Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7336566 | Method and apparatus for track type identification, and method of track jump | Christian Buchler, Stefan Kimmelmann | 2008-02-26 |
| 7280459 | Device for correcting signal modulations | Lieu-Kim Dang | 2007-10-09 |
| 6678222 | Apparatus for reading from or writing to optical recording media having a tilting-compensation device | Lieu-Kim Dang | 2004-01-13 |
| 5325350 | Pick-up for selectively reading and writing an optical recording medium having pits and magnetic domains | Yasuaki Morimoto, Friedhelm Zucker, Christian Buchler | 1994-06-28 |
| 5251196 | Optical pick-up selectively reading and writing an optical and magneto-optical recorded medium | Yasuaki Morimoto, Friedheim Zucker, Christian Buchler | 1993-10-05 |
| 5033041 | A tracking circuit for returning an optical beam to a track being scanned on a compact disk after being jarred away | — | 1991-07-16 |
| 5031162 | Magneto-optical recorded medium with a transparent substrate layer | Yasuaki Morimoto, Friedhelm Zucker, Christian Buchler | 1991-07-09 |
| 5016233 | Optical scanning arrangement for maintaining constant the light output of a laser beam or the laser current | Yasuaki Morimoto, Friedhelm Zucker | 1991-05-14 |