Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599503 | Audio output level setting method and device | — | 2009-10-06 |
| 7587006 | Receiving apparatus | Keiichi Toiyama, Kazuya Ueda | 2009-09-08 |
| 6901051 | Server-based network performance metrics generation system and method | Yiwei Hou, Yingfei Dong | 2005-05-31 |
| 6813244 | Available bandwidth measurement with variable speed probing and zoom-in/zoom-out technique | Jingsha He | 2004-11-02 |
| 6671259 | Method and system for wide area network load balancing | Jingsha He | 2003-12-30 |
| 6625161 | Adaptive inverse multiplexing method and system | Ching-Fong Su, Yao-Min Chen | 2003-09-23 |
| 6615381 | Digital data transmitting/receiving method, base station unit used for transmitting/receiving digital data, and mobile object terminal unit used for transmitting/receiving digital data | Hisaya Fukuda, Akihiro Suzuki, Akira Nohara | 2003-09-02 |
| 5909662 | Speech processing coder, decoder and command recognizer | Yasushi Yamazaki, Tomonori Sato, Hitoshi Matsuzawa, Chiharu Kawai | 1999-06-01 |
| 5864650 | Speech encoding method and apparatus using tree-structure delta code book | Yoshinori Tanaka, Yasuji Ohta, Hideaki Kurihara | 1999-01-26 |
| 5828811 | Speech signal coding system wherein non-periodic component feedback to periodic excitation signal source is adaptively reduced | Yasuji Ohta, Yoshinori Tanaka, Hideaki Kurihara, Yoshihiro Sakai | 1998-10-27 |
| 5799131 | Speech coding and decoding system | Mark A. Johnson | 1998-08-25 |
| 5717724 | Voice encoding and voice decoding apparatus | Yasushi Yamazaki, Tomonori Sato, Hisanari Kimura | 1998-02-10 |
| 5325461 | Speech signal coding and decoding system transmitting allowance range information | Yoshinori Tanaka, Yoshihiro Sakai, Yasuko Shirai, Hideaki Kurihara | 1994-06-28 |
| 5323486 | Speech coding system having codebook storing differential vectors between each two adjoining code vectors | Mark A. Johnson, Yasuji Ohta, Hideaki Kurihara, Yoshinori Tanaka, Yoshihiro Sakai | 1994-06-21 |
| 5274741 | Speech coding apparatus for separately processing divided signal vectors | Yoshinori Tanaka, Yasuji Ota, Fumio Amano, Shigeyuki Unagami | 1993-12-28 |
| 5263119 | Gain-shape vector quantization method and apparatus | Yoshinori Tanaka, Fumio Amano, Yasuji Ohta, Shigeyuki Unagami | 1993-11-16 |
| 5261027 | Code excited linear prediction speech coding system | Yoshinori Tanaka, Yasuji Ohta, Fumio Amano, Shigeyuki Unagami, Akira Sasama | 1993-11-09 |
| 5245662 | Speech coding system | Mark A. Johnson | 1993-09-14 |
| 5231692 | Pitch period searching method and circuit for speech codec | Yoshinori Tanaka, Akira Sasama, Yasuji Ohta, Fumio Amano, Shigeyuki Unagami | 1993-07-27 |
| 5224167 | Speech coding apparatus using multimode coding | Yoshinori Tanaka, Akira Sasama, Yasuji Ohta, Fumio Amano, Shigeyuki Unagami | 1993-06-29 |
| 5199076 | Speech coding and decoding system | Mark A. Johnson, Hideaki Kurihara, Yoshinori Tanaka, Yasuji Ohta | 1993-03-30 |
| 5151968 | Vector quantization encoder and vector quantization decoder | Yoshinori Tanaka, Fumio Amano, Yasuji Ohta, Sigeyuki Unagami | 1992-09-29 |
| 5138662 | Speech coding apparatus | Fumio Amano, Yoshinori Tanaka, Yasuji Ota, Shigeyuki Unagami | 1992-08-11 |
| 5115469 | Speech encoding/decoding apparatus having selected encoders | Kohei Iseda, Koji Okazaki, Fumio Amano, Shigeyuki Unagami, Yoshinori Tanaka +1 more | 1992-05-19 |
| 5086471 | Gain-shape vector quantization apparatus | Yoshinori Tanaka, Fumio Amano, Yasuji Ohta, Shigeyuki Unagami | 1992-02-04 |