Issued Patents All Time
Showing 25 most recent of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11749289 | Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Haishan Zhong | 2023-09-05 |
| 11341977 | Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Haishan Zhong | 2022-05-24 |
| 10566001 | Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Haishan Zhong | 2020-02-18 |
| 10204632 | Audio/speech encoding apparatus and method, and audio/speech decoding apparatus and method | Zongxian Liu, Masahiro Oshikiri | 2019-02-12 |
| 9881625 | Device and method for execution of huffman coding | Zongxian Liu, Masahiro Oshikiri | 2018-01-30 |
| 9799342 | Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Haishan Zhong | 2017-10-24 |
| 9489962 | Sound signal hybrid encoder, sound signal hybrid decoder, sound signal encoding method, and sound signal decoding method | Takeshi Norimatsu | 2016-11-08 |
| 9424847 | Bandwidth extension parameter generation device, encoding apparatus, decoding apparatus, bandwidth extension parameter generation method, encoding method, and decoding method | Tomokazu Ishikawa, Zong Xian Liu | 2016-08-23 |
| 9275650 | Hybrid audio encoder and hybrid audio decoder which perform coding or decoding while switching between different codecs | Tomokazu Ishikawa, Takeshi Norimatsu, Haishan Zhong, Huan Zhou | 2016-03-01 |
| 9161150 | Audio rendering device and audio rendering method | Takeshi Norimatsu, Lih Horng Tee | 2015-10-13 |
| 9117461 | Coding device, decoding device, coding method, and decoding method for audio signals | Tomokazu Ishikawa, Takeshi Norimatsu, Haishan Zhong, Dan Zhao | 2015-08-25 |
| 9105264 | Coding apparatus and decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou | 2015-08-11 |
| 9093080 | Bandwidth extension method, bandwidth extension apparatus, program, integrated circuit, and audio decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Haishan Zhong | 2015-07-28 |
| 9026236 | Audio signal processing apparatus, audio coding apparatus, and audio decoding apparatus | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Haishan Zhong | 2015-05-05 |
| 8983830 | Stereo signal encoding device including setting of threshold frequencies and stereo signal encoding method including setting of threshold frequencies | Jiong Zhou, Koji Yoshida | 2015-03-17 |
| 8942989 | Speech coding of principal-component channels for deleting redundant inter-channel parameters | Zongxian Liu | 2015-01-27 |
| 8886548 | Audio encoding device, decoding device, method, circuit, and program | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Haishan Zhong | 2014-11-11 |
| 8849655 | Encoder, decoder and methods thereof | Zongxian Liu | 2014-09-30 |
| 8718285 | Decoding device, coding and decoding device, and decoding method | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Zhong Hai Shan | 2014-05-06 |
| 8675450 | Displacement estimating method and displacement estimating apparatus | Anh Tuan Tran, Shu Feng Fan | 2014-03-18 |
| 8504184 | Combination device, telecommunication system, and combining method | Tomokazu Ishikawa, Takeshi Norimatsu, Huan Zhou, Zhong Hai Shan | 2013-08-06 |
| 8504378 | Stereo acoustic signal encoding apparatus, stereo acoustic signal decoding apparatus, and methods for the same | Zongxian Liu | 2013-08-06 |
| 8452587 | Encoder, decoder, and the methods therefor | Zongxian Liu | 2013-05-28 |
| 8374883 | Encoder and decoder using inter channel prediction based on optimally determined signals | Haishan Zhong, Zongxian Liu, Koji Yoshida | 2013-02-12 |
| 8352249 | Encoding device, decoding device, and method thereof | Koji Yoshida, Masahiro Oshikiri | 2013-01-08 |