KO

Kazushige Otsu

ON Onkyo: 1 patents #80 of 170Top 50%
Overall (All Time): #3,182,075 of 4,157,543Top 80%
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8571236 Volume control system, controller, and amplifying apparatus Takashi Yamada 2013-10-29