Issued Patents All Time
Showing 26–50 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7580759 | Systems and methods for in-situ recording head burnishing | Bruno Marchon, Charles Mathew Mate, Bernhard E. Knigge | 2009-08-25 |
| 7009812 | Magnetic transducer for perpendicular magnetic recording with single pole write head with trailing shield | Yimin Hsu, Quang Le, Hin P. E. Lee, James L. Nix, Aron Pentek +4 more | 2006-03-07 |
| 5905700 | Multiple data layer optical disk with recorded information identifying the type of tracking | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1999-05-18 |
| 5761188 | Optical data storage system with multiple rewritable phase change recording layers | Hal J. Rosen, Wade Wai-Chung Tang | 1998-06-02 |
| 5745473 | Multiple data layer optical disk with recorded information identifying the type of tracking | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1998-04-28 |
| 5666344 | Multiple data surface optical data storage system | Wayne Isami Imaino, Hal J. Rosen, Timothy Carl Strand, Wade Wai-Chung Tang | 1997-09-09 |
| 5644555 | Multiple data surface magneto-optical data storage system | Terry McDaniel, Harris Anthony Notarys, Hal J. Rosen | 1997-07-01 |
| 5627817 | Optical disk data storage system with multiple write-once dye-based data layers | Hal J. Rosen, Wade Wai-Chung Tang | 1997-05-06 |
| 5625609 | Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing | Milton Russell Latta, Hal J. Rosen, Wade Wai-Chung Tang | 1997-04-29 |
| 5615186 | Multiple data surface data storage system with holographic filter element | Hal J. Rosen, Timothy Carl Strand | 1997-03-25 |
| 5610901 | Multiple data surface optical data storage system | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1997-03-11 |
| 5606546 | Optical data storage medium with multiple writable data layers separated by dieletric layers | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1997-02-25 |
| 5598398 | Multiple data surface optical data storage system | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1997-01-28 |
| 5586107 | Multiple data surface optical data storage system | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1996-12-17 |
| 5555537 | Optical data storage system with multiple write-once phase-change recording layers | Wayne Isami Imaino, Hal J. Rosen, Wade Wai-Chung Tang | 1996-09-10 |
| 5530688 | Optical disk recording device using two modulated laser beams for recording information data | Jerry E. Hurst, Jr., Yenyu Hsieh | 1996-06-25 |
| 5513170 | Multiple data surface optical data storage system | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1996-04-30 |
| 5510164 | Single-sided ablative worm optical disk with multilayer protective coating | Margaret E. Best, Paul B. Comita, Takao Suzuki, Wade Wai-Chung Tang, Yu-Sze Yen | 1996-04-23 |
| 5487060 | Multiple data surface data storage system and method | Hal J. Rosen, Timothy Carl Strand | 1996-01-23 |
| 5449590 | Multiple data surface optical data storage system | Wayne Isami Imaino, Hal J. Rosen, Timothy Carl Strand, Wade Wai-Chung Tang | 1995-09-12 |
| 5446723 | Multiple data surface optical data storage system | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1995-08-29 |
| 5420834 | Optical disk recorders using disks coatings close to outer surfaces with optical path extending through a thick transparent substrate | Blair I. Finkelstein, Andrew A. Gaudet, Terry McDaniel, Hal J. Rosen, Timothy Carl Strand | 1995-05-30 |
| 5410530 | Multiple data surface optical data storage system | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1995-04-25 |
| 5392262 | Two-sided optical disks having recording layers disposed close to outer surfaces and spaced axially apart a greater distance and devices for using the disks | Blair I. Finkelstein, Andrew A. Gaudet, Terry McDaniel, Hal A. Rosen, Timothy Carl Strand | 1995-02-21 |
| 5381401 | Multiple data surface optical data storage system | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1995-01-10 |