% Expired Patents = 33.3

Forward Citations = 3

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10 inventors (with patents filed for the assignee):

Masayuki Fujikawa (1 out of 1 patent)

Kazuya Tono (1 out of 1 patent)

Syunsuke Rikitake (1 out of 1 patent)

4. Tatsuhiro Komito (1 out of 1 patent)

5. Hironobu Murakami (1 out of 9 patents)

6. Kenji Hayashi (1 out of 13 patents)

7. Satoshi Mizutani (1 out of 19 patents)

8. Toshihiko Muraki (1 out of 13 patents)

9. Hiroyuki Yamagishi (1 out of 1 patent)

10. Wataru Ishikawa (1 out of 3 patents)

3 patents: Sort by Forward Citations

#10 in Okazaki

#8,922 in Japan

Sekiso Corporation

Forward Citations = 3

10 inventors:

Masayuki Fujikawa (1 out of 1 patent)

Kazuya Tono (1 out of 1 patent)

Syunsuke Rikitake (1 out of 1 patent)

4. Tatsuhiro Komito (1 out of 1 patent)

5. Hironobu Murakami (1 out of 9 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sekiso Corporation. Retrieved from https://idiyas.com/company/sekiso

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]