Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477490 | Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus | Yoshihisa Nakatoh, Takeshi Norimatsu, Mineo Tsushima, Tomokazu Ishikawa, Taro Katayama +2 more | 2002-11-05 |
| 6408079 | Distortion removal apparatus, method for determining coefficient for the same, and processing speaker system, multi-processor, and amplifier including the same | Taro Katayama | 2002-06-18 |