo, specializes in the development and manufacturing of high-quality medical devices and equipment. The company focuses on innovative solutions in the healthcare sector, particularly in areas such as anesthesia and respiratory care. With a commitment to advancing medical technology, Koken Ltd. leverages its expertise to enhance patient outcomes and support healthcare professionals. Its products are recognized for their reliability and precision, catering to both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

26 Patents

#1,164 in Tokyo

#2,507 in Japan

#24,806 in the World

Tokyo, Japan

Koken Ltd.

Forward Citations = 98

30 inventors:

Taketo Suzuki (7 out of 7 patents)

Kozo Nitta (7 out of 7 patents)

Takahiro Sato (6 out of 79 patents)

4. Tomoyuki Kakinuma (6 out of 6 patents)

5. Kazushi Kimura (5 out of 10 patents)

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

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]

4 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]

13 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]