Growing community of inventors

Ube, Japan

Kenji Sugiyama

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

Kenji Sugiyama ↔ Seiji Ishikawa (1 patent)Kenji Sugiyama ↔ Yukio Matsumoto (1 patent)Kenji Sugiyama ↔ Shuuichi Hirano (1 patent)Kenji Sugiyama ↔ Takuo Morishige (1 patent)Kenji Sugiyama ↔ Tutomu Kaibara (1 patent)Kenji SugiyamaKenji Sugiyama (1 patent)Seiji IshikawaSeiji Ishikawa (10 patents)Yukio MatsumotoYukio Matsumoto (3 patents)Shuuichi HiranoShuuichi Hirano (1 patent)Takuo MorishigeTakuo Morishige (1 patent)Tutomu KaibaraTutomu Kaibara (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ube Industries, Inc. (1 from 1,432 patents)

2. Seibu Oil Co., Ltd. (1 from 2 patents)


1 patent:

1. 4759839 - Process for producing pitch useful as raw material for carbon fibers

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idiyas.com
as of
12/12/2025
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