Growing community of inventors

Osaka, Japan

Yusei Horikawa

Average Co-Inventor Count = 3.75

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 = 0

Yusei HorikawaTadayuki Yakushijin (2 patents)Yusei HorikawaMichio Yamaji (1 patent)Yusei HorikawaKeisuke Ishibashi (1 patent)Yusei HorikawaKoji Hiramatsu (1 patent)Yusei HorikawaSouta Hachiman (1 patent)Yusei HorikawaYusei Horikawa (2 patents)Tadayuki YakushijinTadayuki Yakushijin (36 patents)Michio YamajiMichio Yamaji (142 patents)Keisuke IshibashiKeisuke Ishibashi (20 patents)Koji HiramatsuKoji Hiramatsu (8 patents)Souta HachimanSouta Hachiman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fujikin Inc. (1 from 442 patents)


2 patents:

1. D1089558 - Valve handle

2. 12188578 - Valve

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idiyas.com
as of
1/8/2026
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