loadpatents
Patent applications and USPTO patent grants for KAWAMURA; Akihisa.The latest application filed is for "building material".
Patent | Date |
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Building Material App 20220248114 - KAWAMURA; Akihisa ;   et al. | 2022-08-04 |
Direction Of Arrival Estimation Device, System, And Direction Of Arrival Estimation Method App 20220120839 - MARS; Rohith ;   et al. | 2022-04-21 |
Acoustic Object Extraction Device And Acoustic Object Extraction Method App 20210183356 - MARS; Rohith ;   et al. | 2021-06-17 |
Coding Apparatus And Coding Method App 20200294512 - EHARA; HIROYUKI ;   et al. | 2020-09-17 |
Coding apparatus and coding method Grant 10,777,209 - Ehara , et al. Sept | 2020-09-15 |
Speaker device Grant 10,491,984 - Honda , et al. Nov | 2019-11-26 |
Speaker device Grant 10,462,553 - Matsumura , et al. Oc | 2019-10-29 |
Speaker Device App 20180279039 - MATSUMURA; TOSHIYUKI ;   et al. | 2018-09-27 |
Speaker Device App 20180249243 - HONDA; KAZUKI ;   et al. | 2018-08-30 |
Speaker Device App 20180242061 - HONDA; KAZUKI ;   et al. | 2018-08-23 |
Signal processing method and speaker system Grant 9,820,047 - Kawamura , et al. November 14, 2 | 2017-11-14 |
Speaker device Grant 9,774,935 - Matsumura , et al. September 26, 2 | 2017-09-26 |
Speaker Device App 20170064421 - MATSUMURA; TOSHIYUKI ;   et al. | 2017-03-02 |
Signal Processing Method And Speaker System App 20170064448 - KAWAMURA; AKIHISA ;   et al. | 2017-03-02 |
Signal processing device Grant 8,284,961 - Miyasaka , et al. October 9, 2 | 2012-10-09 |
Multi-channel acoustic signal processing device Grant 8,184,817 - Takagi , et al. May 22, 2 | 2012-05-22 |
Audio signal coding method and decoding method Grant 8,160,890 - Tsushima , et al. April 17, 2 | 2012-04-17 |
Audio decoder Grant 8,081,764 - Takagi , et al. December 20, 2 | 2011-12-20 |
Acoustic signal processing apparatus and acoustic signal processing method Grant 8,073,703 - Miyasaka , et al. December 6, 2 | 2011-12-06 |
Energy shaping apparatus and energy shaping method Grant 8,019,614 - Takagi , et al. September 13, 2 | 2011-09-13 |
Receiving apparatus, sending apparatus and transmission system Grant 7,917,237 - Kawamura , et al. March 29, 2 | 2011-03-29 |
Stream reproduction device and stream supply device Grant 7,844,355 - Yahata , et al. November 30, 2 | 2010-11-30 |
Stream Reproduction Device And Stream Supply Device App 20100292820 - YAHATA; HIROSHI ;   et al. | 2010-11-18 |
Audio Decoder App 20100235171 - Takagi; Yosiaki ;   et al. | 2010-09-16 |
Transmission method, transmission system, sending device and reception device Grant 7,714,934 - Ejima , et al. May 11, 2 | 2010-05-11 |
Audio Signal Coding Method And Decoding Method App 20100042415 - Tsushima; Mineo ;   et al. | 2010-02-18 |
Multi-channel Acoustic Signal Processing Device App 20090262949 - Takagi; Yoshiaki ;   et al. | 2009-10-22 |
Acoustic Signal Processing Apparatus And Acoustic Signal Processing Method App 20090240503 - Miyasaka; Shuji ;   et al. | 2009-09-24 |
Energy Shaping Apparatus And Energy Shaping Method App 20090234657 - Takagi; Yoshiaki ;   et al. | 2009-09-17 |
Signal Processing Device App 20090122182 - Miyasaka; Shuji ;   et al. | 2009-05-14 |
Distribution system Grant 7,509,179 - Matsumoto , et al. March 24, 2 | 2009-03-24 |
Data transmitting method, data receiving method, data transmitting device, and data receiving device Grant 7,394,499 - Okamoto , et al. July 1, 2 | 2008-07-01 |
Stream Reproduction Device and Stream Supply Device App 20070225840 - Yahata; Hiroshi ;   et al. | 2007-09-27 |
Signal processing apparatus, signal processing method, program and recording medium Grant 7,236,838 - Katayama , et al. June 26, 2 | 2007-06-26 |
Data transmission method, data receiving method, video data transmission apparatus and video data receiving apparatus Grant 7,230,650 - Okamoto , et al. June 12, 2 | 2007-06-12 |
