Growing community of inventors

Sakai, Japan

Osamu Yoshikawa

Average Co-Inventor Count = 1.41

ph-index = 8

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 = 136

Osamu YoshikawaYoshiyuki Furomoto (5 patents)Osamu YoshikawaKenichi Sugawara (4 patents)Osamu YoshikawaHideo Noda (3 patents)Osamu YoshikawaNoboru Sakaguchi (3 patents)Osamu YoshikawaTakeshi Ikuta (1 patent)Osamu YoshikawaMasuo Ban (1 patent)Osamu YoshikawaOsamu Yoshikawa (18 patents)Yoshiyuki FuromotoYoshiyuki Furomoto (38 patents)Kenichi SugawaraKenichi Sugawara (15 patents)Hideo NodaHideo Noda (31 patents)Noboru SakaguchiNoboru Sakaguchi (19 patents)Takeshi IkutaTakeshi Ikuta (63 patents)Masuo BanMasuo Ban (12 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Inc. (14 from 3,296 patents)

2. Shimano Industrial Co., Ltd. (4 from 444 patents)


18 patents:

1. 6027058 - Spinning reel having balancing means

2. 5967438 - Spinning reel having balancing means

3. 5772138 - Spinning reel having balancing means

4. 5540397 - Spinning reel

5. 5419505 - Spinning reel having a stopper for limiting spool movement

6. 5379957 - Spinning reel having balancer

7. 5350129 - Spinning reel having balancing means

8. 5342003 - Spinning reel

9. 5328127 - Spinning reel having a sealed front drag mechanism

10. 5312067 - Spinning reel

11. 5308017 - Spinning reel with a shock absorbing mechanism

12. 5301898 - Outer spool type spinning reel having improved bail arm control mechanism

13. 5279477 - Sound producing apparatus for spinning reel

14. 5221057 - Spinning reel with one-way clutch mechanism

15. 4778123 - Drag adjusting device for a closed-face type fishing reel

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as of
12/16/2025
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