Growing community of inventors

Saitama, Japan

Seiji Yamaguchi

Average Co-Inventor Count = 2.59

ph-index = 8

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 = 167

Seiji YamaguchiMasamoto Ito (10 patents)Seiji YamaguchiYoshihiro Takanashi (3 patents)Seiji YamaguchiKenji Nakamura (2 patents)Seiji YamaguchiMasaru Nakayama (2 patents)Seiji YamaguchiKenichi Misaki (2 patents)Seiji YamaguchiKenta Nakamura (2 patents)Seiji YamaguchiTakashi Yamaguchi (1 patent)Seiji YamaguchiShinji Ito (1 patent)Seiji YamaguchiYoshio Suzuki (1 patent)Seiji YamaguchiMasato Nagata (1 patent)Seiji YamaguchiTerunari Saiki (1 patent)Seiji YamaguchiMitsuyoshi Kohama (1 patent)Seiji YamaguchiTakahiro Kokubu (1 patent)Seiji YamaguchiMitsuru Yamamoto (1 patent)Seiji YamaguchiHiroshi Yoshida (1 patent)Seiji YamaguchiToru Miyagawa (1 patent)Seiji YamaguchiToshinori Nakano (1 patent)Seiji YamaguchiToshihiko Suda (1 patent)Seiji YamaguchiHideo Ogura (1 patent)Seiji YamaguchiKyotaro Kajitori (1 patent)Seiji YamaguchiTroy Sumitomo (1 patent)Seiji YamaguchiShinji Kashiwagura (1 patent)Seiji YamaguchiNobuyuki Kyogoku (1 patent)Seiji YamaguchiYoshiyuki Ito (1 patent)Seiji YamaguchiMasaru Nakayama (1 patent)Seiji YamaguchiShuichi Sofue (1 patent)Seiji YamaguchiSeiji Yamaguchi (22 patents)Masamoto ItoMasamoto Ito (46 patents)Yoshihiro TakanashiYoshihiro Takanashi (9 patents)Kenji NakamuraKenji Nakamura (35 patents)Masaru NakayamaMasaru Nakayama (19 patents)Kenichi MisakiKenichi Misaki (16 patents)Kenta NakamuraKenta Nakamura (9 patents)Takashi YamaguchiTakashi Yamaguchi (55 patents)Shinji ItoShinji Ito (29 patents)Yoshio SuzukiYoshio Suzuki (17 patents)Masato NagataMasato Nagata (17 patents)Terunari SaikiTerunari Saiki (15 patents)Mitsuyoshi KohamaMitsuyoshi Kohama (14 patents)Takahiro KokubuTakahiro Kokubu (11 patents)Mitsuru YamamotoMitsuru Yamamoto (11 patents)Hiroshi YoshidaHiroshi Yoshida (10 patents)Toru MiyagawaToru Miyagawa (7 patents)Toshinori NakanoToshinori Nakano (5 patents)Toshihiko SudaToshihiko Suda (5 patents)Hideo OguraHideo Ogura (4 patents)Kyotaro KajitoriKyotaro Kajitori (3 patents)Troy SumitomoTroy Sumitomo (3 patents)Shinji KashiwaguraShinji Kashiwagura (3 patents)Nobuyuki KyogokuNobuyuki Kyogoku (3 patents)Yoshiyuki ItoYoshiyuki Ito (3 patents)Masaru NakayamaMasaru Nakayama (8 patents)Shuichi SofueShuichi Sofue (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Giken Kogyo Kabushiki Kaisha (15 from 10,092 patents)

2. Honda Motor Co., Ltd. (5 from 21,831 patents)

3. Jidosha Kiki Co., Ltd. (2 from 376 patents)

4. Midori Hokuyo Co., Ltd. (1 from 3 patents)


22 patents:

1. 8481169 - Leather

2. 7665385 - Braking force input system

3. 7469947 - Instrument panel of motorcycle

4. 7341364 - Tail lamp structure for vehicles

5. 7044490 - Structure of front fork

6. 6938714 - Braking force input system

7. D508138 - Head light for a motorcycle

8. D502432 - Air cleaner case cover for motorcycle

9. 6814477 - License light

10. 6802632 - Vehicular light-emitting device

11. 6719327 - Meter cover structure

12. 6688175 - Speedometer mounting structure in motorcycle

13. D476933 - Rear fender for two-wheeled motor vehicles

14. D470799 - Motorcycle

15. D463871 - Tail light for two-wheeled motor vehicles

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12/6/2025
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