Yasuo Okamoto

Yamaha Motor: 2 patents #15 of 178Top 9%

Overall (2020): #105,838 of 565,922Top 20%

Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10851680	Internal combustion engine and vehicle	—	2020-12-01
10641141	Valve gear for engine	—	2020-05-05