Issued Patents All Time
Showing 101–125 of 155 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6108329 | Telephone apparatus used for computer network telephone system | Akimasa Oyama, Hidekazu Watanabe, Masahiro Asai, Nobuhiro Tone | 2000-08-22 |
| 6054826 | Backward drive control system for motorcycle | Ryuichi Murakami, Akira Shinoda, Hiroo Utsumi | 2000-04-25 |
| 6023672 | Speech coder | — | 2000-02-08 |
| 6014687 | System for audio communication between two terminals connected to the internet network | Hidekazu Watanabe, Masahiro Asai, Akimasa Oyama | 2000-01-11 |
| 6009388 | High quality speech code and coding method | — | 1999-12-28 |
| 6006178 | Speech encoder capable of substantially increasing a codebook size without increasing the number of transmitted bits | Shin-Ichi Taumi | 1999-12-21 |
| 5963896 | Speech coder including an excitation quantizer for retrieving positions of amplitude pulses using spectral parameters and different gains for groups of the pulses | — | 1999-10-05 |
| 5924063 | Celp-type speech encoder having an improved long-term predictor | Keiichi Funaki | 1999-07-13 |
| 5883609 | Active matrix type liquid crystal display with multi-media oriented drivers and driving method for same | Hideki Asada, Hiroyuki Fukumori | 1999-03-16 |
| 5884252 | Method of and apparatus for coding speech signal | — | 1999-03-16 |
| 5873060 | Signal coder for wide-band signals | — | 1999-02-16 |
| 5870710 | Audio transmission, recording and reproducing system | Nobuhiro Tone, Masahiro Asai | 1999-02-09 |
| 5862518 | Speech decoder for decoding a speech signal using a bad frame masking unit for voiced frame and a bad frame masking unit for unvoiced frame | Toshiyuki Nomura | 1999-01-19 |
| 5857168 | Method and apparatus for coding signal while adaptively allocating number of pulses | — | 1999-01-05 |
| 5826226 | Speech coding apparatus having amplitude information set to correspond with position information | — | 1998-10-20 |
| 5822722 | Wide-band signal encoder | — | 1998-10-13 |
| 5806024 | Coding of a speech or music signal with quantization of harmonics components specifically and then residue components | — | 1998-09-08 |
| 5797119 | Comb filter speech coding with preselected excitation code vectors | — | 1998-08-18 |
| 5787389 | Speech encoder with features extracted from current and previous frames | Shin-Ichi Taumi | 1998-07-28 |
| 5783322 | Secondary battery pack | Tamiji Nagai | 1998-07-21 |
| 5778334 | Speech coders with speech-mode dependent pitch lag code allocation patterns minimizing pitch predictive distortion | Masahiro Serizawa | 1998-07-07 |
| 5774835 | Method and apparatus of postfiltering using a first spectrum parameter of an encoded sound signal and a second spectrum parameter of a lesser degree than the first spectrum parameter | — | 1998-06-30 |
| 5760570 | Rechargeable battery apparatus | Tamiji Nagai | 1998-06-02 |
| 5737484 | Multistage low bit-rate CELP speech coder with switching code books depending on degree of pitch periodicity | — | 1998-04-07 |
| 5703071 | Tropolone derivatives and pharmaceutical composition thereof for preventing and treating ischemic diseases | Noriie Itoh, Mineo Kunihara, Hiroshi Kushida, William McWhorter, Syunji Nomura +2 more | 1997-12-30 |