Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5899970 | Method and apparatus for encoding digital signal method and apparatus for decoding digital signal, and recording medium for encoded signals | — | 1999-05-04 |
| 5901234 | Gain control method and gain control apparatus for digital audio signals | Kyoya Tsutsui | 1999-05-04 |
| 5835030 | Signal encoding method and apparatus using selected predetermined code tables | Kyoya Tsutsui, Osamu Shimoyoshi | 1998-11-10 |
| 5778339 | Signal encoding method, signal encoding apparatus, signal decoding method, signal decoding apparatus, and recording medium | Kyoya Tsutsui, Robert Heddle | 1998-07-07 |
| 5765126 | Method and apparatus for variable length encoding of separated tone and noise characteristic components of an acoustic signal | Kyoya Tsutsui | 1998-06-09 |
| 5754127 | Information encoding method and apparatus, and information decoding method and apparatus | Kyoya Tsutsui | 1998-05-19 |
| 5712955 | Method and apparatus for encoding digital signal, method and apparatus for decoding digital signal, and recording medium for encoded signals | — | 1998-01-27 |
| 5680130 | Information encoding method and apparatus, information decoding method and apparatus, information transmission method, and information recording medium | Kyoya Tsutsui, Osamu Shimoyoshi | 1997-10-21 |
| 5646960 | Inverse modified discrete cosine transform signal transforming system | Kyoya Tsutsui | 1997-07-08 |
| 5640421 | Modified discrete cosine transform signal transforming system | Kyoya Tsutsui | 1997-06-17 |
| 5623557 | Method and apparatus for data encoding and data recording medium | Osamu Shimoyoshi, Kyoya Tsutsui | 1997-04-22 |