TH

Toru Hama

SO Sony: 16 patents #2,631 of 25,231Top 15%
FC Fukoku Co.: 1 patents #31 of 76Top 45%
Overall (All Time): #300,496 of 4,157,543Top 8%
16
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
RE42763 Recording and/or reproducing device for disks Tomohiro Watanabe, Kazuyuki Takizawa, Takayuki Ishibashi, Yoshiteru Taka 2011-09-27
RE42482 Disc support plate, disc changer mechanism, and disc recording and/or reproducing device Kazuyuki Takizawa, Tomohiro Watanabe 2011-06-21
RE42041 Recording and/or reproducing device for disks Tomohiro Watanabe, Kazuyuki Takizawa, Takayuki Ishibashi, Yoshiteru Taka 2011-01-18
7447136 Optical pickup and optical disc apparatus Nobuhiko Ando 2008-11-04
7308695 Disk holding member, disk tray, recording and/or reproducing device, and disk changer Kazuyuki Takizawa, Hisao Takahashi, Hiroshi Kishida 2007-12-11
6934959 Disk recording and/or reproducing device Kazuyuki Takizawa, Tomohiro Watanabe 2005-08-23
6785897 Disc support plate, disc changer mechanism, and disc recording and/or reproducing device Kazuyuki Takizawa, Tomohiro Watanabe 2004-08-31
6760283 Disk recording and/or reproducing device with starting and ejection control means Tomohiro Watanabe, Kazuyuki Takizawa, Takayuki Ishibashi, Yoshiteru Taka 2004-07-06
6754164 Disc recording/reproducing apparatus and disc container casing used therein Kiyoshi Goto, Tomohiro Watanabe 2004-06-22
6751181 Recording and/or reproducing device for disks Tomohiro Watanabe, Kazuyuki Takizawa, Takayuki Ishibashi, Yoshiteru Taka 2004-06-15
6724713 Recording and/or reproducing device for disks Tomohiro Watanabe, Kazuyuki Takizawa, Takayuki Ishibashi, Yoshiteru Taka 2004-04-20
6683828 Disc holding device and disc recording and/or reproducing device including disc mounting mechanisms and bias mechanisms for biasing a disc towards the mounting mechanisms Tomohiro Watanabe, Kazuyuki Takizawa, Takayuki Ishibashi, Yoshiteru Taka 2004-01-27
6654319 Disc recording and/or reproducing apparatus having control plates and space forming features Tomohiro Watanabe, Kazuyuki Takizawa, Takayuki Ishibashi, Yoshiteru Taka 2003-11-25
6646974 Disc support plate and disc recording and/or reproducing device Kazuyuki Takizawa, Tomohiro Watanabe 2003-11-11
6493308 Disc recording/reproducing apparatus and disc container casing used therein Ryoji Takamatsu, Tomohiro Watanabe, Ikuo Nitta 2002-12-10
6307828 Disc recording/reproducing apparatus and disc container casing used therein Kiyoshi Goto, Tomohiro Watanabe 2001-10-23