Issued Patents All Time
Showing 51–75 of 90 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8972248 | Band broadening apparatus and method | Taro Togawa, Masanao Suzuki, Shusaku Ito | 2015-03-03 |
| 8924199 | Voice correction device, voice correction method, and recording medium storing voice correction program | Chisato Ishikawa, Taro Togawa, Masanao Suzuki, Masakiyo Tanaka | 2014-12-30 |
| 8894005 | Landing gear assembly of aircraft | Yasuto Onomichi, Kazunari Tada, Hiroshi Morimoto | 2014-11-25 |
| 8892430 | Noise detecting device and noise detecting method | Masakiyo Tanaka, Shusaku Ito | 2014-11-18 |
| 8774397 | Telephone and voice adjustment method for telephone | Shusaku Ito, Taro Togawa, Yasuji Ota | 2014-07-08 |
| 8751221 | Communication apparatus for adjusting a voice signal | Kaori Endo, Yasuji Ota, Taro Togawa | 2014-06-10 |
| 8738373 | Frame signal correcting method and apparatus without distortion | Masanao Suzuki | 2014-05-27 |
| 8698289 | Semiconductor device, a method of manufacturing the same and an electronic device | Yukihiro Satou, Hiroyuki Takahashi, Toshiyuki Hata, Ichio Shimizu | 2014-04-15 |
| 8676571 | Audio signal processing system and audio signal processing method | Taro Togawa, Masanao Suzuki, Yasuji Ota | 2014-03-18 |
| 8560308 | Speech sound enhancement device utilizing ratio of the ambient to background noise | Kaori Endo, Yasuji Ota, Taro Togawa | 2013-10-15 |
| 8526578 | Voice communication apparatus | Taro Togawa, Yasuji Ota, Kaori Endo | 2013-09-03 |
| 8492146 | Process for producing a human T-cell population having both cytotoxic and immunosuppressive activities | Makoto Takeuchi, Shuji Nakamura, Fumiyuki Yamasaki | 2013-07-23 |
| 8488473 | Voice communication quality assessing system | Yasuji Ota, Masakiyo Tanaka | 2013-07-16 |
| 8463607 | Noise detection apparatus, noise removal apparatus, and noise detection method | Masakiyo Tanaka, Shusaku Ito | 2013-06-11 |
| 8457955 | Voice reproduction with playback time delay and speed based on background noise and speech characteristics | Taro Togawa, Kaori Endo, Yasuji Ota | 2013-06-04 |
| 8392199 | Clipping detection device and method | Masakiyo Tanaka, Yasuji Ota, Shusaku Ito | 2013-03-05 |
| 8364475 | Voice processing apparatus and voice processing method for changing accoustic feature quantity of received voice signal | Taro Togawa, Kaori Endo, Yasuji Ota | 2013-01-29 |
| 8280727 | Voice band expansion device, voice band expansion method, and communication apparatus | Kaori Endo, Taro Togawa, Yasuji Ota | 2012-10-02 |
| 8265231 | Method for identifying a device transmitting an echo signal, echo source identifying method for identifying echo source, measuring apparatus for identifying a source of an echo, and echo source identifying apparatus | Yasuji Ota | 2012-09-11 |
| 8243941 | Active noise reduction system and active noise reduction method | Taro Togawa, Kaori Endo, Yasuji Ota | 2012-08-14 |
| 8218777 | Multipoint communication apparatus | — | 2012-07-10 |
| 8208623 | Echo processing method and device | Masanao Suzuki, Yasuji Ota | 2012-06-26 |
| 8189800 | Active silencer and method for controlling active silencer | Taro Togawa, Kaori Endo, Yasuji Ota | 2012-05-29 |
| 8170199 | Echo canceller | Masanao Suzuki, Masakiyo Tanaka | 2012-05-01 |
| 8155333 | Active noise control apparatus | Taro Togawa, Kaori Endo, Yasuji Ota | 2012-04-10 |