Growing community of inventors

Osaka-hu, Japan

Tsutomu Katsumata

Average Co-Inventor Count = 2.00

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 = 15

Tsutomu KatsumataTakayuki Kaneko (2 patents)Tsutomu KatsumataHirohumi Kohda (1 patent)Tsutomu KatsumataYukihiro Nishida (1 patent)Tsutomu KatsumataYasuyuki Uemurai (1 patent)Tsutomu KatsumataHirofumi Kohda (1 patent)Tsutomu KatsumataTsutomu Katsumata (6 patents)Takayuki KanekoTakayuki Kaneko (3 patents)Hirohumi KohdaHirohumi Kohda (1 patent)Yukihiro NishidaYukihiro Nishida (1 patent)Yasuyuki UemuraiYasuyuki Uemurai (1 patent)Hirofumi KohdaHirofumi Kohda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Simotec Gmbh (5 from 9 patents)

2. Other (1 from 832,718 patents)


6 patents:

1. 8302262 - Hinge device of plane display

2. 7963648 - Original cover closer

3. 7900320 - Opening/closing device for document pressing device

4. 7789364 - Opening device for display monitor of projector system

5. 7758006 - Swivel device for monitor

6. 7639481 - Hinge device of plane display

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as of
12/14/2025
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