YO

Yasuo Okamoto

Yamaha Motor: 3 patents #6 of 187Top 4%
Overall (2019): #62,344 of 560,194Top 15%
3
Patents 2019

Issued Patents 2019

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10352201 Valve mechanism of engine — 2019-07-16
10215063 Valve gear for engine and method of manufacturing rocker arms — 2019-02-26
10167744 Valve gear for engine — 2019-01-01