Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033569 | Interior structure of vehicle equipped with curtain airbag | Mitsutoshi Yamanishi | 2011-10-11 |
| 6871175 | Voice encoding apparatus and method therefor | — | 2005-03-22 |
| 5274741 | Speech coding apparatus for separately processing divided signal vectors | Tomohiko Taniguchi, Yoshinori Tanaka, Yasuji Ota, Shigeyuki Unagami | 1993-12-28 |
| 5263119 | Gain-shape vector quantization method and apparatus | Yoshinori Tanaka, Tomohiko Taniguchi, Yasuji Ohta, Shigeyuki Unagami | 1993-11-16 |
| 5261027 | Code excited linear prediction speech coding system | Tomohiko Taniguchi, Yoshinori Tanaka, Yasuji Ohta, Shigeyuki Unagami, Akira Sasama | 1993-11-09 |
| 5231692 | Pitch period searching method and circuit for speech codec | Yoshinori Tanaka, Tomohiko Taniguchi, Akira Sasama, Yasuji Ohta, Shigeyuki Unagami | 1993-07-27 |
| 5224167 | Speech coding apparatus using multimode coding | Tomohiko Taniguchi, Yoshinori Tanaka, Akira Sasama, Yasuji Ohta, Shigeyuki Unagami | 1993-06-29 |
| 5151968 | Vector quantization encoder and vector quantization decoder | Yoshinori Tanaka, Tomohiko Taniguchi, Yasuji Ohta, Sigeyuki Unagami | 1992-09-29 |
| 5138662 | Speech coding apparatus | Tomohiko Taniguchi, Yoshinori Tanaka, Yasuji Ota, Shigeyuki Unagami | 1992-08-11 |
| 5136577 | Sub-band acoustic echo canceller | Hector M. P. Meana | 1992-08-04 |
| 5115469 | Speech encoding/decoding apparatus having selected encoders | Tomohiko Taniguchi, Kohei Iseda, Koji Okazaki, Shigeyuki Unagami, Yoshinori Tanaka +1 more | 1992-05-19 |
| 5091955 | Voice coding/decoding system having selected coders and entropy coders | Kohei Iseda, Kazumi Satoh, Hideaki Kurihara, Shigeyuki Unagami, Koji Okazaki | 1992-02-25 |
| 5086471 | Gain-shape vector quantization apparatus | Yoshinori Tanaka, Tomohiko Taniguchi, Yasuji Ohta, Shigeyuki Unagami | 1992-02-04 |
| 5003604 | Voice coding apparatus | Koji Okazaki, Yasuji Ohta, Shigeyuki Unnagami | 1991-03-26 |
| 4959863 | Secret speech equipment | Mitsuhiro Azuma, Ryota Akiyama, Naoya Torii | 1990-09-25 |
| 4951269 | Echo canceller with short processing delay and decreased multiplication number | Mohammad R. Asharif, Shigeyuki Unagami, Yoshihiro Sakai | 1990-08-21 |
| 4890325 | Speech coding transmission equipment | Tomohiko Taniguchi, Kohei Iseda, Koji Okazaki, Shigeyuki Unagami | 1989-12-26 |
| 4831636 | Coding transmission equipment for carrying out coding with adaptive quantization | Tomohiko Taniguchi, Kohei Iseda, Yoshihiro Tomita, Shigeyuki Unagami, Shoji Tominaga | 1989-05-16 |
| 4312075 | Timing-phase recovery circuit | Kazuo Murano, Shigeyuki Unagami, Yoshikazu Itoh, Tatsuki Hayashi | 1982-01-19 |