MY

Masahiro Yamanaka

Shimano: 3 patents #13 of 65Top 20%
Overall (2005): #19,680 of 245,428Top 9%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6938516 Bicycle crank axle bolt 2005-09-06
6860171 Drive mechanism for a bicycle transmission assist mechanism Yoshiaki Nanko, Toshio Tetsuka 2005-03-01
6845687 Bicycle crank arm 2005-01-25