Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11345298 | Driver monitoring device and driver monitoring method | — | 2022-05-31 |
| 9432789 | Sound separation device and sound separation method | Keizo Matsumoto, Aiko Kawanaka | 2016-08-30 |
| 9414177 | Audio signal processing method and audio signal processing device | — | 2016-08-09 |
| 9205787 | Vehicle counting device and vehicle counting method | Mototaka Yoshioka | 2015-12-08 |
| 9147347 | Vehicle direction identification device, vehicle direction identification method and program therefor | Mototaka Yoshioka | 2015-09-29 |
| 9024788 | Vehicle direction identification device, vehicle direction identification method and program therefor | Mototaka Yoshioka | 2015-05-05 |
| 8935120 | Revolution increase-decrease determination device and revolution increase-decrease determination method | Mototaka Yoshioka | 2015-01-13 |
| 8798905 | Vehicle location detection device and vehicle location detection method | Mototaka Yoshioka | 2014-08-05 |
| 8525654 | Vehicle-in-blind-spot detecting apparatus and method thereof | Yoshihisa Nakatoh | 2013-09-03 |
| 8352274 | Sound determination device, sound detection device, and sound determination method for determining frequency signals of a to-be-extracted sound included in a mixed sound | Yoshihisa Nakatoh | 2013-01-08 |
| 8223978 | Target sound analysis apparatus, target sound analysis method and target sound analysis program | Yoshihisa Nakatoh, Tetsu Suzuki | 2012-07-17 |
| 8184827 | Sound source position detector | Yoshihisa Nakatoh | 2012-05-22 |
| 8155346 | Audio source direction detecting device | Yoshihisa Nakatoh | 2012-04-10 |
| 7974420 | Mixed audio separation apparatus | Tetsu Suzuki, Yoshihisa Nakatoh | 2011-07-05 |
| 7848927 | Speech recognition device and method of recognizing speech using a language model | Yoshio Ohno, Makoto Nishizaki, Tetsu Suzuki | 2010-12-07 |
| 7809499 | System, navigation method, medium, and information set | Hidetsugu Maekawa, Yoshifumi Hirose, Kenji Mizutani, Yumi Wakita | 2010-10-05 |
| 7711560 | Speech recognition device and speech recognition method | Maki Yamada, Makoto Nishizaki, Yoshihisa Nakatoh | 2010-05-04 |
| 7616128 | Audio identifying device, audio identifying method, and program | Yoshio Ohno, Tetsu Suzuki | 2009-11-10 |
| 7603276 | Standard-model generation for speech recognition using a reference model | — | 2009-10-13 |
| 7536303 | Audio restoration apparatus and audio restoration method | Tetsu Suzuki, Yoshihisa Nakatoh | 2009-05-19 |
| 7473838 | Sound identification apparatus | Tetsu Suzuki, Yoshihisa Nakatoh | 2009-01-06 |
| 7310601 | Speech recognition apparatus and speech recognition method | Makoto Nishizaki, Yoshihisa Nakatoh, Maki Yamada | 2007-12-18 |
| 7251559 | System, navigation method, medium, and information set | Hidetsugu Maekawa, Yoshifumi Hirose, Kenji Mizutani, Yumi Wakita | 2007-07-31 |
| 7209881 | Preparing acoustic models by sufficient statistics and noise-superimposed speech data | Kiyohiro Shikano | 2007-04-24 |
| 7050979 | Apparatus and method for converting a spoken language to a second language | Kenji Mizutani, Yoshifumi Hirose, Hidetsugu Maekawa, Yumi Wakita | 2006-05-23 |