CIPO Patents = 1

Forward Citations = 100

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7 inventors (with patents filed for the assignee):

Kazuo Tsubouchi (3 out of 41 patents)

Toshiyuki Azuma (2 out of 4 patents)

Jun Hozumi (2 out of 4 patents)

4. Tomohiko Shibata (1 out of 67 patents)

5. Kazuma Soeta (1 out of 1 patent)

6. Hiroaki Sasaki (1 out of 1 patent)

7. Kazuyoshi Sugai (1 out of 3 patents)

8. Nobuo Mikoshiba (33 patents)

9. Kazuya Masu (0 patent)

10. Kazuo Tsubouchi (0 patent)

3 patents: Sort by Forward Citations

#21 in Sendai

#8,929 in Japan

Kazuo Tsubouchi

Forward Citations = 100

7 inventors:

Kazuo Tsubouchi (3 out of 41 patents)

Toshiyuki Azuma (2 out of 4 patents)

Jun Hozumi (2 out of 4 patents)

4. Tomohiko Shibata (1 out of 67 patents)

5. Kazuma Soeta (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Kazuo Tsubouchi. Retrieved from https://idiyas.com/company/kazuo-tsubouchi

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]