RH

Ryo Hadano

Yamaha: 1 patents #1,232 of 2,001Top 65%
Overall (All Time): #3,122,993 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8820471 Speaker Yasuo SHIOZAWA, Koji Okazaki 2014-09-02