Growing community of inventors

Kanagawa-ken, Japan

Keiichi Ooyama

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 = 4

Keiichi Ooyama ↔ Kazuhito Uchida (1 patent)Keiichi Ooyama ↔ Jin Fujino (1 patent)Keiichi Ooyama ↔ Yasuhiro Okubo (1 patent)Keiichi OoyamaKeiichi Ooyama (1 patent)Kazuhito UchidaKazuhito Uchida (5 patents)Jin FujinoJin Fujino (2 patents)Yasuhiro OkuboYasuhiro Okubo (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Nisshin Oillio Group, Ltd. (1 from 85 patents)


1 patent:

1. 8501823 - Oil-in-water emulsion cosmetic composition and method for producing the same

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as of
12/17/2025
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