Growing community of inventors

Ichikawa, Japan

Fumihito Katou

Average Co-Inventor Count = 5.00

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 = 25

Fumihito Katou ↔ Kazuhiko Hiraoka (1 patent)Fumihito Katou ↔ Yoshiaki Amano (1 patent)Fumihito Katou ↔ Kenta Kumagai (1 patent)Fumihito Katou ↔ Kazuhiko Nishiyama (1 patent)Fumihito Katou ↔ Takao Itoh (1 patent)Fumihito Katou ↔ Kouichi Kasama (1 patent)Fumihito Katou ↔ Sadao Tani (1 patent)Fumihito Katou ↔ Tooru Kiyota (1 patent)Fumihito KatouFumihito Katou (2 patents)Kazuhiko HiraokaKazuhiko Hiraoka (39 patents)Yoshiaki AmanoYoshiaki Amano (27 patents)Kenta KumagaiKenta Kumagai (20 patents)Kazuhiko NishiyamaKazuhiko Nishiyama (18 patents)Takao ItohTakao Itoh (6 patents)Kouichi KasamaKouichi Kasama (3 patents)Sadao TaniSadao Tani (2 patents)Tooru KiyotaTooru Kiyota (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,526 patents)


2 patents:

1. D317600 - Television receiver

2. D289947 - Audio disc player

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as of
1/18/2026
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