Growing community of inventors

Amagasaki, Japan

Yasushi Okumura

Average Co-Inventor Count = 3.00

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 = 11

Yasushi OkumuraTakahiro Ogawa (1 patent)Yasushi OkumuraNoriko Watanabe (1 patent)Yasushi OkumuraYasuko Umegaki (1 patent)Yasushi OkumuraKatsuichi Sudo (1 patent)Yasushi OkumuraYasushi Okumura (2 patents)Takahiro OgawaTakahiro Ogawa (20 patents)Noriko WatanabeNoriko Watanabe (9 patents)Yasuko UmegakiYasuko Umegaki (3 patents)Katsuichi SudoKatsuichi Sudo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Senju Pharmaceutical Co., Ltd. (2 from 228 patents)

2. Tanabe Seiyaku Company, Limited (1 from 324 patents)


2 patents:

1. 5830913 - Method for preventing or treating dry eye or disease caused therefrom

2. 5710148 - Corneal opacification inhibitory composition

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idiyas.com
as of
12/16/2025
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