SF

Sou Fujioka

ON Onkyo: 1 patents #80 of 170Top 50%
Overall (All Time): #3,386,935 of 4,157,543Top 85%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7224217 Switching amplifier Kazuhiro Hida, Joji Kasai, Yoshitaka Handa, Mamoru Sekiya 2007-05-29