Growing community of inventors

Kawasaki, Japan

Yasumasa Hiroshima

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 = 73

Yasumasa HiroshimaMasao Fujiwara (1 patent)Yasumasa HiroshimaTokimori Tomita (1 patent)Yasumasa HiroshimaMamoru Matsumoto (1 patent)Yasumasa HiroshimaShigeta Akihiko (1 patent)Yasumasa HiroshimaSatoshi Tomari (1 patent)Yasumasa HiroshimaYasumasa Hiroshima (1 patent)Masao FujiwaraMasao Fujiwara (4 patents)Tokimori TomitaTokimori Tomita (1 patent)Mamoru MatsumotoMamoru Matsumoto (1 patent)Shigeta AkihikoShigeta Akihiko (1 patent)Satoshi TomariSatoshi Tomari (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (1 from 39,245 patents)


1 patent:

1. 6965869 - Service point management system for use in sales promotion services

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1/9/2026
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