% Expired Patents = 66.7

EPO Patents = 2

Forward Citations = 0

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14 inventors (with patents filed for the assignee):

Masakazu Obayashi (2 out of 13 patents)

Hajime Kurita (2 out of 12 patents)

Fumitaka Yoshizumi (2 out of 4 patents)

4. Yasuhiro Kondoh (2 out of 8 patents)

5. Kazunori Yoshida (2 out of 19 patents)

6. Masakatsu Kuroishi (2 out of 6 patents)

7. Masakazu Hashimoto (2 out of 22 patents)

8. Takayuki Inoue (2 out of 2 patents)

9. Katsuji Abe (2 out of 2 patents)

10. Yasushi Suzuki (1 out of 3 patents)

11. Yoshio Kimoto (1 out of 12 patents)

12. Masahiro Hamanaka (1 out of 1 patent)

13. Jun Miyamoto (1 out of 1 patent)

14. Nobuto Imamura (1 out of 1 patent)

15. Takayuki Inoue (0 patent)

3 patents: Sort by Forward Citations

#209 in Aichi

#8,932 in Japan

Tokyu Co., Ltd.

Forward Citations = 0

14 inventors:

Masakazu Obayashi (2 out of 13 patents)

Hajime Kurita (2 out of 12 patents)

Fumitaka Yoshizumi (2 out of 4 patents)

4. Yasuhiro Kondoh (2 out of 8 patents)

5. Kazunori Yoshida (2 out of 19 patents)

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

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]