% Expired Patents = 66.7

Forward Citations = 17

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15 inventors (with patents filed for the assignee):

Noriaki Saito (2 out of 60 patents)

Kye Hyeon Ryu (1 out of 1 patent)

Kunihiro Takahashi (1 out of 24 patents)

4. Toru Akiyama (1 out of 2 patents)

5. Kazuo Takemura (1 out of 2 patents)

6. Hyeon Kyu Joo (1 out of 1 patent)

7. Minehiro Tonosaki (1 out of 1 patent)

8. Fumiyasu Ikarashi (1 out of 1 patent)

9. Hideo Kawaguchi (1 out of 1 patent)

10. Jeffrey Allen Ebert (1 out of 5 patents)

11. Michael Jude Meyer (1 out of 17 patents)

12. Hee June Park (1 out of 1 patent)

13. Hyun Myoung Shin (1 out of 1 patent)

14. Geert Paul Rosseel (1 out of 6 patents)

15. Ki Han Nam (1 out of 1 patent)

3 patents: Sort by Forward Citations

#3,543 in Tokyo

#8,922 in Japan

Sonic Corporation

Forward Citations = 17

15 inventors:

Noriaki Saito (2 out of 60 patents)

Kye Hyeon Ryu (1 out of 1 patent)

Kunihiro Takahashi (1 out of 24 patents)

4. Toru Akiyama (1 out of 2 patents)

5. Kazuo Takemura (1 out of 2 patents)

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

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]