Growing community of inventors

Obu, Japan

Youji Hamamoto

Average Co-Inventor Count = 6.00

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 = 15

Youji Hamamoto ↔ Yoshiyuki Fujita (1 patent)Youji Hamamoto ↔ Keisuke Imai (1 patent)Youji Hamamoto ↔ Masao Okumura (1 patent)Youji Hamamoto ↔ Toshihiro Kimura (1 patent)Youji Hamamoto ↔ Masanori Yajima (1 patent)Youji HamamotoYouji Hamamoto (1 patent)Yoshiyuki FujitaYoshiyuki Fujita (25 patents)Keisuke ImaiKeisuke Imai (17 patents)Masao OkumuraMasao Okumura (8 patents)Toshihiro KimuraToshihiro Kimura (4 patents)Masanori YajimaMasanori Yajima (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Toyoda Gosei Co., Ltd. (1 from 3,081 patents)

2. Matsuo Industries, Inc. (1 from 18 patents)


1 patent:

1. 7185915 - Steering wheel incorporating air bag device

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as of
12/27/2025
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