RT

Ryuzo Tamayama

SO Sony: 6 patents #6,793 of 25,231Top 30%
Overall (All Time): #876,371 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Showing 1–6 of 6 patents

Patent #TitleCo-InventorsDate
7146018 Multichannel acoustic signal reproducing apparatus 2006-12-05
6650609 Disk device Kiyoshi Omori 2003-11-18
6603724 Disk recording and/or reproducing device, disk loading mechanism, and disk eject mechanism Koichi Numata 2003-08-05
6426932 Disk device Kiyoshi Omori 2002-07-30
6246654 Disk device Kiyoshi Omori 2001-06-12
5179485 Optical encoder for disc apparatus 1993-01-12