Issued Patents All Time
Showing 51–57 of 57 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373499 | Multilayer optical disk and system having multiple optical paths include identical total disk substrate thickness | Wayne Isami Imaino, Hal J. Rosen, Timothy Carl Strand | 1994-12-13 |
| 5255262 | Multiple data surface optical data storage system with transmissive data surfaces | Margaret E. Best, Hal J. Rosen, Timothy Carl Strand | 1993-10-19 |
| 5242784 | System and method for optical phase change recording | Martin Chen | 1993-09-07 |
| 5202875 | Multiple data surface optical data storage system | Hal J. Rosen, Glenn T. Sincerbox, Timothy Carl Strand, James M. Zavislan | 1993-04-13 |
| 5196701 | High-resolution detection of material property variations | John S. Foster, Jaquelin K. Spong | 1993-03-23 |
| 4916688 | Data storage method using state transformable materials | John S. Foster, Daniel Rugar | 1990-04-10 |
| 4787077 | Process for optically storing information using materials having a single phase in both the crystalline state and the amorphous state | Roger W. Barton, Martin Chen, Charles R. Davis, Grace Gorman, Vincent Marrello | 1988-11-22 |