Issued Patents All Time
Showing 1–25 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422694 | Source sound separator with spectrum analysis through linear combination and method therefor | Makoto Morito, Takashi Yazu, Kei Yamada, Tetsunori Kobayashi, Tetsuji Ogawa | 2013-04-16 |
| 8213633 | Sound source separation system, sound source separation method, and acoustic signal acquisition device | Tetsunori Kobayashi, Satoshi Kanba | 2012-07-03 |
| 8069170 | Private information storage device and private information management device | Shinako Matsuyama, Koji Suginuma | 2011-11-29 |
| 7372375 | Signal reproducing method and device, signal recording method and device, and code sequence generating method and device | Kyoya Tsutsui, Naoya Haneda | 2008-05-13 |
| 7218251 | Signal reproducing method and device, signal recording method and device, and code sequence generating method and device | Kyoya Tsutsui, Naoya Haneda | 2007-05-15 |
| 7140037 | Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing method | Kyoya Tsutsui, Tadao Yoshida, Naoya Haneda | 2006-11-21 |
| 6794996 | Content supply system and information processing method | Kyoya Tsutsui, Tadao Yoshida, Naoya Haneda | 2004-09-21 |
| 6532445 | Information processing for retrieving coded audiovisual data | Yasuhiro Toguri | 2003-03-11 |
| 6501863 | Image coding apparatus, image coding method, image decoding apparatus, image decoding method and transmission medium | Takahiro Fukuhara, Seiji Kimura | 2002-12-31 |
| RE37864 | Quantizing error reducer for audio signal | Makoto Akune | 2002-10-01 |
| 6445875 | Apparatus and method for detecting edition point of audio/video data stream | Yoshinari Chida | 2002-09-03 |
| 6415251 | Subband coder or decoder band-limiting the overlap region between a processed subband and an adjacent non-processed one | Yoshiaki Oikawa, Mitsuyuki Hatanaka | 2002-07-02 |
| 6104321 | Efficient encoding method, efficient code decoding method, efficient code encoding apparatus, efficient code decoding apparatus, efficient encoding/decoding system, and recording media | — | 2000-08-15 |
| RE36559 | Method and apparatus for encoding audio signals divided into a plurality of frequency bands | Yoshihito Fujiwara, Tomoko Umezawa, Masayuki Nishiguchi, Makoto Akune, Naoto Iwahashi | 2000-02-08 |
| 6011824 | Signal-reproduction method and apparatus | Yoshiaki Oikawa, Mitsuyuki Hatanaka | 2000-01-04 |
| 5873065 | Two-stage compression and expansion of coupling processed multi-channel sound signals for transmission and recording | Mark F. Davis, Craig C. Todd, Ray M. Dolby | 1999-02-16 |
| 5864800 | Methods and apparatus for processing digital signals by allocation of subband signals and recording medium therefor | Kenichi Imai, Mitsuru Hanajima | 1999-01-26 |
| 5819214 | Length of a processing block is rendered variable responsive to input signals | Hiroshi Suzuki, Osamu Shimoyoshi, Makoto Mitsuno | 1998-10-06 |
| 5774844 | Methods and apparatus for quantizing, encoding and decoding and recording media therefor | — | 1998-06-30 |
| 5761642 | Device for recording and /or reproducing or transmitting and/or receiving compressed data | Hiroshi Suzuki, Osamu Shimoyoshi, Makoto Mitsuno | 1998-06-02 |
| RE35809 | Digital signal encoding with quantizing based on masking from multiple frequency bands | — | 1998-05-26 |
| 5757938 | High efficiency encoding device and a noise spectrum modifying device and method | Makoto Akune | 1998-05-26 |
| 5754427 | Data recording method | — | 1998-05-19 |
| 5737717 | Method and apparatus for altering frequency components of a transformed signal, and a recording medium therefor | Makoto Akune | 1998-04-07 |
| 5687157 | Method of recording and reproducing digital audio signal and apparatus thereof | Kenichi Imai, Tadao Suzuki, Makoto Akune | 1997-11-11 |