Growing community of inventors

Yokosuka, Japan

Tsuyoshi Hamaguchi

Average Co-Inventor Count = 2.67

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 = 14

Tsuyoshi HamaguchiTakashi Nakamura (1 patent)Tsuyoshi HamaguchiAkira Kumomura (1 patent)Tsuyoshi HamaguchiYasuo Okuma (1 patent)Tsuyoshi HamaguchiKen Onomoto (1 patent)Tsuyoshi HamaguchiTsuyoshi Hamaguchi (2 patents)Takashi NakamuraTakashi Nakamura (84 patents)Akira KumomuraAkira Kumomura (5 patents)Yasuo OkumaYasuo Okuma (4 patents)Ken OnomotoKen Onomoto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (2 from 42,494 patents)


2 patents:

1. 6477521 - Integrated information processing system capable of supplying specific information to person

2. 4734859 - Method and apparatus for handling transaction slips including illegible

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as of
12/19/2025
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