Growing community of inventors

Yokohama, Japan

Eiichi Sugiyama

Average Co-Inventor Count = 4.80

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 = 2

Eiichi SugiyamaTsuyoshi Noma (2 patents)Eiichi SugiyamaKazutaka Kojo (2 patents)Eiichi SugiyamaKiyoshi Imai (1 patent)Eiichi SugiyamaTadashi Imai (1 patent)Eiichi SugiyamaKatsuki Ide (1 patent)Eiichi SugiyamaHidetoshi Ibe (1 patent)Eiichi SugiyamaEiichi Sugiyama (2 patents)Tsuyoshi NomaTsuyoshi Noma (5 patents)Kazutaka KojoKazutaka Kojo (3 patents)Kiyoshi ImaiKiyoshi Imai (21 patents)Tadashi ImaiTadashi Imai (19 patents)Katsuki IdeKatsuki Ide (2 patents)Hidetoshi IbeHidetoshi Ibe (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kabushiki Kaisha Toshiba (2 from 52,751 patents)


2 patents:

1. 8557191 - Nanocarbon producing apparatus

2. 7824631 - Nanocarbon generation equipment

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as of
1/2/2026
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