Growing community of inventors

Kyoto, Japan

Tetsuo Hamada

Average Co-Inventor Count = 6.00

ph-index = 1

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 = 5

Tetsuo Hamada ↔ Koichi Oka (1 patent)Tetsuo Hamada ↔ Kazunori Tsutsui (1 patent)Tetsuo Hamada ↔ Akira Kawaguchi (1 patent)Tetsuo Hamada ↔ Michio Tsujio (1 patent)Tetsuo Hamada ↔ Masayoshi Funato (1 patent)Tetsuo HamadaTetsuo Hamada (1 patent)Koichi OkaKoichi Oka (10 patents)Kazunori TsutsuiKazunori Tsutsui (8 patents)Akira KawaguchiAkira Kawaguchi (3 patents)Michio TsujioMichio Tsujio (1 patent)Masayoshi FunatoMasayoshi Funato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Otsuka Electronics Co., Ltd. (1 from 81 patents)


1 patent:

1. 6636308 - Apparatus for measuring characteristics of optical angle

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12/14/2025
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