Growing community of inventors

Juuou-machi, Japan

Seiich Yamada

Average Co-Inventor Count = 7.00

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 = 4

Seiich Yamada ↔ Ken Takahashi (1 patent)Seiich Yamada ↔ Kunihiro Maeda (1 patent)Seiich Yamada ↔ Shingo Shirakawa (1 patent)Seiich Yamada ↔ Shigehisa Motowaki (1 patent)Seiich Yamada ↔ Shigeru Tanaka (1 patent)Seiich Yamada ↔ Moritaka Syouji (1 patent)Seiich YamadaSeiich Yamada (1 patent)Ken TakahashiKen Takahashi (53 patents)Kunihiro MaedaKunihiro Maeda (27 patents)Shingo ShirakawaShingo Shirakawa (23 patents)Shigehisa MotowakiShigehisa Motowaki (18 patents)Shigeru TanakaShigeru Tanaka (14 patents)Moritaka SyoujiMoritaka Syouji (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hitachi, Ltd. (1 from 42,526 patents)


1 patent:

1. 5610570 - Voltage non-linear resistor and fabricating method thereof

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1/17/2026
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