Issued Patents All Time
Showing 26–45 of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7787500 | Packet receiving method and device | Yoshiteru Tsuchinaga, Masanao Suzuki, Takashi Makiuchi, Keiichi Kojima | 2010-08-31 |
| 7783481 | Noise reduction apparatus and noise reducing method | Kaori Endo, Takeshi Otani, Mitsuyoshi Matsubara | 2010-08-24 |
| 7664650 | Speech speed converting device and speech speed converting method | Kaori Endo, Taro Togawa | 2010-02-16 |
| 7650280 | Voice packet loss concealment device, voice packet loss concealment method, receiving terminal, and voice communication system | Yoshiteru Tsuchinaga, Masanao Suzuki, Masakiyo Tanaka, Miyuki Shirakawa | 2010-01-19 |
| 7606702 | Speech decoder, speech decoding method, program and storage media to improve voice clarity by emphasizing voice tract characteristics using estimated formants | Masakiyo Tanaka, Masanao Suzuki, Yoshiteru Tsuchinaga | 2009-10-20 |
| 7590532 | Voice code conversion method and apparatus | Masanao Suzuki, Yoshiteru Tsuchinaga, Masakiyo Tanaka | 2009-09-15 |
| 7454345 | Word or collocation emphasizing voice synthesizer | Hitoshi Sasaki, Yasushi Yamazaki, Kaori Endo, Nobuyuki Katae, Kazuhiro Watanabe | 2008-11-18 |
| 7310596 | Method and system for embedding and extracting data from encoded voice code | Masanao Suzuki, Yoshiteru Tsuchinaga, Masakiyo Tanaka, Shigeru Sasaki | 2007-12-18 |
| 7222069 | Voice code conversion apparatus | Masanao Suzuki, Yoshiteru Tsuchina | 2007-05-22 |
| 7152032 | Voice enhancement device by separate vocal tract emphasis and source emphasis | Masanao Suzuki, Masakiyo Tanaka, Yoshiteru Tsuchinaga | 2006-12-19 |
| 7092875 | Speech transcoding method and apparatus for silence compression | Yoshiteru Tsuchinaga, Masanao Suzuki | 2006-08-15 |
| 7089179 | Voice coding method, voice coding apparatus, and voice decoding apparatus | Masanao Suzuki, Yoshiteru Tsuchinaga | 2006-08-08 |
| 7072830 | Audio coder | Hitoshi Sasaki | 2006-07-04 |
| 7016831 | Voice code conversion apparatus | Masanao Suzuki, Yoshiteru Tsuchinaga | 2006-03-21 |
| 6594626 | Voice encoding and voice decoding using an adaptive codebook and an algebraic codebook | Masanao Suzuki, Yoshiteru Tsuchinaga | 2003-07-15 |
| 6490554 | Speech detecting device and speech detecting method | Kaori Endo | 2002-12-03 |
| 6470312 | Speech coding apparatus, speech processing apparatus, and speech processing method | Masanao Suzuki, Yoshiteru Tsuchinaga | 2002-10-22 |
| 6078881 | Speech encoding and decoding method and speech encoding and decoding apparatus | Hitoshi Matsuzawa, Masanao Suzuki | 2000-06-20 |
| 5274741 | Speech coding apparatus for separately processing divided signal vectors | Tomohiko Taniguchi, Yoshinori Tanaka, Fumio Amano, Shigeyuki Unagami | 1993-12-28 |
| 5138662 | Speech coding apparatus | Fumio Amano, Tomohiko Taniguchi, Yoshinori Tanaka, Shigeyuki Unagami | 1992-08-11 |