EPO Patents = 2

Forward Citations = 0

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25 inventors (with patents filed for the assignee):

Yasuhide Ishiguro (1 out of 35 patents)

Seigo Goto (1 out of 8 patents)

Takamasa Kawai (1 out of 22 patents)

4. Ryota Kobayashi (1 out of 5 patents)

5. Akira Okubo (1 out of 21 patents)

6. Koichi Shoda (1 out of 5 patents)

7. Seiji Ozaki (1 out of 6 patents)

8. Hideo Sato (1 out of 6 patents)

9. Takashi Koga (1 out of 4 patents)

10. Ryota Kubo (1 out of 3 patents)

11. Kota Toyosawa (1 out of 3 patents)

12. Sachiko Fujimoto (1 out of 3 patents)

13. Sato Hideo (1 patent)

14. Kobayashi Ryota (0 patent)

15. Kawai Takamasa (0 patent)

1 patent: Sort by Forward Citations

#6,094 in Tokyo

#15,745 in Japan

Toyo Drilube Co., Ltd.

Forward Citations = 0

25 inventors:

Yasuhide Ishiguro (1 out of 35 patents)

Seigo Goto (1 out of 8 patents)

Takamasa Kawai (1 out of 22 patents)

4. Ryota Kobayashi (1 out of 5 patents)

5. Akira Okubo (1 out of 21 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyo Drilube Co., Ltd.. Retrieved from https://idiyas.com/company/toyo-drilube

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]

2 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]