Growing community of inventors

Ashiya, Japan

Tsukusa Yamada

Average Co-Inventor Count = 3.00

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

Tsukusa YamadaMasahide Tanaka (1 patent)Tsukusa YamadaNobushige Itaya (1 patent)Tsukusa YamadaTsukusa Yamada (1 patent)Masahide TanakaMasahide Tanaka (154 patents)Nobushige ItayaNobushige Itaya (56 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,896 patents)


1 patent:

1. 7268257 - Process for producing tolterodine

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1/3/2026
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