YM

Yamanaka Masahiro

Shimano: 3 patents #327 of 759Top 45%
📍 Izumisano, JP: #36 of 117 inventorsTop 35%
Overall (All Time): #1,621,062 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6227070 Bicycle crank and method for manufacturing same Eiji Mizobe 2001-05-08
6195894 Bicycle crank and method for manufacturing same Eiji Mizobe 2001-03-06
6014913 Hollow crank spindle unit for bicycles 2000-01-18