Error correction encoding and decoding methods and apparatuses for DVI audio data Grant 7,225,388 - Ejima , et al. May 29, 2 | 2007-05-29 |
Error correction encoding and decoding methods and apparatuses for DVI audio data Grant 7,188,298 - Ejima , et al. March 6, 2 | 2007-03-06 |
Receiving apparatus, sending apparatus and transmission system App 20060288851 - Kawamura; Akihisa ;   et al. | 2006-12-28 |
Transmission method, transmission system, sending device and reception device App 20060285012 - Ejima; Naoki ;   et al. | 2006-12-21 |
Transmission method of digital audio data with video data Grant 7,129,991 - Ejima , et al. October 31, 2 | 2006-10-31 |
Coding device, coding method, program and recording medium Grant 7,106,943 - Katayama , et al. September 12, 2 | 2006-09-12 |
Compressed code decoding device and audio decoding device Grant 7,069,223 - Matsumoto , et al. June 27, 2 | 2006-06-27 |
Receiver for receiving audio data and audio-related information Grant 7,069,224 - Kawamura , et al. June 27, 2 | 2006-06-27 |
Reproduction apparatus and music delivery system Grant 7,050,870 - Sueyoshi , et al. May 23, 2 | 2006-05-23 |
Error-correction coding method, error-correction decoding method, error-correction coding apparatus, and error-correction decoding apparatus App 20060107183 - Ejima; Naoki ;   et al. | 2006-05-18 |
Audio information provision system Grant 6,938,209 - Ogawa , et al. August 30, 2 | 2005-08-30 |
Digital interface device Grant 6,931,371 - Sueyoshi , et al. August 16, 2 | 2005-08-16 |
Encoding device and decoding device Grant 6,904,089 - Sueyoshi , et al. June 7, 2 | 2005-06-07 |
Audio and video processing apparatus Grant 6,847,687 - Fujita , et al. January 25, 2 | 2005-01-25 |
Audio signal processing device and audio signal high-rate reproduction method used for audio visual equipment Grant 6,823,310 - Ishito , et al. November 23, 2 | 2004-11-23 |
Error correction encoding method, error correction decoding method, error correction encoding apparatus, and error correction decoding apparatus App 20040153933 - Ejima, Naoki ;   et al. | 2004-08-05 |
Method of transmitting data among a plurality of LSIs, and recording medium reproducing apparatus using the method Grant 6,760,286 - Kawamura , et al. July 6, 2 | 2004-07-06 |
Signal processor Grant 6,751,177 - Abe , et al. June 15, 2 | 2004-06-15 |
Data transmitting method, data receiving method, data transmitting device, and data receiving device App 20040095509 - Okamoto, Hiroshige ;   et al. | 2004-05-20 |
Decoding circuit and reproduction apparatus which mutes audio after header parameter changes Grant 6,631,352 - Fujita , et al. October 7, 2 | 2003-10-07 |
Apparatus and Method for Audio Data/Audio-Related Information Transfer App 20030171935 - KAWAMURA, Akihisa ;   et al. | 2003-09-11 |
Transmission method, transmission system, sending device and reception device App 20030169370 - Ejima, Naoki ;   et al. | 2003-09-11 |
Data transmitting method and receiving method, and video data transmitting device and receiving device App 20030147005 - Okamoto, Hiroshige ;   et al. | 2003-08-07 |
Apparatus and method for audio data/audio-related information transfer Grant 6,584,443 - Kawamura , et al. June 24, 2 | 2003-06-24 |
Method of transmitting data among a plurality of LSIs, and recording medium reproducing apparatus using the method App 20030014565 - Kawamura, Akihisa ;   et al. | 2003-01-16 |
Audio information provision system App 20020130898 - Ogawa, Michiko ;   et al. | 2002-09-19 |
Signal processing apparatus, signal processing method, program and recording medium App 20020055796 - Katayama, Takashi ;   et al. | 2002-05-09 |
Audio encoder, audio decoder, and broadcasting system App 20020049586 - Nishio, Kousuke ;   et al. | 2002-04-25 |
