Roki Co., Ltd. is a prominent Japanese company based in Hamamatsu, specializing in the development and manufacturing of filtration and separation technologies. The organization focuses on providing innovative solutions for various industries, including automotive, medical, and industrial applications. Roki is dedicated to enhancing product performance and sustainability through advanced engineering and research, positioning itself as a key player in the global market for filtration systems and related technologies.

Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

13 Patents

#14 in Hamamatsu

#3,749 in Japan

#45,039 in the World

Hamamatsu, Japan

Roki Co., Ltd.

Forward Citations = 17

21 inventors:

Satoshi Shirayanagi (3 out of 3 patents)

Taisuke Sato (2 out of 2 patents)

Masaya Ogura (2 out of 2 patents)

4. Yosuke Hio (2 out of 2 patents)

5. Takayuki Ichikawa (2 out of 2 patents)

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

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]