AH

Akihisa Himeno

Yamaha: 2 patents #899 of 2,001Top 45%
Overall (All Time): #2,089,147 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8289075 Class-D amplifier Tatsuya Kishii, Moritaka Iyoda, Hirotoshi Tsuchiya, Toshio Maejima, Masayoshi Nakamura +1 more 2012-10-16
8159305 Amplifying device Tatsuya Kishii, Hirotoshi Tsuchiya, Masayoshi Nakamura, Masato Miyazaki 2012-04-17