Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8836252 | Linearized control of piezoelectric actuator to reduce hysteresis | Susumu Isago, Bausan Yuan | 2014-09-16 |
| 8619361 | Direct derivative feedforward vibration compensation system | Susumu Isago, Kazuo Masaki, Bausan Yuan | 2013-12-31 |
| 7989756 | Active-isolation mounts for optical elements | Shiang-Lung Koo, Hideyuki Hashimoto, Bausan Yuan, Pai-Hsueh Yang | 2011-08-02 |
| 7583361 | System for controlling a dual mover assembly for an exposure apparatus | Hideyuki Hashimoto, Jin Nishikawa, Bausan Yuan, Douglas C. Watson | 2009-09-01 |
| 7366642 | Minimum force output control method for counter-mass with cable | Gabor Szoboszlay, Kazuhiro Hirano, Kazuo Masaki, Christopher Blake Smith, Ryoichi Kawaguchi +1 more | 2008-04-29 |
| 7046496 | Adaptive gain adjustment for electromagnetic devices | — | 2006-05-16 |
| 6970321 | Automatic model regulation in a disc drive servo system using model reference inverse | Samir Mittal, John C. Morris | 2005-11-29 |
| 6831803 | Repeatable runout identification device and method | — | 2004-12-14 |
| 6804079 | Written-in repeatable run-out compensation in embedded servo disc drives | — | 2004-10-12 |
| 6741417 | Plant variation compensation for piezoelectric microactuator in dual-stage servo of disc drives | John C. Morris | 2004-05-25 |
| 6580579 | Disturbance rejection for disc drives using adaptive accelerometer feedforward servo | John C. Morris, Dustin M. Cvancara | 2003-06-17 |
| 6560059 | Method and apparatus for suppressing seek-induced vibration in a disc drive | John C. Morris | 2003-05-06 |
| 6493172 | Disturbance rejection of mechanical interaction for dual-actuator disc drives using adaptive feedforward servo | John C. Morris | 2002-12-10 |