IM

Iwao Masumoto

Yamaha Motor: 4 patents #461 of 2,310Top 20%
Overall (All Time): #1,297,862 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5103774 Water cooling means for engine Akira Hirata 1992-04-14
5048471 Intake system for automotive engine Osamu Takii 1991-09-17
4976462 Water cooling means for engine Akira Hirata 1990-12-11
4809647 Intake system for multi cylindered engine Osamu Takii 1989-03-07