YO

Yasuo Okamoto

Yamaha Motor: 3 patents #13 of 178Top 8%
Overall (2021): #57,120 of 548,734Top 15%
3
Patents 2021

Issued Patents 2021

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11193401 Lost motion mechanism, valve gear and engine 2021-12-07
11193403 Valve spring retainer and internal combustion engine 2021-12-07
11066963 Internal combustion engine and vehicle 2021-07-20