TO

Tsuyoshi Oyamatsu

ON Onkyo: 1 patents #80 of 170Top 50%
TE Teac: 1 patents #255 of 440Top 60%
Overall (All Time): #1,957,784 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10007483 Volume adjustment device — 2018-06-26
8000190 Optical disk device and optical disk processing system Yasushi Hosono, Yutaka Kobayashi 2011-08-16