YI

Yoshiharu Isaka

Yamaha Motor: 2 patents #6 of 46Top 15%
Overall (1982): #5,988 of 81,411Top 8%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4339964 Internal combustion engine with combined transmission case and crankshaft case, and intermediate shaft 1982-07-20
4327811 Motorcycle exhaust systems 1982-05-04