Growing community of inventors

Tokyo, Japan

Eiko Watanabe

Average Co-Inventor Count = 5.00

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 = 6

Eiko WatanabeKatsuhiko Oshimi (1 patent)Eiko WatanabeKenichi Kuboki (1 patent)Eiko WatanabeYoshitaka Kajiwara (1 patent)Eiko WatanabeYoshio Shimamura (1 patent)Eiko WatanabeEiko Watanabe (1 patent)Katsuhiko OshimiKatsuhiko Oshimi (8 patents)Kenichi KubokiKenichi Kuboki (6 patents)Yoshitaka KajiwaraYoshitaka Kajiwara (5 patents)Yoshio ShimamuraYoshio Shimamura (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nippon Kayaku Kabushiki Kaisha (1 from 775 patents)


1 patent:

1. 6420464 - Polyhydric phenol compounds, epoxy resins, epoxy resin compositions and cured products thereof

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idiyas.com
as of
12/30/2025
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