Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5345269 | Adaptive prediction encoding device which can effectively refresh an encoded signal with an encoding efficiency kept high | Toru Shibuya | 1994-09-06 |
| 5323188 | DPCM predictive encoder | Toru Shibuya | 1994-06-21 |