Growing community of inventors

Yokohama, Japan

Ryosuke 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 = 0

Ryosuke DoiHirohito Shirakami (1 patent)Ryosuke DoiTakahiro Yamashita (1 patent)Ryosuke DoiRyosuke Doi (1 patent)Hirohito ShirakamiHirohito Shirakami (2 patents)Takahiro YamashitaTakahiro Yamashita (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shiseido Company, Limited (1 from 1,009 patents)


1 patent:

1. 11166888 - Water-in-oil emulsion cosmetic

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1/20/2026
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