Issued Patents All Time
Showing 26–50 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7860721 | Audio encoding device, decoding device, and method capable of flexibly adjusting the optimal trade-off between a code rate and sound quality | Yoshiaki Takagi, Kojiro Ono, Naoya Tanaka, Shuji Miyasaka | 2010-12-28 |
| 7848931 | Audio encoder | Shuji Miyasaka, Yoshiaki Takagi, Naoya Tanaka | 2010-12-07 |
| 7783496 | Encoding device and decoding device | Takeshi Norimatsu, Kosuke Nishio, Naoya Tanaka | 2010-08-24 |
| 7756713 | Audio signal decoding device which decodes a downmix channel signal and audio signal encoding device which encodes audio channel signals together with spatial audio information | Kok Seng Chong, Naoya Tanaka, Sua Hong Neo | 2010-07-13 |
| 7657429 | Coding apparatus and coding method for coding with reference to a codebook | — | 2010-02-02 |
| 7555434 | Audio decoding device, decoding method, and program | Toshiyuki Nomura, Osamu Shimada, Yuichiro Takamizawa, Masahiro Serizawa, Naoya Tanaka +4 more | 2009-06-30 |
| 7509254 | Encoding device and decoding device | Takeshi Norimatsu, Kosuke Nishio, Naoya Tanaka | 2009-03-24 |
| 7392176 | Encoding device, decoding device and audio data distribution system | Kosuke Nishio, Takeshi Norimatsu, Naoya Tanaka | 2008-06-24 |
| 7328160 | Encoding device and decoding device | Kosuke Nishio, Takeshi Norimatsu, Naoya Tanaka | 2008-02-05 |
| 7308401 | Encoding device and decoding device | Takeshi Norimatsu, Kosuke Nishio, Naoya Tanaka | 2007-12-11 |
| 7283967 | Encoding device decoding device | Kosuke Nishio, Naoya Tanaka, Takeshi Norimatsu | 2007-10-16 |
| 7269550 | Encoding device and decoding device | Takeshi Norimatsu, Naoya Tanaka | 2007-09-11 |
| 7260541 | Audio signal decoding device and audio signal encoding device | Takeshi Norimatsu, Naoya Tanaka, Kosuke Nishio | 2007-08-21 |
| 7246065 | Band-division encoder utilizing a plurality of encoding units | Naoya Tanaka, Takeshi Norimatsu | 2007-07-17 |
| 7243061 | Multistage inverse quantization having a plurality of frequency bands | Takeshi Norimatsu, Shuji Miyasaka, Yoshihisa Nakatoh, Tomokazu Ishikawa | 2007-07-10 |
| 7139702 | Encoding device and decoding device | Takeshi Norimatsu, Kosuke Nishio, Naoya Tanaka | 2006-11-21 |
| 7069212 | Audio decoding apparatus and method for band expansion with aliasing adjustment | Naoya Tanaka, Osamu Shimada, Takeshi Norimatsu, Kok Seng Chong, Kim Hann Kuah +4 more | 2006-06-27 |
| 7058571 | Audio decoding apparatus and method for band expansion with aliasing suppression | Naoya Tanaka, Takeshi Norimatsu, Kok Seng Chong, Kim Hann Kuah, Sua Hong Neo +4 more | 2006-06-06 |
| 6999828 | Parallel signal processing device for a portable audio system | Shuji Miyasaka, Takeshi Norimatsu, Tomokazu Ishikawa, Yoshiaki Sawada | 2006-02-14 |
| 6922667 | Encoding apparatus and decoding apparatus | Takeshi Norimatsu | 2005-07-26 |
| 6917712 | Encoding apparatus and decoding apparatus | Takeshi Norimatsu, Shuji Miyasaka, Tomokazu Ishikawa, Yoshiaki Sawada | 2005-07-12 |
| 6904404 | Multistage inverse quantization having the plurality of frequency bands | Takeshi Norimatsu, Shuji Miyasaka, Yoshihisa Nakatoh, Tomokazu Ishikawa | 2005-06-07 |
| 6898615 | Signal processing unit and signal processing method including using an exponent part and a mantissa part for power generation | Shuji Miyasaka, Takeshi Norimatsu, Tomokazu Ishikawa, Yoshiaki Sawada | 2005-05-24 |
| 6871106 | Audio signal coding apparatus, audio signal decoding apparatus, and audio signal coding and decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu | 2005-03-22 |
| 6826526 | AUDIO SIGNAL CODING METHOD, DECODING METHOD, AUDIO SIGNAL CODING APPARATUS, AND DECODING APPARATUS WHERE FIRST VECTOR QUANTIZATION IS PERFORMED ON A SIGNAL AND SECOND VECTOR QUANTIZATION IS PERFORMED ON AN ERROR COMPONENT RESULTING FROM THE FIRST VECTOR QUANTIZATION | Takeshi Norimatsu, Shuji Miyasaka, Yoshihisa Nakato, Tomokazu Ishikawa | 2004-11-30 |