Issued Patents 2011
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43018 | Optical disk apparatus and tracking method | Mariko Umeda, Hiroyuki Minemura | 2011-12-13 |
| 8023377 | Optical disc device and tracking and slider control method | Ryuta Aihara, Akihiro Ashida, Hisanobu Tajima | 2011-09-20 |
| 8014247 | Optical disk recording/reproducing apparatus and alternation process method thereof | Kikuo Shimizu | 2011-09-06 |
| 7995429 | Optical disk device and tilt correction method thereof | Koji Iijima, Junji Nakajima | 2011-08-09 |
| 7983122 | Defocus detection device, defocus detection method and optical disk unit using the same | Yoshinori Ishikawa | 2011-07-19 |
| 7965611 | Optical disk apparatus and starting method thereof | Shigeki Yamazaki, Toshio Saitoh, Jinya Ikeda | 2011-06-21 |
| 7944785 | Optical disc recording/reproducing apparatus and focus-servo method thereof | Toru Kawashima, Hiroharu Sakai, Takeyoshi Kataoka | 2011-05-17 |
| 7907480 | Optical disk apparatus with an improved track jump performance | Takeyoshi Kataoka | 2011-03-15 |
| 7869321 | Optical disk device and optical disk discriminating method | Takeyoshi Kataoka | 2011-01-11 |