Growing community of inventors

Yokohama, Japan

Tatsuo Usui

Average Co-Inventor Count = 5.00

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 = 20

Tatsuo Usui ↔ Fusayoshi Sakurai (1 patent)Tatsuo Usui ↔ Haruo Ueno (1 patent)Tatsuo Usui ↔ Takao Suzuki (1 patent)Tatsuo Usui ↔ Ichiro Konishi (1 patent)Tatsuo UsuiTatsuo Usui (1 patent)Fusayoshi SakuraiFusayoshi Sakurai (6 patents)Haruo UenoHaruo Ueno (6 patents)Takao SuzukiTakao Suzuki (4 patents)Ichiro KonishiIchiro Konishi (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Zeon Company, Ltd. (1 from 598 patents)


1 patent:

1. 5679485 - Photosensitive composition, photosensitive rubber plate and process for

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12/24/2025
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