Growing community of inventors

Kobe, Japan

Kazuma Ujigawa

Average Co-Inventor Count = 4.00

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 = 0

Kazuma Ujigawa ↔ Keiji Higuchi (1 patent)Kazuma Ujigawa ↔ Kiyotaka Ueyama (1 patent)Kazuma Ujigawa ↔ Kenji Kodama (1 patent)Kazuma Ujigawa ↔ Kenji Kodama (0 patent)Kazuma UjigawaKazuma Ujigawa (1 patent)Keiji HiguchiKeiji Higuchi (6 patents)Kiyotaka UeyamaKiyotaka Ueyama (4 patents)Kenji KodamaKenji Kodama (1 patent)Kenji KodamaKenji Kodama (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Rubber Industries Limited (1 from 4,417 patents)


1 patent:

1. 11964517 - Pneumatic tire

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as of
12/18/2025
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