Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9558772 | Position error signal (PES) detection | Timothy F. Ellis | 2017-01-31 |
| 9502062 | Using two or more offset repeatable runout correction values for a virtual track of a magnetic disk | Andrei Dorobantu, Tim Rausch | 2016-11-22 |
| 9178531 | Servo gray code check bits | Mustafa Can Ozturk, Puskal Prasad Pokharel, Barmeshwar Vikramaditya | 2015-11-03 |
| 7843661 | Controller with fractional position algorithm | David L. Schell, Chris Settje | 2010-11-30 |
| 7589930 | Zone based repeated runout error compensation | Reed D. Hanson, Peng Yan, Samir Mittal, Timothy F. Ellis | 2009-09-15 |
| 7567403 | Bi-directional servo track writing to minimize sidewall writing at high skew angles | Alexei H. Sacks, Haoying Sun | 2009-07-28 |
| 7251097 | Written-in error compensation method for coherent repeatable runout | Reed D. Hanson, John C. Morris | 2007-07-31 |
| 6956711 | Fractional-rate feedforward RRO compensator | Reed D. Hanson, Nathaniel B. Wilson, John C. Morris | 2005-10-18 |
| 6930851 | Guiding a sensor using a broadly-curved lateral profile | Reed D. Hanson, John C. Morris, Nathaniel B. Wilson, Brent Jay Harmer | 2005-08-16 |
| 6847503 | Repeatable runout compensation in a disc drive | Tao Zhang, John C. Morris | 2005-01-25 |
| 6449116 | Compression and storage of written-in error compensation tables in an embedded servo disc drive | John C. Morris | 2002-09-10 |