Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7882390 | Repair of defective servo tracks | Gary Herbst, Jong-Ming Lin, Michael Moser | 2011-02-01 |
| 7499243 | Disk drive with support structure for air dams and disk-vibration capacitive sensors | Toshiki Hirano, Tetsuo Semba | 2009-03-03 |
| 7450335 | Reducing read/write head track misregistration | Toshiki Hirano, Tetsuo Semba | 2008-11-11 |
| 7450339 | Disk drive with support structure for damping plates and disk-vibration capacitive sensors | Toshiki Hirano, Tetsuo Semba | 2008-11-11 |
| 7375916 | Magnetic recording disk drive with multiple feedforward controllers for rotational vibration cancellation | Tetsuo Semba, Kevin Tzou | 2008-05-20 |
| 7345841 | Disk drive using a disturbance sensor for disturbance frequency-identification and suppression | Eric Baugh, Tetsuo Semba | 2008-03-18 |
| 7292407 | Disk drive with support structure for disk-vibration capacitive sensors | Toshiki Hirano, Tetsuo Semba | 2007-11-06 |
| 7277258 | Dual-stage actuator disk drive with optimal location of the movable portion of the secondary actuator | Toshiki Hirano, Fu-Ying Huang, Tetsuo Semba | 2007-10-02 |
| 7268968 | Vibration suppression for servo control | Tetsuo Semba, Eric Baugh | 2007-09-11 |
| 7206159 | Method and apparatus for rejecting contact-induced disturbances | — | 2007-04-17 |
| 7206162 | Seek trajectory generation using adaptive filtering | Tetsuo Semba, Hiroshi Uchida | 2007-04-17 |
| 7177113 | Magnetic recording disk drive with switchable rotational vibration cancellation | Tetsuo Semba, Kevin Tzou | 2007-02-13 |
| 7106552 | Method for secondary-actuator failure detection and recovery in a dual-stage actuator disk drive | Toshiki Hirano, Satoshi Yamamoto | 2006-09-12 |
| 7079339 | Dual-stage actuator disk drive with method for secondary-actuator failure detection and recovery using a relative-position sensor while track following | Tetsuo Semba, Satoshi Yamamoto | 2006-07-18 |
| 7079338 | Dual-stage actuator disk drive with method for secondary-actuator failure detection and recovery while track-following | Tetsuo Semba, Satoshi Yamamoto | 2006-07-18 |
| 7075748 | Disk drive with a dual-stage actuator and failure detection and recovery system for the secondary actuator | Satoshi Yamamoto | 2006-07-11 |
| 7072134 | Dual-stage actuator disk drive with secondary actuator failure detection and recovery using relative-position signal | Toshiki Hirano, Satoshi Yamamoto | 2006-07-04 |
| 7012777 | Disk drive with capacitance sensing of disk vibration and feedforward control for removal of read/write head track misregistration | Toshiki Hirano, Tetsuo Semba | 2006-03-14 |
| 6977793 | Magnetic recording disk drive with dual-stage actuator and control system with multiple controllers | Satoshi Yamamoto | 2005-12-20 |
| 6934117 | Technique to compensate for resonances and disturbances on primary actuator through use of a secondary actuator | Fu-Ying Huang | 2005-08-23 |
| 6583964 | Disk drive with mode canceling actuator | Fu-Ying Huang, Wayne Isami Imaino, Jiann-Chang Lo | 2003-06-24 |
| 6088194 | Dual mode actuator | Wayne Isami Imaino | 2000-07-11 |