Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7756505 | Semiconductor integrated circuit and a software radio device | Hiroshi Tanaka, Takanobu Tsunoda, Tetsuroo Honmura, Manabu Kawabe | 2010-07-13 |
| 7571198 | Dynamically reconfigurable processor and processor control program for controlling the same | Makoto Sato, Takanobu Tsunoda | 2009-08-04 |
| 7564964 | Echo canceller | — | 2009-07-21 |
| 7539613 | Device for recovering missing frequency components | — | 2009-05-26 |
| 7305338 | Apparatus and method for concealing erased periodic signal data | Atsushi Tashiro, Hiromi Aoyagi | 2007-12-04 |
| 6992861 | Head suspension for swing arm actuator | Atsushi Suzuki, Ryosuke Koishi, Daisuke Mizutani, Ren Ishikawa, Yasuhiro Yoneda | 2006-01-31 |
| 6947552 | Echo canceler with echo path change detector | — | 2005-09-20 |
| 6891948 | Echo canceller | Atsushi Shimbo | 2005-05-10 |
| 6760436 | Echo canceling apparatus determining dynamically changing echo component | — | 2004-07-06 |
| 6697486 | Echo canceler and operating method | — | 2004-02-24 |
| 6694017 | Automatic gain control apparatus determining echo return loss | — | 2004-02-17 |
| 6480722 | Radio receiver | Tatsumasa Yoshida | 2002-11-12 |
| 6404886 | Method and apparatus for echo cancelling with multiple microphones | Tatsumasa Yoshida | 2002-06-11 |
| 6351532 | Echo canceler employing multiple step gains | Yoshihiro Ariyama | 2002-02-26 |
| 6236725 | Echo canceler employing multiple step gains | Yoshihiro Ariyama | 2001-05-22 |
| 6201866 | Echo canceler employing segment-based reinitialization | Yoshihiro Ariyama | 2001-03-13 |
| 6181753 | Echo/noise canceler with delay compensation | Yoshihiro Ariyama | 2001-01-30 |
| 6173058 | Sound processing unit | — | 2001-01-09 |
| 6106688 | Method for manufacturing a suspension element for a magnetic head | Yukio Miyazaki, Hitoshi Suzuki, Hidehiko Fujisaki, Koji Nakamura, Mitsuo Yamashita +1 more | 2000-08-22 |
| 6088670 | Voice detector | — | 2000-07-11 |
| 5907624 | Noise canceler capable of switching noise canceling characteristics | — | 1999-05-25 |
| 5473702 | Adaptive noise canceller | Tatsumasa Yoshida, Ryoichi Miyamoto, Katsuya Suzuki | 1995-12-05 |