YF

Yasufumi Fukunaga

Shimano: 3 patents #32 of 129Top 25%
Overall (2021): #57,301 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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