Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5864650 | Speech encoding method and apparatus using tree-structure delta code book | Tomohiko Taniguchi, Yoshinori Tanaka, Hideaki Kurihara | 1999-01-26 |
| 5828811 | Speech signal coding system wherein non-periodic component feedback to periodic excitation signal source is adaptively reduced | Tomohiko Taniguchi, Yoshinori Tanaka, Hideaki Kurihara, Yoshihiro Sakai | 1998-10-27 |
| 5323486 | Speech coding system having codebook storing differential vectors between each two adjoining code vectors | Tomohiko Taniguchi, Mark A. Johnson, Hideaki Kurihara, Yoshinori Tanaka, Yoshihiro Sakai | 1994-06-21 |
| 5263119 | Gain-shape vector quantization method and apparatus | Yoshinori Tanaka, Tomohiko Taniguchi, Fumio Amano, Shigeyuki Unagami | 1993-11-16 |
| 5261027 | Code excited linear prediction speech coding system | Tomohiko Taniguchi, Yoshinori Tanaka, Fumio Amano, Shigeyuki Unagami, Akira Sasama | 1993-11-09 |
| 5231692 | Pitch period searching method and circuit for speech codec | Yoshinori Tanaka, Tomohiko Taniguchi, Akira Sasama, Fumio Amano, Shigeyuki Unagami | 1993-07-27 |
| 5224167 | Speech coding apparatus using multimode coding | Tomohiko Taniguchi, Yoshinori Tanaka, Akira Sasama, Fumio Amano, Shigeyuki Unagami | 1993-06-29 |
| 5199076 | Speech coding and decoding system | Tomohiko Taniguchi, Mark A. Johnson, Hideaki Kurihara, Yoshinori Tanaka | 1993-03-30 |
| 5151968 | Vector quantization encoder and vector quantization decoder | Yoshinori Tanaka, Tomohiko Taniguchi, Fumio Amano, Sigeyuki Unagami | 1992-09-29 |
| 5115469 | Speech encoding/decoding apparatus having selected encoders | Tomohiko Taniguchi, Kohei Iseda, Koji Okazaki, Fumio Amano, Shigeyuki Unagami +1 more | 1992-05-19 |
| 5086471 | Gain-shape vector quantization apparatus | Yoshinori Tanaka, Tomohiko Taniguchi, Fumio Amano, Shigeyuki Unagami | 1992-02-04 |
| 5003604 | Voice coding apparatus | Koji Okazaki, Fumio Amano, Shigeyuki Unnagami | 1991-03-26 |