Growing community of inventors

Ibaraki, Japan

Kosei Yamada

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 = 23

Kosei Yamada ↔ Haruo Watanabe (1 patent)Kosei Yamada ↔ Mutsuhito Watanabe (1 patent)Kosei Yamada ↔ Takao Arima (1 patent)Kosei YamadaKosei Yamada (1 patent)Haruo WatanabeHaruo Watanabe (3 patents)Mutsuhito WatanabeMutsuhito Watanabe (2 patents)Takao ArimaTakao Arima (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Showa Sangyo Co., Ltd. (1 from 26 patents)


1 patent:

1. 4280962 - Methods for refining oils and fats

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as of
12/15/2025
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