EPO Patents = 1

Forward Citations = 0

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17 inventors (with patents filed for the assignee):

Koji Kamata (2 out of 5 patents)

Kiyoyuki Kawai (2 out of 2 patents)

Seiji Tamaki (1 out of 5 patents)

4. Koji Okuyama (1 out of 1 patent)

5. Takashi Oizumi (1 out of 1 patent)

6. Takashi Sato (1 out of 1 patent)

7. Yasutomo Tokairin (1 out of 1 patent)

8. Hideki Aizawa (1 out of 1 patent)

9. Nango Tetsuya (0 patent)

10. Amaike Shinji (0 patent)

11. Suzuki Wataru (0 patent)

12. Kawai Kiyoyuki (0 patent)

13. Tamaki Seiji (0 patent)

14. Yaguchi Hiroshi (0 patent)

15. Suzuki Takashi (0 patent)

3 patents: Sort by Forward Citations

#20 in Yamagata

#8,922 in Japan

Tpr Industry Co., Ltd.

Forward Citations = 0

17 inventors:

Koji Kamata (2 out of 5 patents)

Kiyoyuki Kawai (2 out of 2 patents)

Seiji Tamaki (1 out of 5 patents)

4. Koji Okuyama (1 out of 1 patent)

5. Takashi Oizumi (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tpr Industry Co., Ltd.. Retrieved from https://idiyas.com/company/tpr-industry

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 (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]