Growing community of inventors

Kawasaki, Japan

Takanobu Hattori

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

Takanobu Hattori ↔ Yoshikazu Watanabe (2 patents)Takanobu Hattori ↔ Ken Hayashida (2 patents)Takanobu Hattori ↔ Yoshitomo Ishii (2 patents)Takanobu Hattori ↔ Yukinobu Arikawa (2 patents)Takanobu Hattori ↔ Kenichi Shinagawa (2 patents)Takanobu Hattori ↔ Yoshihazu Watanabe (0 patent)Takanobu Hattori ↔ Yukinobu c/o Ntt Docomo Inc Arikawa (0 patent)Takanobu Hattori ↔ Kenichi c/o Ntt Docomo Inc Shinagawa (0 patent)Takanobu HattoriTakanobu Hattori (2 patents)Yoshikazu WatanabeYoshikazu Watanabe (12 patents)Ken HayashidaKen Hayashida (11 patents)Yoshitomo IshiiYoshitomo Ishii (3 patents)Yukinobu ArikawaYukinobu Arikawa (2 patents)Kenichi ShinagawaKenichi Shinagawa (2 patents)Yoshihazu WatanabeYoshihazu Watanabe (0 patent)Yukinobu c/o Ntt Docomo Inc ArikawaYukinobu c/o Ntt Docomo Inc Arikawa (0 patent)Kenichi c/o Ntt Docomo Inc ShinagawaKenichi c/o Ntt Docomo Inc Shinagawa (0 patent)
..
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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1/8/2026
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