Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
KT

Kunio Takechi — 58 Patents

Shimano: 57 patents #14 of 759Top 2%
SBShimano Components (Malaysia) Sdn. Bhd.: 3 patents #7 of 57Top 15%
TLTeijin Limited: 1 patents #850 of 1,631Top 55%
Overall (All Time): #41,510 of 4,157,543Top 1%
58 Patents All Time

Issued Patents All Time

Showing 26–50 of 58 patents

Patent #TitleCo-InventorsDate
10231445 Dual-bearing reel Akira Niitsuma, Kenji Yoshida 2019-03-19
10219501 Dual-bearing reel Takeshi Ikuta, Yohei Toake 2019-03-05
10219500 Dual-bearing reel 2019-03-05
10172338 Dual-bearing reel Yohei Toake, Takeshi Ikuta, Hirokazu Hiraoka 2019-01-08
9901084 Dual-bearing reel 2018-02-27
9861086 Drag device for a dual-bearing reel Takeshi Ikuta 2018-01-09
9807989 Dual-bearing reel Akira Niitsuma, Takeshi Ikuta, Takuji Takamatsu, Hirokazu Hiraoka 2017-11-07
9788535 Waterproof structure for a fishing reel Akira Niitsuma, Takeshi Ikuta, Yutaka Inoue 2017-10-17
9763433 Reciprocating mechanism for a fishing reel and a fishing reel Akira Niitsuma, Koichi Kawane, Keigo Kitajima, Baihaki Bin Sabtu, Abu Supian Bin Ahmad 2017-09-19
9750234 Engaging pin and reciprocating mechanism for fishing reel having engaging pin 2017-09-05
9700032 Clutch return mechanism for a dual-bearing reel 2017-07-11
9693544 Drag device for a dual-bearing reel 2017-07-04
9668465 Dual-bearing reel Akira Niitsuma, Takeshi Ikuta, Takuji Takamatsu, Hirokazu Hiraoka 2017-06-06
9629349 Dual-bearing reel Hiroki Ogose 2017-04-25
9549540 Dual-bearing reel Takeshi Ikuta, Takuji Takamatsu, Akira Niitsuma, Hirokazu Hiraoka 2017-01-24
9545089 Dual-bearing reel spool braking device and a dual-bearing reel Akira Niitsuma 2017-01-17
9439408 Dual-bearing reel Akira Niitsuma 2016-09-13
9210922 Dual-bearing reel Shouji Nakagawa, Tomoya Deguchi 2015-12-15
8985493 Fishing-reel reel unit and fishing reel Akira Niitsuma, Hirokazu Hirayama, Shouji Nakagawa 2015-03-24
8925846 Fishing-reel reel unit, fishing reel and method of manufacturing fishing-reel reel unit Akira Niitsuma, Shouji Nakagawa, Hirokazu Hirayama 2015-01-06
8899506 Dual-bearing reel drag regulation mechanism 2014-12-02
8882013 Torque limiting device for fishing reel 2014-11-11
8840053 Handle assembly for dual-bearing reel and dual-bearing reel 2014-09-23
8820669 Dual-bearing reel 2014-09-02
8820670 Dual-bearing reel 2014-09-02