Growing community of inventors

Tokyo, Japan

Kenichi Shinagawa

Average Co-Inventor Count = 6.00

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 = 68

Kenichi ShinagawaYoshikazu Watanabe (2 patents)Kenichi ShinagawaKen Hayashida (2 patents)Kenichi ShinagawaYoshitomo Ishii (2 patents)Kenichi ShinagawaTakanobu Hattori (2 patents)Kenichi ShinagawaYukinobu Arikawa (2 patents)Kenichi ShinagawaKenichi Shinagawa (2 patents)Yoshikazu WatanabeYoshikazu Watanabe (12 patents)Ken HayashidaKen Hayashida (11 patents)Yoshitomo IshiiYoshitomo Ishii (3 patents)Takanobu HattoriTakanobu Hattori (2 patents)Yukinobu ArikawaYukinobu Arikawa (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (2 from 39,245 patents)


2 patents:

1. 7561900 - Portable apparatus having simple and detailed menus

2. 7171243 - Portable terminal device

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as of
1/8/2026
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