Growing community of inventors

Takaishi, Japan

Yoshihiro Umeda

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 = 7

Yoshihiro Umeda ↔ Seiichi Masuko (1 patent)Yoshihiro Umeda ↔ Ichisaburo Nakamura (1 patent)Yoshihiro Umeda ↔ Akihiko Takahashi (1 patent)Yoshihiro Umeda ↔ Katsuhito Kohketsu (1 patent)Yoshihiro UmedaYoshihiro Umeda (1 patent)Seiichi MasukoSeiichi Masuko (9 patents)Ichisaburo NakamuraIchisaburo Nakamura (8 patents)Akihiko TakahashiAkihiko Takahashi (4 patents)Katsuhito KohketsuKatsuhito Kohketsu (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsui Chemicals, Inc. (1 from 1,788 patents)


1 patent:

1. 5789499 - Polymerization process of vinyl chloride in the presence of oxygen

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1/5/2026
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