Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876649 | Optical disc recording and reproducing apparatus | Shunsuke Sehara | 2011-01-25 |
| 7870463 | Optical disc recording and playback apparatus | Shunsuke Sehara | 2011-01-11 |
| 7778121 | Optical disc apparatus capable of precisely reading address information and method of controlling optical disc apparatus | — | 2010-08-17 |
| 7515513 | Optical disc device | — | 2009-04-07 |
| 7254097 | Optical disc apparatus | Toyoshi Nogami, Ryotaro Nakagawa, Yoshiaki Ukawa | 2007-08-07 |
| 7113458 | Optical disc apparatus | Toshiaki Fukui | 2006-09-26 |
| 7073097 | Two-MCU system and hang-up detecting method of MCU | — | 2006-07-04 |
| 7012872 | Image reading device for an optical device | Tadashi Tachibana | 2006-03-14 |
| 6999387 | Disk reproducing apparatus and disk type identifying method | — | 2006-02-14 |
| 6996038 | Optical disc apparatus | — | 2006-02-07 |
| 6990048 | Track jump control apparatus and track jump method | Takayuki Ono | 2006-01-24 |
| 6760285 | Disk device and method for adjusting servo mechanism | Minoru Hirashima | 2004-07-06 |
| 6674694 | Light-pickup device applied to a recording and/or reproduction device for an optical disk inluding a detection circuit that generates a focus zero cross signal | — | 2004-01-06 |
| 6469966 | Disc apparatus with a disc discriminating function | Tadashi Tachibana | 2002-10-22 |
| 6392983 | Optical disc apparatus and method for controlling turntable rotation | Hiroshi Osawa | 2002-05-21 |
| 6252841 | Optical disc apparatus and method for controlling turntable rotation | Hiroshi Osawa | 2001-06-26 |
| 6229776 | Optical disc apparatus for selectively reading data and audio output from CD-ROM | Toshihiko Yamaue | 2001-05-08 |
| 6215739 | Highly accurate disc apparatus for recording/reading information in a disc means where discs are changed in the apparatus which eliminates track errors due to disc variations | Kazuteru Adachi | 2001-04-10 |
| 6133562 | Optical disk apparatus | — | 2000-10-17 |
| 6088314 | Disc reading apparatus using optical pick-up | Tadashi Tachibana, Shoji Saito | 2000-07-11 |
| 6064633 | Track jumping controlling method/apparatus | Kazuteru Adachi | 2000-05-16 |