Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12387755 | Hard disk drive disk media curvature mitigation | Daniel Nguyen, John Bianchini | 2025-08-12 |
| 12230303 | Center structure having attachment support for an actuator in a multi-actuator hard disk drive | Jung-Seo Park, Thomas J. Hitchner, Siddhesh Vivek Sakhalkar | 2025-02-18 |
| 11955139 | Hard disk drive multiple contact disk spindle motor hub flange | Rasool Koosha, Mukesh Patel, Antony Nguyen | 2024-04-09 |
| 11935560 | Hard disk drive multiple contact disk clamp | Rasool Koosha, Mukesh Patel | 2024-03-19 |
| 9379311 | Apparatus for manufacturing piezoelectric actuators | Yih-Jen D. Chen | 2016-06-28 |
| 8756776 | Method for manufacturing a disk drive microactuator that includes a piezoelectric element and a peripheral encapsulation layer | Yih-Jen D. Chen | 2014-06-24 |
| 7502192 | Magnetic disk drive and method for efficiently determining and storing RRO compensation values using a secondary micro-actuator | Zhi Wang, Min Chen, Jenghung Cheng | 2009-03-10 |
| 7489464 | Servo writing a disk drive using a secondary actuator to control skew angle | Siri S. Weerasooriya | 2009-02-10 |
| 7353524 | Disk drive with airflow channeling enclosure | Jen-Tai Lin, Jin Hui Ou-Yang, Chiao-Ping Ku, Shuo-Hao Chen, Lin Yang | 2008-04-01 |
| 7304819 | Method for writing repeatable runout correction values to a magnetic disk of a disk drive | Hemant Melkote | 2007-12-04 |
| 7298574 | Servo writing a disk drive using correction values that attenuate phase error propagation | Hemant Melkote | 2007-11-20 |
| 7280319 | Suspension assembly with piezoelectric microactuators electrically connected to a folded flex circuit segment | — | 2007-10-09 |
| 7215514 | Method of operating a disk drive including rotating a perpendicular write head to reduce a difference between skew and taper angles, and a disk drive | Lin Yang, Lin Mei, William C. Tipton, II | 2007-05-08 |
| 7027256 | Disk drive having servo sectors that store repeatable runout correction values and related error correction code data | Jai N. Subrahmanyam, Jack M. Chue | 2006-04-11 |
| 6972922 | Disk drive having internal data structures for efficiently storing repeatable runout cancellation information | Jai N. Subrahmanyam, Jack M. Chue | 2005-12-06 |
| 6972924 | Disk drive attenuating excitation of arm vibration mode by simultaneously driving secondary actuator for non-active head | Yih-Jen D. Chen, Jiasheng Zhu | 2005-12-06 |
| 6963465 | Method for preventing radial error propagation during self-servowriting of tracks in a magnetic disk drive | Hemant Melkote | 2005-11-08 |
| 6937420 | Determining repeatable runout cancellation information using PES information generated during self servo-writing operations | Hemant Melkote | 2005-08-30 |
| 6924959 | Reducing estimation period for repeatable runout errors in a disk drive | Hemant Melkote, David D. Nguyen, John Yin Kwong Li | 2005-08-02 |
| 6900958 | Method and disk drive for improving head position accuracy during track following through real-time identification of external vibration and monitoring of write-unsafe occurrences | Li Yi, Yanbin Song, David A. Spaulding, Arafat M. Butt, David D. Nguyen | 2005-05-31 |