Growing community of inventors

Hiroshima, Japan

Yuji Yamamoto

Average Co-Inventor Count = 5.00

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 = 18

Yuji Yamamoto ↔ Hiroshi Tanaka (1 patent)Yuji Yamamoto ↔ Ryo Ashikawa (1 patent)Yuji Yamamoto ↔ Shozaburo Dobashi (1 patent)Yuji Yamamoto ↔ Hisaichiro Uchida (1 patent)Yuji Yamamoto ↔ Taizo Kunimura (1 patent)Yuji Yamamoto ↔ Hiroshi Miyachi (1 patent)Yuji Yamamoto ↔ Hideyuki Shigematsu (1 patent)Yuji Yamamoto ↔ Tatsuo Ishida (1 patent)Yuji YamamotoYuji Yamamoto (2 patents)Hiroshi TanakaHiroshi Tanaka (19 patents)Ryo AshikawaRyo Ashikawa (2 patents)Shozaburo DobashiShozaburo Dobashi (2 patents)Hisaichiro UchidaHisaichiro Uchida (2 patents)Taizo KunimuraTaizo Kunimura (1 patent)Hiroshi MiyachiHiroshi Miyachi (1 patent)Hideyuki ShigematsuHideyuki Shigematsu (1 patent)Tatsuo IshidaTatsuo Ishida (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hiroshima Kasei Ltd (2 from 5 patents)

2. Mitsubishi Jidosha Kogyo Kabushiki Kaisha (1 from 1,627 patents)

3. Tosco Co., Ltd. (1 from 2 patents)


2 patents:

1. 5279782 - Method for making weather strips with 'suede appearance'

2. 5011875 - Corrosion resistant, water expandable composition

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as of
1/10/2026
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