KK

Kenji Kamada

Shimano: 5 patents #15 of 129Top 15%
Overall (2021): #31,022 of 548,734Top 6%
5
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
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