TO

Takeshi Oyaizu

Yamaha Motor: 4 patents #461 of 2,310Top 20%
Yamaha: 1 patents #1,232 of 2,001Top 65%
📍 Kakegawa, JP: #122 of 302 inventorsTop 45%
Overall (All Time): #1,056,146 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5385125 Four cycle engine Masahiko Iikura 1995-01-31
5222464 Four cycle engine 1993-06-29
4726331 Means for variable valve timing for engine 1988-02-23
4715333 Valve timing control means for engine 1987-12-29
4685429 Valve timing control means for engine 1987-08-11