Growing community of inventors

Yokkaichi, Japan

Eiji Yamada

Average Co-Inventor Count = 4.00

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 = 36

Eiji YamadaHideo Takahashi (2 patents)Eiji YamadaTakeshi Fujimura (1 patent)Eiji YamadaHaruo Okuda (1 patent)Eiji YamadaToshihiko Akamatsu (1 patent)Eiji YamadaMasashi Sakamoto (1 patent)Eiji YamadaEiji Yamada (2 patents)Hideo TakahashiHideo Takahashi (27 patents)Takeshi FujimuraTakeshi Fujimura (14 patents)Haruo OkudaHaruo Okuda (9 patents)Toshihiko AkamatsuToshihiko Akamatsu (5 patents)Masashi SakamotoMasashi Sakamoto (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ishihara Sangyo Kaisha, Ltd. (2 from 393 patents)


2 patents:

1. 6616746 - Titanium dioxide pigment and method for production thereof

2. 4880703 - Acicular electroconductive titanium oxide and process for producing same

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as of
12/16/2025
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