YH

Yasuyuki Hamanaka

Yamaha Motor: 1 patents #1,283 of 2,310Top 60%
Overall (All Time): #3,316,477 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7484492 Four-cycle internal combustion engine and vehicle Takehiko Shiraoya, Akira Takeda 2009-02-03