HH

Hirokazu Hirayama

Shimano: 26 patents #60 of 759Top 8%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
HC Hitachi Engineering Co.: 2 patents #103 of 572Top 20%
KT Kabushiki Kaisha Toshiba: 2 patents #9,982 of 21,451Top 50%
Overall (All Time): #107,236 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
11819012 Spinning reel Akira Niitsuma, Atsushi Kawamata, Shu Kusuda, Kei Saito, Satoshi Ikebukuro +1 more 2023-11-21
11317614 Line guide mechanism for spinning reel Koji Ochiai 2022-05-03
10412946 Spinning reel for fishing 2019-09-17
10113649 Magnetic seal device and fishing reel including the seal device 2018-10-30
10021864 Fishing reel and magnetic seal device therefor Daiki Sumikawa, Hirokazu Hiraoka 2018-07-17
9775333 Fishing reel Hirokazu Hiraoka 2017-10-03
9750233 Line roller unit and fishing line guide mechanism Hirokazu Hiraoka 2017-09-05
8985493 Fishing-reel reel unit and fishing reel Akira Niitsuma, Shouji Nakagawa, Kunio Takechi 2015-03-24
8925846 Fishing-reel reel unit, fishing reel and method of manufacturing fishing-reel reel unit Akira Niitsuma, Shouji Nakagawa, Kunio Takechi 2015-01-06
8534584 Dual-bearing reel speed change operation mechanism 2013-09-17
8398011 Fishing reel Hiroaki Kuriyama 2013-03-19
7850110 Drag adjusting device for dual-bearing reel Hiroaki Kuriyama 2010-12-14
7823823 Drag adjusting device for dual-bearing reel 2010-11-02
7370821 Spool assembly for a dual bearing reel 2008-05-13
7234661 Drag adjustment device for a dual-bearing reel Masakazu Iwabuchi 2007-06-26
7161872 Fishing data display device Hiroaki Kuriyama, Yuzo Kawabe, Kazuhito Yamamoto, Masakazu Nomura, Hiroyasu Fujimoto +3 more 2007-01-09
6988684 Handle assembly for fishing reel Kenichi Kawasaki, Tomoharu Sakurai 2006-01-24
6819218 Maintenance/inspection support apparatus and entry/exit management apparatus Toshiaki Mabuchi, Kyo Takagi, Naoko Noto, Ryo Yoshitake, Yasuhiro Takemoto +2 more 2004-11-16
6729568 Spinning reel bail tripping device Kouji Ochiai 2004-05-04
6474580 Dual-bearing reel centrifugal braking device 2002-11-05
6460793 Dual-bearing reel unit Jun Sato 2002-10-08
6417760 Maintenance/inspection support apparatus and entry/exit management apparatus Toshiaki Mabuchi, Kyo Takagi, Naoko Noto, Ryo Yoshitake, Yasuhiro Takemoto +2 more 2002-07-09
6409113 Dual-bearing reel body Tomoharu Sakurai 2002-06-25
6394381 Dual-bearing reel centrifugal braking device 2002-05-28
6364231 Spinning reel spool and line economizer therefor Shin'ichi Morimoto 2002-04-02