KK

Kenji Kamada

Shimano: 41 patents #31 of 759Top 5%
KS Kawai Gakki Seisakusho: 7 patents #26 of 198Top 15%
PA Panasonic: 7 patents #3,841 of 21,108Top 20%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
The Procter & Gamble: 1 patents #6,322 of 10,133Top 65%
RT Renesas Technology: 1 patents #1,991 of 3,337Top 60%
KC Kawai Musical Instruments Manufacturing Co.: 1 patents #20 of 50Top 40%
NL Nippon Sheet Glass Company, Limited: 1 patents #482 of 836Top 60%
AE Alpine Electronics: 1 patents #279 of 637Top 45%
Overall (All Time): #34,708 of 4,157,543Top 1%
64
Patents All Time

Issued Patents All Time

Showing 25 most recent of 64 patents

Patent #TitleCo-InventorsDate
11591044 Bicycle sprocket assembly and bicycle sprocket 2023-02-28
11584473 Suspension control device for a human-powered vehicle Yasuhiro Tsuchizawa, Takuya Katsuki 2023-02-21
11577803 Derailleur for human-powered vehicle 2023-02-14
11440346 Hub assembly and drive train 2022-09-13
11414157 Bicycle rear sprocket assembly Azusa Yamazaki 2022-08-16
11364971 Bicycle sprocket assembly and bicycle drive train 2022-06-21
11180217 Multiple bicycle sprocket assembly Koji Tokuyama, Kenji Ose, Toshinari Oishi, Sota Yamaguchi 2021-11-23
11148755 Bicycle derailleur 2021-10-19
11066118 Bicycle seatpost system Takuya Katsuki, Yasuhiro Tsuchizawa, Tomohiro Kondo 2021-07-20
11046392 Human-powered vehicle control device Satoshi Shahana 2021-06-29
11008065 Bicycle sprocket arrangement Azusa Yamazaki 2021-05-18
10865870 Bicycle sprocket Azusa Yamazaki 2020-12-15
10850561 Bicycle wheel securing device 2020-12-01
10689067 Bicycle sprocket assembly and bicycle drive train 2020-06-23
10625814 Bicycle crank assembly 2020-04-21
10604698 Light up-conversion material Kenji Kobayashi 2020-03-31
10584785 Bicycle sprocket and bicycle sprocket assembly 2020-03-10
10457353 Bicycle rear sprocket assembly Azusa Yamazaki 2019-10-29
10352397 Bicycle chain Koji Yuasa 2019-07-16
10183724 Bicycle hydraulic operating system Nobukatsu Hara, Masahiro Nakakura 2019-01-22
10093388 Bicycle rear sprocket assembly 2018-10-09
10059400 Multiple bicycle sprocket assembly Koji Tokuyama, Kenji Ose, Toshinari Oishi, Sota Yamaguchi 2018-08-28
10053187 Bicycle rear sprocket assembly and bicycle rear sprocket 2018-08-21
9890326 Light up-conversion luminescent substance Kenji Kobayashi 2018-02-13
9631714 Bicycle sprocket and bicycle crank assembly Etsuyoshi Watarai, Koji Yuasa 2017-04-25