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Toyonaka, Japan

Hiroyuki Yamaguchi

Average Co-Inventor Count = 5.83

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 = 86

Hiroyuki Yamaguchi ↔ Kunimasa Kamio (2 patents)Hiroyuki Yamaguchi ↔ Satoru Haraguchi (2 patents)Hiroyuki Yamaguchi ↔ Koichi Okuno (2 patents)Hiroyuki Yamaguchi ↔ Koiti Ohasi (1 patent)Hiroyuki Yamaguchi ↔ Kenji Fujimura (1 patent)Hiroyuki Yamaguchi ↔ Koichi Ohashi (1 patent)Hiroyuki Yamaguchi ↔ Shigeru Sekiya (1 patent)Hiroyuki YamaguchiHiroyuki Yamaguchi (2 patents)Kunimasa KamioKunimasa Kamio (30 patents)Satoru HaraguchiSatoru Haraguchi (3 patents)Koichi OkunoKoichi Okuno (2 patents)Koiti OhasiKoiti Ohasi (3 patents)Kenji FujimuraKenji Fujimura (2 patents)Koichi OhashiKoichi Ohashi (1 patent)Shigeru SekiyaShigeru Sekiya (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sumitomo Chemical Company, Limited (2 from 6,893 patents)

2. Sumitomo Metal Mining Company, Ltd. (1 from 896 patents)


2 patents:

1. 4410457 - Conductive paste

2. 4360649 - Curable composition

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as of
12/10/2025
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