Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9330679 | Voice processing device, voice processing method | Masanao Suzuki, Takeshi Otani | 2016-05-03 |
| 9271089 | Voice control device and voice control method | Masanao Suzuki, Takeshi Otani, Chisato Ishikawa | 2016-02-23 |
| 9247076 | Portable terminal device and method of controlling portable terminal device | Shusaku Ito, Yasuji Ota, Takeshi Otani, Masanao Suzuki | 2016-01-26 |
| 9160404 | Reverberation reduction device and reverberation reduction method | Takeshi Otani, Masanao Suzuki | 2015-10-13 |
| 9093077 | Reverberation suppression device, reverberation suppression method, and computer-readable storage medium storing a reverberation suppression program | Takeshi Otani, Masanao Suzuki | 2015-07-28 |
| 8972248 | Band broadening apparatus and method | Takeshi Otani, Masanao Suzuki, Shusaku Ito | 2015-03-03 |
| 8924199 | Voice correction device, voice correction method, and recording medium storing voice correction program | Chisato Ishikawa, Takeshi Otani, Masanao Suzuki, Masakiyo Tanaka | 2014-12-30 |
| 8774397 | Telephone and voice adjustment method for telephone | Shusaku Ito, Takeshi Otani, Yasuji Ota | 2014-07-08 |
| 8751221 | Communication apparatus for adjusting a voice signal | Kaori Endo, Yasuji Ota, Takeshi Otani | 2014-06-10 |
| 8676571 | Audio signal processing system and audio signal processing method | Takeshi Otani, Masanao Suzuki, Yasuji Ota | 2014-03-18 |
| 8558691 | Sensing apparatus, sensor information gathering apparatus, sensing method, and remote sensing method | Yasuji Ota, Masanao Suzuki, Masakiyo Tanaka | 2013-10-15 |
| 8560308 | Speech sound enhancement device utilizing ratio of the ambient to background noise | Kaori Endo, Yasuji Ota, Takeshi Otani | 2013-10-15 |
| 8526578 | Voice communication apparatus | Takeshi Otani, Yasuji Ota, Kaori Endo | 2013-09-03 |
| 8457955 | Voice reproduction with playback time delay and speed based on background noise and speech characteristics | Takeshi Otani, Kaori Endo, Yasuji Ota | 2013-06-04 |
| 8364475 | Voice processing apparatus and voice processing method for changing accoustic feature quantity of received voice signal | Takeshi Otani, Kaori Endo, Yasuji Ota | 2013-01-29 |
| 8280727 | Voice band expansion device, voice band expansion method, and communication apparatus | Kaori Endo, Takeshi Otani, Yasuji Ota | 2012-10-02 |
| 8243941 | Active noise reduction system and active noise reduction method | Takeshi Otani, Kaori Endo, Yasuji Ota | 2012-08-14 |
| 8189800 | Active silencer and method for controlling active silencer | Takeshi Otani, Kaori Endo, Yasuji Ota | 2012-05-29 |
| 8155333 | Active noise control apparatus | Takeshi Otani, Kaori Endo, Yasuji Ota | 2012-04-10 |
| 8005219 | Data decryption apparatus and data encryption apparatus | Kaori Endo, Takeshi Otani, Masakiyo Tanaka, Yasuji Ota | 2011-08-23 |
| 7925500 | Pitch conversion method and device for converting a pitch of an input signal into a desired pitch | Kaori Endo, Chikako Matsumoto, Yasuji Ota | 2011-04-12 |
| 7664650 | Speech speed converting device and speech speed converting method | Kaori Endo, Yasuji Ota | 2010-02-16 |