Growing community of inventors

Fukuoka, Japan

Kouji Sugiyama

Average Co-Inventor Count = 5.00

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 = 3

Kouji Sugiyama ↔ Koichi Yoshida (1 patent)Kouji Sugiyama ↔ Tomoko Yamashita (1 patent)Kouji Sugiyama ↔ Keiko Imafuku (1 patent)Kouji Sugiyama ↔ Hironaga Miyazaki (1 patent)Kouji SugiyamaKouji Sugiyama (1 patent)Koichi YoshidaKoichi Yoshida (5 patents)Tomoko YamashitaTomoko Yamashita (3 patents)Keiko ImafukuKeiko Imafuku (1 patent)Hironaga MiyazakiHironaga Miyazaki (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujitsu Corporation (1 from 39,237 patents)


1 patent:

1. 6564054 - Mobile communication system

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as of
12/16/2025
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