Growing community of inventors

Tokyo, Japan

Shinji Sugiyama

Average Co-Inventor Count = 3.39

ph-index = 2

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 = 30

Shinji SugiyamaHiroaki Sekiyama (2 patents)Shinji SugiyamaMinako Fujishiro (2 patents)Shinji SugiyamaKeiko Katsukawa (2 patents)Shinji SugiyamaShinya Yamaguchi (1 patent)Shinji SugiyamaYukiko Nakamura (1 patent)Shinji SugiyamaKazuya Tsukada (1 patent)Shinji SugiyamaTadafumi Hashimoto (1 patent)Shinji SugiyamaKikuo Ishikawa (1 patent)Shinji SugiyamaYoshimi Kobayashi (1 patent)Shinji SugiyamaYoshihiro Kawabata (1 patent)Shinji SugiyamaYoshiharu Sato (1 patent)Shinji SugiyamaTakehiko Kuroiwa (1 patent)Shinji SugiyamaNaoyuki Arai (1 patent)Shinji SugiyamaShinji Sugiyama (5 patents)Hiroaki SekiyamaHiroaki Sekiyama (20 patents)Minako FujishiroMinako Fujishiro (3 patents)Keiko KatsukawaKeiko Katsukawa (2 patents)Shinya YamaguchiShinya Yamaguchi (11 patents)Yukiko NakamuraYukiko Nakamura (9 patents)Kazuya TsukadaKazuya Tsukada (9 patents)Tadafumi HashimotoTadafumi Hashimoto (8 patents)Kikuo IshikawaKikuo Ishikawa (6 patents)Yoshimi KobayashiYoshimi Kobayashi (4 patents)Yoshihiro KawabataYoshihiro Kawabata (2 patents)Yoshiharu SatoYoshiharu Sato (1 patent)Takehiko KuroiwaTakehiko Kuroiwa (1 patent)Naoyuki AraiNaoyuki Arai (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyota Jidosha Kabushiki Kaisha (3 from 36,713 patents)

2. Pioneer Electronic Corporation (1 from 2,861 patents)

3. Nippon Paper Industries Co., Ltd. (1 from 343 patents)


5 patents:

1. 11179318 - Cosmetic composition

2. 8649946 - In-vehicle apparatus and information processing center

3. 8510036 - Information providing device and information providing system

4. 8234059 - Navigation device

5. 5170159 - Sleep timer for audio/visual apparatus and method of sleep timer

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as of
1/6/2026
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