YK

Yusuke Konagai

Yamaha: 2 patents #40 of 230Top 20%
Overall (2011): #55,461 of 364,097Top 20%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7970153 Audio output apparatus Susumu Takumai 2011-06-28
7920710 Loudspeaker apparatus Takuya Tamaru 2011-04-05