Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6985670 | Digital VCR with trick play mode | — | 2006-01-10 |
| 6115532 | Digital VCR with trick play image control | — | 2000-09-05 |
| 5956318 | Orthogonal frequency division multiplexing | — | 1999-09-21 |
| 5304854 | Signal transient improvement circuit | Kazuyo Aoki | 1994-04-19 |
| 4809060 | Hanging dot reduction arrangement | — | 1989-02-28 |
| 4429376 | Video disc stylus deflector system | — | 1984-01-31 |