Growing community of inventors

Yatsushiro, Japan

Yasutaka Doi

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

Yasutaka DoiTakashi Maruyama (1 patent)Yasutaka DoiHiroshi Oka (1 patent)Yasutaka DoiYasutaka Doi (1 patent)Takashi MaruyamaTakashi Maruyama (30 patents)Hiroshi OkaHiroshi Oka (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (1 from 6,892 patents)

2. Kohjin Co., Ltd. (1 from 60 patents)


1 patent:

1. 5292950 - N,N-dialkylaminoalkyl (meth) acrylamide composition with improved

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12/6/2025
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