Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7200795 | Method of encoding and decoding | Aalbert Stek, Martinus Wilhelmus Blum | 2007-04-03 |
| 7167438 | Optical disc with different wobble patterns in different grooves | Jacobus Petrus Josephus Heemskerk, Aalbert Stek, Shigeru Furumiya, Hiromichi Ishibashi, Junichi Minamino +3 more | 2007-01-23 |
| 7158472 | Record carrier and apparatus for scanning the record carrier | Aalbert Stek, Constant Paul Marie Jozef Baggen, Koen Vanhoof, Tamotsu Yamagami, Shoei Kobayashi +2 more | 2007-01-02 |
| 7123557 | Disc-shaped recording medium disc driving device and method and apparatus for producing disc | Jacobus Petrus Josephus Heemskerk, Aalbert Stek, Shinichi Tanaka, Hiromichi Ishibashi, Shigeru Furumiya +3 more | 2006-10-17 |
| 7113467 | Record carrier with a servo track having wobble with reduced cross-talk and an apparatus for scanning the record carrier | — | 2006-09-26 |
| 7110332 | Record carrier having a servo track with position information in accordance with a modulation type and permanent information in accordance with a different modulation type, and apparatus for scanning the record carrier | Aalbert Stek, Jacobus Petrus Josephus Heemskerk | 2006-09-19 |
| 7085209 | Record carrier having a servo track with non-modulated parts at a first frequency and modulated parts at a second frequency, and apparatus for scanning the record carrier | Aalbert Stek, Hendrik Van Houten | 2006-08-01 |
| 7046596 | Record carrier having an improved modulated servo track for more reliable synchronization and an apparatus for scanning the record carrier | Aalbert Stek, Hendrik Van Houten | 2006-05-16 |
| 6999391 | Disc driving device and wobble information detection method | Jacobus Petrus Josephus Heemskerk, Aalbert Stek, Shinichi Tanaka, Shigeru Furumiya, Shoei Kobayashi +1 more | 2006-02-14 |
| 6952381 | Record carrier including a servo track having first and second modulated parts representing a data type and a word sync type, respectively, and an apparatus for scanning the record carrier | Aalbert Stek | 2005-10-04 |
| 5936402 | Magneto-resistive magnetic field sensor with a constricted region | Martinus A. M. Gijs | 1999-08-10 |