EW

Etsuyoshi Watarai

Shimano: 107 patents #2 of 759Top 1%
SI Shimano Industrial: 2 patents #28 of 60Top 50%
EC Echowell Electronic Co.: 1 patents #3 of 4Top 75%
Overall (All Time): #12,229 of 4,157,543Top 1%
109
Patents All Time

Issued Patents All Time

Showing 101–109 of 109 patents

Patent #TitleCo-InventorsDate
6030052 Bicycle hub shell with removable flanges Takuji Masui 2000-02-29
5941125 Bicycle shifting apparatus having remotely located levers for operating a single transmission Kenji Ose, Noriaki Takahashi 1999-08-24
5903214 Bicycle display apparatus 1999-05-11
5848555 Auxiliary shift lever for use with a bicycle shifting device 1998-12-15
5678455 Bar-end shifting device 1997-10-21
5653649 Shifting apparatus for operating front and rear derailleurs with a single manual lever 1997-08-05
5577969 Shifting apparatus for operating front and rear derailleurs with a single manual level 1996-11-26
4270481 Lever operating device for gear-shifting means of a bicycle or the like 1981-06-02
4259879 Control device for a derailleur 1981-04-07