Growing community of inventors

Kanagawa, Japan

Koichi Sugahara

Average Co-Inventor Count = 2.90

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 = 20

Koichi SugaharaTsutomu Kimura (2 patents)Koichi SugaharaJun Nakagawa (1 patent)Koichi SugaharaTeruo Takanashi (1 patent)Koichi SugaharaRyoichi Hayashi (1 patent)Koichi SugaharaJunji Sugano (1 patent)Koichi SugaharaHirokazu Tsuji (1 patent)Koichi SugaharaKoichi Sugahara (3 patents)Tsutomu KimuraTsutomu Kimura (86 patents)Jun NakagawaJun Nakagawa (34 patents)Teruo TakanashiTeruo Takanashi (9 patents)Ryoichi HayashiRyoichi Hayashi (7 patents)Junji SuganoJunji Sugano (6 patents)Hirokazu TsujiHirokazu Tsuji (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fuji Photo Film Company, Limited (3 from 16,458 patents)


3 patents:

1. 6313923 - Image processing apparatus

2. 5822040 - Image testing method

3. 5745218 - Photographic processing system

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as of
12/18/2025
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