Growing community of inventors

Kyoto, Japan

Katsuji Oku

Average Co-Inventor Count = 4.00

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 = 1

Katsuji OkuToshio Tamura (2 patents)Katsuji OkuHirohisa Tanaka (2 patents)Katsuji OkuToru Kawada (1 patent)Katsuji OkuTakanori Tsuji (1 patent)Katsuji OkuKatsuji Oku (2 patents)Toshio TamuraToshio Tamura (9 patents)Hirohisa TanakaHirohisa Tanaka (6 patents)Toru KawadaToru Kawada (15 patents)Takanori TsujiTakanori Tsuji (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Dainippon Screen Mfg. Co., Ltd. (2 from 1,306 patents)


2 patents:

1. 7101035 - Image recording apparatus

2. 7073441 - Image recording apparatus

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as of
12/20/2025
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