Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628583 | Method and device for recording information in linking block units | Johannes Hendrikus Maria Spruit, Ronald R. Drenten, Jacobus M. Eradus, Johannes J. L. M. Van Vlerken, Robert Albertus Brondijk +1 more | 2003-09-30 |
| 6603729 | Optical disc having plural zones of constant density | — | 2003-08-05 |
| 6587423 | Optical disc and apparatus for scanning the optical disc | — | 2003-07-01 |
| 6580680 | Optical disc and apparatus for scanning the optical disc | Johannes Hendrikus Maria Spruit, Johannus Bakx, Shoei Kobayashi, Masayuki Arai, Yoshiyuki Akiyama | 2003-06-17 |
| 6549495 | Record carrier, playback device and method of recording information | Johannes Hendrikus Maria Spruit, Johan Paul Marie Gerard Linnartz, Johan Cornelis Talstra | 2003-04-15 |