Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4551773 | Encoding and decoding apparatus and method utilizing hierarchical code substitution | Martin Cohn, Jorgen P. Vinding | 1985-11-05 |
| 4544963 | Read signal detection in ternary 3PM magnetic recording | Allan Schwartz | 1985-10-01 |
| 4506252 | Ternary data encoding system | Martin Cohn | 1985-03-19 |
| 4482927 | Ternary magnetic recording and reproducing system with simultaneous overwrite | Hartvig E. Melbye | 1984-11-13 |
| 4337458 | Data encoding method and system employing two-thirds code rate with full word look-ahead | Martin Cohn, Charles Anthony Bates | 1982-06-29 |
| 4323931 | Method and apparatus for encoding and recovering binary digital data | — | 1982-04-06 |
| 4266204 | Delay line signal equalizer for magnetic recording signal detection circuits | — | 1981-05-05 |
| 4202017 | Magnetic recording signal equalization apparatus | Arthur P. Geffon | 1980-05-06 |