YF

Yasufumi Fukunaga

Shimano: 3 patents #38 of 176Top 25%
Overall (2020): #62,935 of 565,922Top 15%
3
Patents 2020

Issued Patents 2020

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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