Issued Patents All Time
Showing 26–50 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6128592 | Signal processing apparatus and method, and transmission medium and recording medium therefor | Satoshi Miyazaki | 2000-10-03 |
| 6084829 | Information apparatus capable of selectively recording audio signal | — | 2000-07-04 |
| 6081784 | Methods and apparatus for encoding, decoding, encrypting and decrypting an audio signal, recording medium therefor, and method of transmitting an encoded encrypted audio signal | — | 2000-06-27 |
| 6061649 | Signal encoding method and apparatus, signal decoding method and apparatus and signal transmission apparatus | Yoshiaki Oikawa, Shinji Miyamori, Masatoshi Ueno | 2000-05-09 |
| RE36683 | Apparatus and method for audio data compression and expansion with reduced block floating overhead | — | 2000-05-02 |
| 6049517 | Dual format audio signal compression | — | 2000-04-11 |
| 6029136 | Band dividing/synthesizing filter with reduced memory requirements | — | 2000-02-22 |
| 5983175 | Audio coding method | Osamu Shimoyoshi | 1999-11-09 |
| 5974379 | Methods and apparatus for gain controlling waveform elements ahead of an attack portion and waveform elements of a release portion | Mitsuyuki Hatanaka, Yoshiaki Oikawa | 1999-10-26 |
| 5930750 | Adaptive subband scaling method and apparatus for quantization bit allocation in variable length perceptual coding | — | 1999-07-27 |
| 5925112 | Information transfer apparatus and information recording apparatus including transfer control means for determining a transfer sequence of plural information blocks | Naoya Haneda | 1999-07-20 |
| 5901234 | Gain control method and gain control apparatus for digital audio signals | Mito Sonohara | 1999-05-04 |
| 5870703 | Adaptive bit allocation of tonal and noise components | Yoshiaki Oikawa, Shinji Miyamori, Masatoshi Ueno | 1999-02-09 |
| 5835593 | Information transmitting apparatus and information transmitting system | — | 1998-11-10 |
| 5835030 | Signal encoding method and apparatus using selected predetermined code tables | Mito Sonohara, Osamu Shimoyoshi | 1998-11-10 |
| 5832426 | High efficiency audio encoding method and apparatus | Osamu Shimoyoshi | 1998-11-03 |
| 5832424 | Speech or audio encoding of variable frequency tonal components and non-tonal components | — | 1998-11-03 |
| 5825979 | Digital audio signal coding and/or deciding method | Yoshiaki Oikawa, Osamu Shimoyoshi | 1998-10-20 |
| 5825310 | Signal encoding method | — | 1998-10-20 |
| 5805770 | Signal encoding apparatus, signal decoding apparatus, recording medium, and signal encoding method | — | 1998-09-08 |
| 5796695 | Information transmission method and apparatus and information receiving method and apparatus | — | 1998-08-18 |
| 5781586 | Method and apparatus for encoding the information, method and apparatus for decoding the information and information recording medium | — | 1998-07-14 |
| 5778339 | Signal encoding method, signal encoding apparatus, signal decoding method, signal decoding apparatus, and recording medium | Mito Sonohara, Robert Heddle | 1998-07-07 |
| 5765126 | Method and apparatus for variable length encoding of separated tone and noise characteristic components of an acoustic signal | Mito Sonohara | 1998-06-09 |
| 5758316 | Methods and apparatus for information encoding and decoding based upon tonal components of plural channels | Yoshiaki Oikawa | 1998-05-26 |