MI

Masayuki Iwamatsu

Yamaha: 3 patents #20 of 230Top 9%
Overall (2011): #41,847 of 364,097Top 15%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8050425 Audio signal supplying device, parameter providing system, television set, AV system, speaker apparatus, and audio signal supplying method 2011-11-01
7961011 Amplifier Hirotoshi Tsuchiya 2011-06-14
7961044 Amplifier 2011-06-14