Issued Patents All Time
Showing 126–150 of 155 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687284 | Excitation signal encoding method and device capable of encoding with high quality | Masahiro Serizawa | 1997-11-11 |
| 5677985 | Speech decoder capable of reproducing well background noise | — | 1997-10-14 |
| 5666465 | Speech parameter encoder | — | 1997-09-09 |
| 5659661 | Speech decoder | — | 1997-08-19 |
| 5633980 | Voice cover and a method for searching codebooks | — | 1997-05-27 |
| 5625744 | Speech parameter encoding device which includes a dividing circuit for dividing a frame signal of an input speech signal into subframe signals and for outputting a low rate output code signal | — | 1997-04-29 |
| 5594144 | Tropolone derivatives and pharmaceutical composition thereof for preventing and treating ischemic diseases | Noriie Itoh, Mineo Kunihara, Hiroshi Kushida, William McWhorter, Syunji Nomura +2 more | 1997-01-14 |
| 5525890 | Battery unit and battery energy billing method | Satoshi Iwatsu, Masana Ugaji, Yoshio Nishi, Yasuhito Eguchi | 1996-06-11 |
| 5506361 | Imidazobenzoquinones and composition for preventing or treating hypertension or congestive heart failure containing the same | Keiko Koh, Hiroshi Kushida, Noriie Itoh, William McWhorter | 1996-04-09 |
| 5487128 | Speech parameter coding method and appparatus | — | 1996-01-23 |
| 5485581 | Speech coding method and system | Toshiki Miyano | 1996-01-16 |
| 5426718 | Speech signal coding using correlation valves between subframes | Keiichi Funaki | 1995-06-20 |
| 5305332 | Speech decoder for high quality reproduced speech through interpolation | — | 1994-04-19 |
| 5271089 | Speech parameter encoding method capable of transmitting a spectrum parameter at a reduced number of bits | — | 1993-12-14 |
| 5208862 | Speech coder | — | 1993-05-04 |
| 5142584 | Speech coding/decoding method having an excitation signal | — | 1992-08-25 |
| 5091946 | Communication system capable of improving a speech quality by effectively calculating excitation multipulses | — | 1992-02-25 |
| 5065547 | Surface processing machine for hard disks and the like | Tatsuo Shimizu, Kenji Yazawa, Kazunori Tani | 1991-11-19 |
| 5065548 | Surface treating tape cartridge and surface treating machine | Tatsuo Shimizu, Kenji Yazawa, Kazunori Tani | 1991-11-19 |
| 5029211 | Speech analysis and synthesis system | — | 1991-07-02 |
| 5027405 | Communication system capable of improving a speech quality by a pair of pulse producing units | — | 1991-06-25 |
| 5018200 | Communication system capable of improving a speech quality by classifying speech signals | — | 1991-05-21 |
| 4975958 | Coded speech communication system having code books for synthesizing small-amplitude components | Eisuke Hanada | 1990-12-04 |
| 4945565 | Low bit-rate pattern encoding and decoding with a reduced number of excitation pulses | Takashi Araseki | 1990-07-31 |
| 4945567 | Method and apparatus for speech-band signal coding | — | 1990-07-31 |