Growing community of inventors

Shiga, Japan

Koji Sumi

Average Co-Inventor Count = 6.00

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 = 1

Koji SumiMakoto Nakahara (1 patent)Koji SumiKenzo Kubo (1 patent)Koji SumiHideyuki Yamamoto (1 patent)Koji SumiRyutaro Ito (1 patent)Koji SumiTaizo Horiike (1 patent)Koji SumiKoji Sumi (1 patent)Makoto NakaharaMakoto Nakahara (7 patents)Kenzo KuboKenzo Kubo (3 patents)Hideyuki YamamotoHideyuki Yamamoto (3 patents)Ryutaro ItoRyutaro Ito (1 patent)Taizo HoriikeTaizo Horiike (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toray Industries, Inc. (1 from 3,474 patents)


1 patent:

1. 8097048 - Polyphenylene sulfide member and method for producing the same

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as of
12/11/2025
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