YF

Yasufumi Fukunaga

Shimano: 16 patents #107 of 759Top 15%
Overall (All Time): #291,630 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Showing 1–16 of 16 patents

Patent #TitleCo-InventorsDate
11718369 Bicycle sprocket Shota SUYAMA 2023-08-08
11518474 Bicycle sprocket arrangement Shota SUYAMA 2022-12-06
11338886 Bicycle multiple sprocket and bicycle sprocket Atsuhiro Emura 2022-05-24
11338887 Bicycle rear sprocket Atsuhiro Emura, Kohei Hokai 2022-05-24
11028916 Bicycle sprocket Tsuyoshi Fukumori 2021-06-08
10933947 Bicycle sprocket 2021-03-02
10926836 Bicycle rear sprocket assembly Hiroshi Fujita, Atsuhiro Emura, Tsuyoshi Fukumori 2021-02-23
10800487 Bicycle sprocket and bicycle drive train Atsuhiro Emura, Tsuyoshi Fukumori 2020-10-13
10717495 Bicycle sprocket Hiroshi Fujita, Tsuyoshi Fukumori, Atsuhiro Emura 2020-07-21
10577051 Bicycle sprocket Atsuhiro Emura 2020-03-03
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
9463844 Bicycle sprocket and bicycle sprocket assembly 2016-10-11
9334014 Bicycle sprocket and bicycle sprocket assembly 2016-05-10