RT

Ryoji Takamatsu

SO Sony: 10 patents #4,411 of 25,231Top 20%
Overall (All Time): #525,180 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
6493308 Disc recording/reproducing apparatus and disc container casing used therein Tomohiro Watanabe, Toru Hama, Ikuo Nitta 2002-12-10
6128156 Device for driving tape-like recording medium Takeo Kondo 2000-10-03
5586103 Disc player with an automatic disc charger including eject locking mechanism and movable chassis holding mechanism Tomohiro Watanabe 1996-12-17
5481513 Disc changing apparatus for disc player including improved translating chassis and eject mechanism for disc magazine Tomohiro Watanabe, Koichi Nojima 1996-01-02
5063557 Disc drive apparatus Osamu Naitou, Hiroyuki Urushibata, Masahiro Sato 1991-11-05
4794588 Optical disk player You Yoshitoshi, Tsutomu Toyoguchi 1988-12-27
4731777 Optical disk player You Yoshitoshi, Tsutomu Toyoguchi, Yoshiro Watanabe 1988-03-15
4638386 Operation changing mechanism responsive to direction change of a reversible motor 1987-01-20
4628498 Disc loading apparatus for use in a disc player Kouji Umezawa, Tsutomu Toyoguchi 1986-12-09
4527210 Mode selecting mechanism for magnetic tape recording and/or reproducing apparatus 1985-07-02