Growing community of inventors

Aki-gun, Japan

Koichiro Yamaguchi

Average Co-Inventor Count = 5.00

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 = 10

Koichiro Yamaguchi ↔ Naoyuki Ikemizu (1 patent)Koichiro Yamaguchi ↔ Issei Harima (1 patent)Koichiro Yamaguchi ↔ Chikashi Kawamoto (1 patent)Koichiro Yamaguchi ↔ Kimito Sato (1 patent)Koichiro YamaguchiKoichiro Yamaguchi (1 patent)Naoyuki IkemizuNaoyuki Ikemizu (6 patents)Issei HarimaIssei Harima (5 patents)Chikashi KawamotoChikashi Kawamoto (1 patent)Kimito SatoKimito Sato (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gp Daikyo Corporation (1 from 17 patents)


1 patent:

1. 6805398 - Structure of tail gate

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as of
12/16/2025
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