Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706488 | OFDM frame synchronisation algorithm | Nongji Chen, Robert Heaton | 2010-04-27 |
| 6961705 | Information processing apparatus, information processing method, and storage medium | Seiichi Aoyagi, Yasuharu Asano, Jun Yokono, Toshio OE | 2005-11-01 |
| 6826528 | Weighted frequency-channel background noise suppressor | Duanpei Wu, Xavier Menendez-Pidal | 2004-11-30 |
| 6768979 | Apparatus and method for noise attenuation in a speech recognition system | Xavier Menendez-Pidal, Ruxin Chen | 2004-07-27 |
| 6751588 | Method for performing microphone conversions in a speech recognition system | Xavier Menendez-Pidal, Duanpei Wu | 2004-06-15 |
| 6718302 | Method for utilizing validity constraints in a speech endpoint detector | Duanpei Wu, Ruxin Chen, Lex Olorenshaw | 2004-04-06 |
| 6272460 | Method for implementing a speech verification system for use in a noisy environment | Duanpei Wu, Lex Olorenshaw | 2001-08-07 |
| 6253174 | Speech recognition system that restarts recognition operation when a new speech signal is entered using a talk switch | Kazuo Ishii, Eiji Yamamoto, Hiroshi Kakuda, Yasuharu Asano, Hiroaki Ogawa +2 more | 2001-06-26 |
| 6230122 | Speech detection with noise suppression based on principal components analysis | Duanpei Wu, Mariscela Amador-Hernandez | 2001-05-08 |
| 6216103 | Method for implementing a speech recognition system to determine speech endpoints during conditions with background noise | Duanpei Wu, Ruxin Chen, Lex Olorenshaw | 2001-04-10 |
| 6173258 | Method for reducing noise distortions in a speech recognition system | Xavier Menendez-Pidal, Ruxin Chen, Duanpei Wu | 2001-01-09 |
| 6067521 | Interrupt correction of speech recognition for a navigation device | Kazuo Ishii, Eiji Yamamoto, Hiroshi Kakuda, Yasuharu Asano, Hiroaki Ogawa +2 more | 2000-05-23 |
| 6064323 | Navigation apparatus, navigation method and automotive vehicles | Kazuo Ishii, Eiji Yamamoto, Hiroshi Kakuda, Yasuharu Asano, Hiroaki Ogawa +2 more | 2000-05-16 |
| 6006186 | Method and apparatus for a parameter sharing speech recognition system | Ruxin Chen, Duanpei Wu, Lex Olorenshaw | 1999-12-21 |
| 5991721 | Apparatus and method for processing natural language and apparatus and method for speech recognition | Yasuharu Asano, Masao Watari, Makoto Akabane, Tetsuya Kagami, Kazuo Ishii +3 more | 1999-11-23 |
| 5963892 | Translation apparatus and method for facilitating speech input operation and obtaining correct translation thereof | Hiroaki Ogawa, Yasuhiko Kato, Tetsuya Kagami, Masao Watari, Makoto Akabane +3 more | 1999-10-05 |
| 5956684 | Voice recognition apparatus, voice recognition method, map displaying apparatus, map displaying method, navigation apparatus, navigation method and car | Kazuo Ishii, Eiji Yamamoto, Hiroshi Kakuda, Yasuharu Asano, Hiroaki Ogawa +2 more | 1999-09-21 |
| 5848389 | Speech recognizing method and apparatus, and speech translating system | Yasuharu Asano, Hiroaki Ogawa, Yasuhiko Kato, Tetsuya Kagami, Masao Watari +3 more | 1998-12-08 |
| 5796921 | Mapping determination methods and data discrimination methods using the same | Katsuki Minamino, Masao Watari, Kazuo Ishii, Yasuhiko Kato, Hiroaki Ogawa +3 more | 1998-08-18 |
| H1646 | Speech recognition adapter for telephone system | Yasuhiko Kato, Masao Watari | 1997-05-06 |
| 5561722 | Pattern matching method and pattern recognition apparatus | Masao Watari, Yasuhiko Kato | 1996-10-01 |
| 5390280 | Speech recognition apparatus | Yasuhiko Kato, Masao Watari, Akihiko Fujinaka | 1995-02-14 |
| 5355432 | Speech recognition system | Masao Watari, Yasuhiko Kato | 1994-10-11 |