Reproduction apparatus and music delivery system App 20020049509 - Sueyoshi, Masahiro ;   et al. | 2002-04-25 |
Reproduction apparatus and reproduction method App 20020041547 - Katayama, Takashi ;   et al. | 2002-04-11 |
Audio decoding apparatus, signal processing device, sound image localization device, sound image control method, audio signal processing device, and audio signal high-rate reproduction method used for audio visual equipment App 20020035407 - Ishito, Tsukuru ;   et al. | 2002-03-21 |
Coding device, coding method, program and recording medium App 20020034376 - Katayama, Takashi ;   et al. | 2002-03-21 |
Exponential calculation device and decoding device App 20020032712 - Miyasaka, Shuji ;   et al. | 2002-03-14 |
Audio Decoding Apparatus, Signal Processing Device, Sound Image Localization Device, Sound Image Control Method, Audio Signal Processing Device, And Audio Signal High-rate Reproduction Method Used For Audio Visual Equipment Grant 6,356,639 - Ishito , et al. March 12, 2 | 2002-03-12 |
Distribution system App 20020025141 - Matsumoto, Masaharu ;   et al. | 2002-02-28 |
Digital interface device App 20020026255 - Sueyoshi, Masahiro ;   et al. | 2002-02-28 |
Signal processing device and signal processing method App 20020003765 - Matsumoto, Masaharu ;   et al. | 2002-01-10 |
Encoder and communication device App 20010050959 - Nishio, Kosuke ;   et al. | 2001-12-13 |
Audio and video processing apparatus App 20010031007 - Fujita, Takeshi ;   et al. | 2001-10-18 |
Decoding device Grant 6,295,319 - Sueyoshi , et al. September 25, 2 | 2001-09-25 |
Optical disk Grant 6,262,965 - Shimbo , et al. July 17, 2 | 2001-07-17 |
Audio decoding device and signal processing device for decoding multi-channel signals with reduced memory requirements Grant 6,233,562 - Sueyoshi , et al. May 15, 2 | 2001-05-15 |
Compressed code decoding device and audio decoding device Grant 6,118,821 - Matsumoto , et al. September 12, 2 | 2000-09-12 |
Sound field and sound image control apparatus and method Grant 5,796,845 - Serikawa , et al. August 18, 1 | 1998-08-18 |
Sound field controller and control method Grant 5,742,688 - Ogawa , et al. April 21, 1 | 1998-04-21 |
Sound field and sound image control apparatus and method Grant 5,684,881 - Serikawa , et al. November 4, 1 | 1997-11-04 |
Feedback detector and suppressor Grant 5,677,987 - Seki , et al. October 14, 1 | 1997-10-14 |
Sound reproduction system and a sound reproduction method Grant 5,617,478 - Tagami , et al. April 1, 1 | 1997-04-01 |
Sound field controller Grant 5,572,591 - Numazu , et al. November 5, 1 | 1996-11-05 |
Sound amplifying apparatus with automatic howl-suppressing function Grant 5,442,712 - Kawamura , et al. August 15, 1 | 1995-08-15 |
Sound field controller Grant 5,381,482 - Matsumoto , et al. January 10, 1 | 1995-01-10 |
Music/voice discriminating apparatus Grant 5,375,188 - Serikawa , et al. December 20, 1 | 1994-12-20 |
Sound field variable apparatus Grant 5,233,661 - Kawamura , et al. August 3, 1 | 1993-08-03 |
Reflection sound compression apparatus Grant 5,144,673 - Matsumoto , et al. September 1, 1 | 1992-09-01 |
Sound field control system Grant 5,123,050 - Serikawa , et al. June 16, 1 | 1992-06-16 |
Sound field control apparatus Grant 5,073,942 - Yoshida , et al. December 17, 1 | 1991-12-17 |
Apparatus for changing a sound field Grant 5,023,913 - Matsumoto , et al. June 11, 1 | 1991-06-11 |
Calculation of filter factors for digital filter Grant 4,896,285 - Ishikawa , et al. January 23, 1 | 1990-01-23 |
Digital equalizer apparatus enabling separate phase and amplitude characteristic modification Grant 4,888,808 - Ishikawa , et al. December 19, 1 | 1989-12-19 |
Apparatus and method for controlling tone quality Grant 4,751,739 - Serikawa , et al. June 14, 1 | 1988-06-14 |
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