Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5247646 | Compressed data optical disk storage system | Michael G. Johnson | 1993-09-21 |
| 5034914 | Optical disk data storage method and apparatus with buffered interface | — | 1991-07-23 |
| 4775969 | Optical disk storage format, method and apparatus for emulating a magnetic tape drive | — | 1988-10-04 |