Growing community of inventors

Sakai, Japan

Ken′ichi Kawasaki

Average Co-Inventor Count = 2.53

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 = 33

Ken′ichi KawasakiTakeshi Ikuta (3 patents)Ken′ichi KawasakiAkira Niitsuma (1 patent)Ken′ichi KawasakiShouji Nakagawa (1 patent)Ken′ichi KawasakiHiroaki Kuriyama (1 patent)Ken′ichi KawasakiKazuki Hiraizumi (1 patent)Ken′ichi KawasakiKen′ichi Kawasaki (4 patents)Takeshi IkutaTakeshi Ikuta (63 patents)Akira NiitsumaAkira Niitsuma (63 patents)Shouji NakagawaShouji Nakagawa (18 patents)Hiroaki KuriyamaHiroaki Kuriyama (8 patents)Kazuki HiraizumiKazuki Hiraizumi (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Inc. (4 from 3,300 patents)


4 patents:

1. 8678308 - Dual-bearing reel drag sound producing device

2. 7819353 - Fishing reel, fishing information display apparatus, and fishing information display system

3. 7188793 - Electronic circuit device for fishing equipment

4. 6983907 - Breaking device for a dual bearing reel

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as of
12/16/2025
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