YF

Yasufumi Fukunaga

Shimano: 4 patents #19 of 147Top 15%
Overall (2018): #33,096 of 503,207Top 7%
4
Patents 2018

Issued Patents 2018

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10138991 Bicycle sprocket 2018-11-27
9926038 Bicycle sprocket, bicycle rear sprocket, and bicycle multiple sprocket assembly Tsuyoshi Fukumori, Koji Tokuyama, Sota Yamaguchi, Toshinari Oishi 2018-03-27
9915336 Bicycle sprocket assembly 2018-03-13
9885409 Bicycle sprocket and bicycle rear sprocket assembly 2018-02-06