Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006178 | Speech encoder capable of substantially increasing a codebook size without increasing the number of transmitted bits | Kazunori Ozawa | 1999-12-21 |
| 5787389 | Speech encoder with features extracted from current and previous frames | Kazunori Ozawa | 1998-07-28 |
| 5774840 | Speech coder using a non-uniform pulse type sparse excitation codebook | Masahiro Serizawa | 1998-06-30 |