Forward Citations = 19

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21 inventors (with patents filed for the assignee):

Toshihiko Kaneko (2 out of 67 patents)

Masatoshi Fujimoto (2 out of 19 patents)

Hideaki Fujisaki (2 out of 12 patents)

4. Norihiro Ueda (2 out of 32 patents)

5. Hisashi Shibata (2 out of 27 patents)

6. Manabu Murakami (2 out of 23 patents)

7. Makoto Okita (2 out of 24 patents)

8. Shigeru Souda (2 out of 43 patents)

9. Katsuya Tagami (2 out of 30 patents)

10. Tsuneo Wakabayashi (2 out of 15 patents)

11. Naoyuki Shimomura (2 out of 31 patents)

12. Shuhei Miyazawa (2 out of 40 patents)

13. Seiichiro Nomoto (2 out of 32 patents)

14. Kiyoshi Oketani (2 out of 14 patents)

15. Yasushi Nagai (1 out of 36 patents)

3 patents: Sort by Forward Citations

#3,547 in Tokyo

#8,929 in Japan

Esai Co., Ltd.

Forward Citations = 19

21 inventors:

Toshihiko Kaneko (2 out of 67 patents)

Masatoshi Fujimoto (2 out of 19 patents)

Hideaki Fujisaki (2 out of 12 patents)

4. Norihiro Ueda (2 out of 32 patents)

5. Hisashi Shibata (2 out of 27 patents)

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