Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887156 | Method and system for transform coding of video signals | — | 1989-12-12 |
| 4851906 | Data compression using orthogonal transform and vector quantization | Toshio Koga | 1989-07-25 |