Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE45734 | Inrush current controller | Wendong Zhang | 2015-10-06 |
| 8222873 | Current mode bang-bang regulator amplifier | Wendong Zhang | 2012-07-17 |
| 7609499 | Active current limiting circuit | Wendong Zhang | 2009-10-27 |
| 7492560 | ASIC latch-up recovery circuit | Wendong Zhang | 2009-02-17 |
| 7417335 | Method and apparatus for integrated circuit power up | Sam B. Bhattarai | 2008-08-26 |
| 7414335 | Inrush current controller | Wendong Zhang | 2008-08-19 |
| 7005817 | Energy conserving disc drive | Charles W. Thiesfeld | 2006-02-28 |
| 6906485 | Spindle motor control using a current profile to taper current transitions | — | 2005-06-14 |
| 6906499 | Current mode bang-bang controller in a switching voltage regulator | Wendong Zhang | 2005-06-14 |
| 6747838 | Thermal performance of an integrated amplifier in a disc drive | Garry E. Korbel, Ranjeet K. Pancholy | 2004-06-08 |
| 6342984 | Disk drive including DC to DC voltage converter for increasing voltage to its spindle motor and VCM | Eric Gregory Oettinger, Eugene F. Plutowski | 2002-01-29 |
| 6285521 | Disk drive employing power source modulation for reducing power consumption | — | 2001-09-04 |
| 6181502 | Faster access time in a disk drive by utilizing increased VCM potential voltage | Eric Gregory Oettinger, Michael C. Stich | 2001-01-30 |
| 6094020 | Disk drive utilizing Bemf of spindle motor to increase VCM voltage during seeks | Jerome A. Goretzki | 2000-07-25 |
| 5965992 | Charging capacitor during track following in disk drive to provide increased VCM voltage during a seek | Jerome A. Goretzki | 1999-10-12 |