Growing community of inventors

Yokohama, Japan

Katsuhiro Tsukiyama

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 = 9

Katsuhiro Tsukiyama ↔ Yoshihiro Takitani (1 patent)Katsuhiro Tsukiyama ↔ Tetsuya Asai (1 patent)Katsuhiro Tsukiyama ↔ Takehiko Egawa (1 patent)Katsuhiro TsukiyamaKatsuhiro Tsukiyama (1 patent)Yoshihiro TakitaniYoshihiro Takitani (3 patents)Tetsuya AsaiTetsuya Asai (2 patents)Takehiko EgawaTakehiko Egawa (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Honda Motor Co., Ltd. (1 from 21,875 patents)

2. Saga Tekkohsho Co., Ltd. (1 from 3 patents)


1 patent:

1. 7976258 - Screw and screw fastening structure

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as of
12/16/2025
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