Growing community of inventors

Kawasaki, Japan

Yoshimasa Matsuura

Average Co-Inventor Count = 3.20

ph-index = 3

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 = 29

Yoshimasa Matsuura ↔ Hiroshi Kataoka (3 patents)Yoshimasa Matsuura ↔ Hiroshi Yamaki (3 patents)Yoshimasa Matsuura ↔ Yuji Tanaka (1 patent)Yoshimasa Matsuura ↔ Masahito Kuramitsu (1 patent)Yoshimasa Matsuura ↔ Nobuyoshi Umeniwa (1 patent)Yoshimasa MatsuuraYoshimasa Matsuura (4 patents)Hiroshi KataokaHiroshi Kataoka (47 patents)Hiroshi YamakiHiroshi Yamaki (12 patents)Yuji TanakaYuji Tanaka (15 patents)Masahito KuramitsuMasahito Kuramitsu (5 patents)Nobuyoshi UmeniwaNobuyoshi Umeniwa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Asahi Kasei Kogyo Kabushiki Kaisha (3 from 1,297 patents)

2. Asahi Kasei Kabushiki Kaisha (1 from 943 patents)


4 patents:

1. 6337039 - Method for making optical disk by injection molding

2. 6322735 - Method for molding thermoplastic resin

3. 6146577 - Method for injection molding of thermoplastic resins

4. 5993723 - Injection compression molding method

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as of
12/19/2025
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