Growing community of inventors

Aichi, Japan

Yoshiyuki Seki

Average Co-Inventor Count = 1.87

ph-index = 5

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 76

Yoshiyuki SekiToshiharu Katagiri (5 patents)Yoshiyuki SekiTakumi Tamezane (2 patents)Yoshiyuki SekiEtsuo Shimizu (2 patents)Yoshiyuki SekiShoichi Harada (1 patent)Yoshiyuki SekiNoriyuki Suzuki (1 patent)Yoshiyuki SekiYuusaku Nishimura (1 patent)Yoshiyuki SekiJun Yamaguchi (1 patent)Yoshiyuki SekiYoshinobu Yokoyama (1 patent)Yoshiyuki SekiKenji Suzuki (1 patent)Yoshiyuki SekiTamotsu Tsuchida (1 patent)Yoshiyuki SekiTeruhisa Matsushita (1 patent)Yoshiyuki SekiMasakazu Fukuta (1 patent)Yoshiyuki SekiToshiki Nogami (1 patent)Yoshiyuki SekiTatsuya Michihiro (1 patent)Yoshiyuki SekiYoshiyuki Seki (12 patents)Toshiharu KatagiriToshiharu Katagiri (51 patents)Takumi TamezaneTakumi Tamezane (20 patents)Etsuo ShimizuEtsuo Shimizu (13 patents)Shoichi HaradaShoichi Harada (18 patents)Noriyuki SuzukiNoriyuki Suzuki (18 patents)Yuusaku NishimuraYuusaku Nishimura (13 patents)Jun YamaguchiJun Yamaguchi (13 patents)Yoshinobu YokoyamaYoshinobu Yokoyama (9 patents)Kenji SuzukiKenji Suzuki (9 patents)Tamotsu TsuchidaTamotsu Tsuchida (4 patents)Teruhisa MatsushitaTeruhisa Matsushita (4 patents)Masakazu FukutaMasakazu Fukuta (3 patents)Toshiki NogamiToshiki Nogami (1 patent)Tatsuya MichihiroTatsuya Michihiro (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Tokai Rika Denki Seisakusho (12 from 2,002 patents)


12 patents:

1. 8359943 - Gearshift device

2. 8359889 - Vehicle door handle device

3. 8330571 - Vehicle electronic key system

4. 8193906 - Mechanical key code verification system

5. 8156776 - Card type mechanical key

6. 8146393 - Vehicle door handle device

7. 8042367 - Tumbler-type key verification system

8. 8011214 - Valet key storage device

9. 6862908 - Key device and method for assembling the same

10. 6742818 - Box lock with safety device

11. 6393932 - Shift lever device

12. 5532908 - Lighting device for zigzag-operated shift lever

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12/8/2025
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