Issued Patents All Time
Showing 76–81 of 81 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666344 | Multiple data surface optical data storage system | Hal J. Rosen, Kurt A. Rubin, Timothy Carl Strand, Wade Wai-Chung Tang | 1997-09-09 |
| 5555537 | Optical data storage system with multiple write-once phase-change recording layers | Hal J. Rosen, Kurt A. Rubin, Wade Wai-Chung Tang | 1996-09-10 |
| 5499231 | Optical disk drive with multiple data layer disk and system for focusing the optical beam | Alan A. Fennema, Hal J. Rosen | 1996-03-12 |
| 5449590 | Multiple data surface optical data storage system | Hal J. Rosen, Kurt A. Rubin, Timothy Carl Strand, Wade Wai-Chung Tang | 1995-09-12 |
| 5373499 | Multilayer optical disk and system having multiple optical paths include identical total disk substrate thickness | Hal J. Rosen, Kurt A. Rubin, Timothy Carl Strand | 1994-12-13 |
| 4577503 | Method and device for detecting a specific acoustic spectral feature | Andrew Ching Tam | 1986-03-25 |