For the Inventor, By the Inventor

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Tokyu Corporation

USPTO Granted Patents = 1

Trademarks = 3

Forward Citations = 102

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5 inventors (with patents filed for the assignee):

Shinichi Takahashi (1 out of 35 patents)

Takeshi Kawahara (1 out of 4 patents)

Hisao Ishii, Deceased (1 out of 1 patent)

4. Kiyoshi Shinkawa (1 out of 2 patents)

5. Toshiyuki Manita (1 out of 1 patent)

1 patent: Sort by Forward Citations

1. 4791571 - Route bus service controlling system (1988-12-13),

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USPTO Data Jan 1 1976 - Jan 6 2026

1 Patents

#5,734 in Tokyo

#15,549 in Japan

Tokyu Corporation

Forward Citations = 102

5 inventors:

Shinichi Takahashi (1 out of 35 patents)

Takeshi Kawahara (1 out of 4 patents)

Hisao Ishii, Deceased (1 out of 1 patent)

4. Kiyoshi Shinkawa (1 out of 2 patents)

5. Toshiyuki Manita (1 out of 1 patent)

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