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 51–58 of 58 patents

Patent #TitleCo-InventorsDate
8490909 Dual-bearing reel drag sound producing device Takuji Takamatsu, Akira Niitsuma, Kouji Ochiai 2013-07-23
8113456 Dual-bearing reel speed-change operation mechanism Takeshi Ikuta 2012-02-14
8066216 Dual-bearing reel lever drag mechanism 2011-11-29
7866587 Drag adjusting mechanism for dual-bearing reel Takeshi Ikuta 2011-01-11
7845590 Sound generating device for dual-bearing reel Takeshi Ikuta 2010-12-07
7753304 Lever drag type dual-bearing reel Takeshi Ikuta 2010-07-13
7699257 Dual bearing reel handle shaft structure Ken'ichi Kawasaki 2010-04-20
7661618 Drag mechanism for dual-bearing reel 2010-02-16