Growing community of inventors

Saitama, Japan

Fujio Yamamoto

Average Co-Inventor Count = 2.40

ph-index = 2

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

Fujio YamamotoTsutomu Iwami (3 patents)Fujio YamamotoMasaaki Ikeda (1 patent)Fujio YamamotoTsuyoshi Ishizuka (1 patent)Fujio YamamotoFujio Yamamoto (3 patents)Tsutomu IwamiTsutomu Iwami (6 patents)Masaaki IkedaMasaaki Ikeda (32 patents)Tsuyoshi IshizukaTsuyoshi Ishizuka (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Tsubakimoto Chain Company (3 from 906 patents)

2. Nissan Tanaka Corpration (1 from 1 patent)


3 patents:

1. 7426824 - Cable protection guide having improved skate

2. 7373770 - Skate unit for cable protection and guide device

3. 7343731 - Skate truck for cable guide

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idiyas.com
as of
12/20/2025
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