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Osaka, Japan

Hirokazu Hiraoka

Average Co-Inventor Count = 1.97

ph-index = 5

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 = 94

Hirokazu HiraokaKeigo Kitajima (10 patents)Hirokazu HiraokaShingo Matsuo (9 patents)Hirokazu HiraokaTakeshi Ikuta (7 patents)Hirokazu HiraokaTakuji Takamatsu (6 patents)Hirokazu HiraokaKunio Takechi (4 patents)Hirokazu HiraokaAkira Niitsuma (3 patents)Hirokazu HiraokaKoji Ochiai (3 patents)Hirokazu HiraokaHirokazu Hirayama (3 patents)Hirokazu HiraokaHirokazu Hashimoto (3 patents)Hirokazu HiraokaMasakazu Iwabuchi (2 patents)Hirokazu HiraokaKen'ichi Sugawara (2 patents)Hirokazu HiraokaYutaka Inoue (2 patents)Hirokazu HiraokaYasuhiro Hitomi (1 patent)Hirokazu HiraokaAkihiko Sato (1 patent)Hirokazu HiraokaTomohiro Nishikawa (1 patent)Hirokazu HiraokaKouji Ochiai (1 patent)Hirokazu HiraokaYohei Toake (1 patent)Hirokazu HiraokaKenichi Sugahara (1 patent)Hirokazu HiraokaDaiki Sumikawa (1 patent)Hirokazu HiraokaKen′ichi Sugawara (1 patent)Hirokazu HiraokaKenichi Kawagoshi (1 patent)Hirokazu HiraokaMatsuo Shingo (0 patent)Hirokazu HiraokaOchiai Koji (0 patent)Hirokazu HiraokaHirokazu Hiraoka (39 patents)Keigo KitajimaKeigo Kitajima (48 patents)Shingo MatsuoShingo Matsuo (13 patents)Takeshi IkutaTakeshi Ikuta (63 patents)Takuji TakamatsuTakuji Takamatsu (29 patents)Kunio TakechiKunio Takechi (58 patents)Akira NiitsumaAkira Niitsuma (63 patents)Koji OchiaiKoji Ochiai (31 patents)Hirokazu HirayamaHirokazu Hirayama (26 patents)Hirokazu HashimotoHirokazu Hashimoto (3 patents)Masakazu IwabuchiMasakazu Iwabuchi (54 patents)Ken'ichi SugawaraKen'ichi Sugawara (16 patents)Yutaka InoueYutaka Inoue (6 patents)Yasuhiro HitomiYasuhiro Hitomi (46 patents)Akihiko SatoAkihiko Sato (13 patents)Tomohiro NishikawaTomohiro Nishikawa (11 patents)Kouji OchiaiKouji Ochiai (4 patents)Yohei ToakeYohei Toake (3 patents)Kenichi SugaharaKenichi Sugahara (3 patents)Daiki SumikawaDaiki Sumikawa (3 patents)Ken′ichi SugawaraKen′ichi Sugawara (1 patent)Kenichi KawagoshiKenichi Kawagoshi (1 patent)Matsuo ShingoMatsuo Shingo (0 patent)Ochiai KojiOchiai Koji (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Shimano Inc. (39 from 3,300 patents)


39 patents:

1. 10709122 - Spinning reel

2. 10172338 - Dual-bearing reel

3. 10021864 - Fishing reel and magnetic seal device therefor

4. 9807989 - Dual-bearing reel

5. 9775333 - Fishing reel

6. 9750233 - Line roller unit and fishing line guide mechanism

7. 9743650 - Reciprocating mechanism for a fishing reel

8. 9700033 - Coiled wave spring and drag knob

9. 9700030 - Spinning reel

10. 9668465 - Dual-bearing reel

11. 9642347 - Line roller

12. 9615554 - Fishing reel

13. 9549540 - Dual-bearing reel

14. 9370173 - Spinning reel

15. 9363987 - Line roller and fishing line guide mechanism using same

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as of
12/16/2025
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