EPO Patents = 7

Forward Citations = 17

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45 inventors (with patents filed for the assignee):

Mitsuaki Echigo (3 out of 39 patents)

Hisao Ohnishi (3 out of 38 patents)

Yuji Tsuda (3 out of 17 patents)

4. Kazuyuki Minami (1 out of 14 patents)

5. Kyohei Manabe (1 out of 11 patents)

6. Jun Tsubota (1 out of 3 patents)

7. Koichiro Ikeda (1 out of 9 patents)

8. Yukio Hiranaka (1 out of 3 patents)

9. Satoshi Mori (1 out of 7 patents)

10. Hajime Kinoshita (1 out of 12 patents)

11. Hiroshi Kawaguchi (1 out of 1 patent)

12. Takeshi Maeda (1 out of 2 patents)

13. Hitoshi Sakai (1 out of 1 patent)

14. Harukazu Yamaguchi (1 out of 1 patent)

15. Akio Ando (1 out of 1 patent)

8 patents: Sort by Forward Citations

#543 in Osaka

#5,049 in Japan

Osaka Gas Limited

Forward Citations = 17

45 inventors:

Mitsuaki Echigo (3 out of 39 patents)

Hisao Ohnishi (3 out of 38 patents)

Yuji Tsuda (3 out of 17 patents)

4. Kazuyuki Minami (1 out of 14 patents)

5. Kyohei Manabe (1 out of 11 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Osaka Gas Limited. Retrieved from https://idiyas.com/company/osaka-gas

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]

7 patents (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]