% Expired Patents = 100.0

Forward Citations = 5

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6 inventors (with patents filed for the assignee):

Noboru Koshizuka (1 out of 19 patents)

Ken Sakamura (1 out of 43 patents)

Kensaku Mori (1 out of 59 patents)

4. Masayuki Terada (1 out of 23 patents)

5. Kazuhiko Ishii (1 out of 20 patents)

6. Sadayuki Hongo (1 out of 22 patents)

1 patent: Sort by Forward Citations

#6,102 in Tokyo

#15,759 in Japan

Ken Sakamura

Forward Citations = 5

6 inventors:

Noboru Koshizuka (1 out of 19 patents)

Ken Sakamura (1 out of 43 patents)

Kensaku Mori (1 out of 59 patents)

4. Masayuki Terada (1 out of 23 patents)

5. Kazuhiko Ishii (1 out of 20 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ken Sakamura. Retrieved from https://idiyas.com/company/ken-sakamura

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]