Issued Patents All Time
Showing 201–205 of 205 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505964 | Information storage medium and information recording/playback system | Hideo Ando | 2003-01-14 |
| 6141307 | Optical disk discriminating apparatus | — | 2000-10-31 |
| 5978322 | Optical recording medium having a parameter for identifying the format of data and a reproducing device thereof | Nobuhide Sugimoto | 1999-11-02 |
| 5974009 | Focus control device and method for use in multilayer optical disk reproduction system | Masayuki Tamura | 1999-10-26 |
| 5675561 | Optical disc reproducing apparatus with mechanical shock detection | — | 1997-10-07 |