Growing community of inventors

Urawa, Japan

Yoshiharu Otuki

Average Co-Inventor Count = 4.44

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 = 15

Yoshiharu Otuki ↔ Akitoshi Sugio (2 patents)Yoshiharu Otuki ↔ Masaharu Kimura (2 patents)Yoshiharu Otuki ↔ Akira Amemiya (1 patent)Yoshiharu Otuki ↔ Tomotaka Furusawa (1 patent)Yoshiharu Otuki ↔ Kiyokazu Kawaguchi (1 patent)Yoshiharu OtukiYoshiharu Otuki (2 patents)Akitoshi SugioAkitoshi Sugio (51 patents)Masaharu KimuraMasaharu Kimura (14 patents)Akira AmemiyaAkira Amemiya (11 patents)Tomotaka FurusawaTomotaka Furusawa (8 patents)Kiyokazu KawaguchiKiyokazu Kawaguchi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Mitsubishi Gas Chemical Company, Inc. (2 from 2,250 patents)


2 patents:

1. 4342680 - Stabilized oxymethylene copolymer composition

2. 4201849 - Acetal resin composition

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as of
1/7/2026
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