Growing community of inventors

Sakai, Japan

Norio Hamayasu

Average Co-Inventor Count = 1.80

ph-index = 4

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 = 49

Norio HamayasuNobuyoshi Utsuno (3 patents)Norio HamayasuToshihiko Yasui (2 patents)Norio HamayasuIsamu Tokuda (2 patents)Norio HamayasuKiyohiko Matsumoto (2 patents)Norio HamayasuTakafumi Harada (2 patents)Norio HamayasuKiyohide Kamikawa (1 patent)Norio HamayasuNorio Hamayasu (6 patents)Nobuyoshi UtsunoNobuyoshi Utsuno (8 patents)Toshihiko YasuiToshihiko Yasui (21 patents)Isamu TokudaIsamu Tokuda (10 patents)Kiyohiko MatsumotoKiyohiko Matsumoto (5 patents)Takafumi HaradaTakafumi Harada (3 patents)Kiyohide KamikawaKiyohide Kamikawa (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Inc. (3 from 3,300 patents)

2. Shimano Industrial Co., Ltd. (3 from 444 patents)


6 patents:

1. 6269585 - Inner rod for a hollow collapsible fishing rod

2. 5946845 - Inner rod for a hollow collapsible fishing rod

3. 5231783 - Method of making fishing rod and fishing rod made by the method

4. 4503634 - Fish hook

5. 4402470 - Fishing reel

6. 4173317 - Sound generating mechanism for a spinning reel

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as of
12/18/2025
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