YH

Yoshitaka Handa

ON Onkyo: 2 patents #44 of 170Top 30%
Overall (All Time): #2,158,011 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
7224217 Switching amplifier Kazuhiro Hida, Joji Kasai, Sou Fujioka, Mamoru Sekiya 2007-05-29
6765449 Pulse width modulation circuit Kazutaka Murayama, Sadatoshi Hisamoto, Norio Umezu, Shuichi HIZA 2004-07-20