| Patent | Date |
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Hearing aid
Grant 8,565,456 - Nishizaki , et al. October 22, 2 | 2013-10-22 |
Hearing aid
Grant 8,542,856 - Nakatoh , et al. September 24, 2 | 2013-09-24 |
Vehicle-in-blind-spot detecting apparatus and method thereof
Grant 8,525,654 - Yoshizawa , et al. September 3, 2 | 2013-09-03 |
Sound determination device, sound detection device, and sound determination method for determining frequency signals of a to-be-extracted sound included in a mixed sound
Grant 8,352,274 - Yoshizawa , et al. January 8, 2 | 2013-01-08 |
Target sound analysis apparatus, target sound analysis method and target sound analysis program
Grant 8,223,978 - Yoshizawa , et al. July 17, 2 | 2012-07-17 |
Emotion recognition apparatus
Grant 8,204,747 - Kato , et al. June 19, 2 | 2012-06-19 |
Sound source position detector
Grant 8,184,827 - Yoshizawa , et al. May 22, 2 | 2012-05-22 |
Hearing Aid
App 20120114155 - NISHIZAKI; Makoto ; et al. | 2012-05-10 |
Hearing aid
Grant 8,170,247 - Nishizaki , et al. May 1, 2 | 2012-05-01 |
Audio source direction detecting device
Grant 8,155,346 - Yoshizawa , et al. April 10, 2 | 2012-04-10 |
Hearing Aid
App 20120020506 - Nakatoh; Yoshihisa ; et al. | 2012-01-26 |
Mixed audio separation apparatus
Grant 7,974,420 - Yoshizawa , et al. July 5, 2 | 2011-07-05 |
Hearing Aid
App 20110091056 - Nishizaki; Makoto ; et al. | 2011-04-21 |
Audio Source Direction Detecting Device
App 20100303254 - Yoshizawa; Shinichi ; et al. | 2010-12-02 |
Sound Determination Device, Sound Detection Device, And Sound Determination Method
App 20100215191 - YOSHIZAWA; Shinichi ; et al. | 2010-08-26 |
Vehicle-in-blind-spot Detecting Apparatus And Method Thereof
App 20100214086 - YOSHIZAWA; Shinichi ; et al. | 2010-08-26 |
Sound Determination Device, Sound Determination Method, And Sound Determination Program
App 20100208902 - Yoshizawa; Shinichi ; et al. | 2010-08-19 |
Speech recognition device and speech recognition method
Grant 7,711,560 - Yamada , et al. May 4, 2 | 2010-05-04 |
Sound Determination Device, Sound Detection Device, And Sound Determination Method
App 20100030562 - Yoshizawa; Shinichi ; et al. | 2010-02-04 |
Emotion Recognition Apparatus
App 20090313019 - Kato; Yumiko ; et al. | 2009-12-17 |
Sound Source Localization Device
App 20090285409 - Yoshizawa; Shinichi ; et al. | 2009-11-19 |
Audio restoration apparatus and audio restoration method
Grant 7,536,303 - Yoshizawa , et al. May 19, 2 | 2009-05-19 |
Mixed audio separation apparatus
App 20090067647 - Yoshizawa; Shinichi ; et al. | 2009-03-12 |
Sound identification apparatus
Grant 7,473,838 - Suzuki , et al. January 6, 2 | 2009-01-06 |
Target sound analysis apparatus, target sound analysis method and target sound analysis program
App 20080304672 - Yoshizawa; Shinichi ; et al. | 2008-12-11 |
Speech recognition apparatus and speech recognition method
Grant 7,310,601 - Nishizaki , et al. December 18, 2 | 2007-12-18 |
Sound identification apparatus
App 20070192099 - Suzuki; Tetsu ; et al. | 2007-08-16 |
Multistage inverse quantization having a plurality of frequency bands
Grant 7,243,061 - Norimatsu , et al. July 10, 2 | 2007-07-10 |
Audio restoration apparatus and audio restoration method
App 20060193671 - Yoshizawa; Shinichi ; et al. | 2006-08-31 |
Speech recognition apparatus and speech recognition method
App 20060100876 - Nishizaki; Makoto ; et al. | 2006-05-11 |
Speech recognition device and speech recognition method
App 20050256712 - Yamada, Maki ; et al. | 2005-11-17 |
Multistage inverse quantization having the plurality of frequency bands
Grant 6,904,404 - Norimatsu , et al. June 7, 2 | 2005-06-07 |
Multistage inverse quantization having the plurality of frequency bands
App 20050060147 - Norimatsu, Takeshi ; et al. | 2005-03-17 |
Method of speaker normalization for speech recognition using frequency conversion and speech recognition apparatus applying the preceding method
App 20040117181 - Morii, Keiko ; et al. | 2004-06-17 |
Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus
Grant 6,477,490 - Nakatoh , et al. November 5, 2 | 2002-11-05 |
Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus
App 20010044727 - Nakatoh, Yoshihisa ; et al. | 2001-11-22 |
Speech recognition method and apparatus using frequency warping of linear prediction coefficients
Grant 6,311,153 - Nakatoh , et al. October 30, 2 | 2001-10-30 |
Apparatus for expanding narrowband speech to wideband speech by codebook correspondence of linear mapping functions
Grant 5,978,759 - Tsushima , et al. November 2, 1 | 1999-11-02 |
Method and an apparatus for speech detection for determining whether an input signal is speech or nonspeech
Grant 5,611,019 - Nakatoh , et al. March 11, 1 | 1997-03-11 |
Apparatus for and method of generating a timing signal
Grant 5,040,234 - Yamamoto , et al. August 13, 1 | 1991-08-13 |
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