Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8665681 | Optical disc drive | Akira KITAYAMA, Tatemi Ido, Nobuaki Sato, Kouichi Ihara | 2014-03-04 |
| 8605563 | Optical disc device and control method of optical disc | Shuichi Minamiguchi, Hajime Nishimura | 2013-12-10 |
| 8406100 | Optical disc device and tracking servo control circuit therefor | Koji Kaniwa, Hajime Nishimura | 2013-03-26 |
| 8335142 | Optical disc drive and method of controlling laser light power in optical disc drive | Hajime Nishimura, Shuichi Minamiguchi, Kazuhiko Ono | 2012-12-18 |
| 8270276 | Optical disc drive and method of controlling power of laser light in recording to optical disc | Shuichi Minamiguchi, Hajime Nishimura, Kazuhiko Ono | 2012-09-18 |
| 8259548 | Optical disc device and disc identification method | Shuichi Minamiguchi, Hajime Nishimura | 2012-09-04 |
| 8243576 | Optical disc device and playing method of optical disc | Shuichi Minamiguchi, Hajime Nishimura | 2012-08-14 |
| 8189447 | Optical disc drive and method of controlling the same | Hajime Nishimura, Shuichi Minamiguchi | 2012-05-29 |
| 8165006 | Optical disc device and data reproduction method for the same | Shuichi Minamiguchi, Hajime Nishimura | 2012-04-24 |
| 7944785 | Optical disc recording/reproducing apparatus and focus-servo method thereof | Toru Kawashima, Takeyoshi Kataoka, Motoyuki Suzuki | 2011-05-17 |
| 7733748 | Optical disk apparatus method for compensating recording power for the same | — | 2010-06-08 |
| 7298679 | Write power determining method and write power control method for optical disk drive | Hiroyuki Hayashi, Takashi Matsuda | 2007-11-20 |
| 7206269 | Optical disk recording/reproducing apparatus with reduced resume time | Kazuhiko Ono | 2007-04-17 |
| 7102975 | Optical disk read/write apparatus and writing method | Hiroyuki Hayashi | 2006-09-05 |