Issued Patents All Time
Showing 1–25 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11646057 | Estimating recording head fly height using machine learning | Zheng Wang, Ara Patapoutian, Jason Bellorado, William M. Radich | 2023-05-09 |
| 10777224 | Servo zone transition optimization for disk drives | Gary Ernest Hillukka, Joshua Ward Christensen, Puskal Prasad Pokharel | 2020-09-15 |
| 10438620 | Servo zone transition optimization for magnetic disk recording devices | Gary Ernest Hillukka, Joshua Ward Christensen, Puskal Prasad Pokharel | 2019-10-08 |
| 10255943 | Independent head, dual reader control logic | Thomas Lee Schick | 2019-04-09 |
| 9865291 | Primary and secondary servo timing gates used with simultaneously operating readers | Puskal Prasad Pokharel, Gary Ernest Hillukka | 2018-01-09 |
| 9558772 | Position error signal (PES) detection | Thomas Zirps | 2017-01-31 |
| 9373355 | Compensating for interference via a multi-reader system | Riyan Alex Mendonsa, Puskal Prasad Pokharel | 2016-06-21 |
| 9318147 | Read read-only fields while writing | Barmeshwar Vikramaditya, Bruce Douglas Buch | 2016-04-19 |
| 9070411 | Writable servo overlap zones | Joshua Ward Christensen, Ravi Hebbar, John C. Purkett, Justin Won | 2015-06-30 |
| 7948704 | Using servo data harmonics to monitor head-medium spacing | — | 2011-05-24 |
| 7589930 | Zone based repeated runout error compensation | Reed D. Hanson, Thomas Zirps, Peng Yan, Samir Mittal | 2009-09-15 |
| 7529051 | Compensation for variation in timing skew in a disc drive data storage system | Reed D. Hanson | 2009-05-05 |
| 7511912 | Writing multiple servo sector patterns to improve servo sector alignment on multiple surfaces | Nathaniel B. Wilson, Reed D. Hanson | 2009-03-31 |
| 7387848 | Recording media with mechanically patterned landing zone | James E. Angelo, Mukund Rao, Alexei H. Sacks, David S. Kuo, Serge Fayeulle | 2008-06-17 |
| 7349167 | Utilizing track identification fields for timing recovery | Mehmet Fatih Erden, Richard Lyle Keizer, Alexei H. Sacks | 2008-03-25 |
| 7119981 | Method and apparatus for tracking radially-dependent repeatable run-out | Reed D. Hanson, Nathaniel B. Wilson, John C. Morris | 2006-10-10 |
| 7092184 | Monitoring a sensor's output using a target window that is based on a longitudinal offset's position-dependent indicator | Christopher Settje, David L. Schell, Steven Koldewyn, Reed D. Hanson | 2006-08-15 |
| 7064914 | Position error signal quality | Mehmet Fatih Erden, Richard Lyle Keizer, Alexei H. Sacks | 2006-06-20 |
| 6882487 | Compensation for timing variation in disc drives employing servo tracking systems | Reed D. Hanson, Dustin M. Cvancara, Nathaniel B. Wilson | 2005-04-19 |
| 6878426 | Recording media with mechanically patterned landing zone | James E. Angelo, Mukund Rao, Alexei H. Sacks, David S. Kuo, Serge Fayeulle | 2005-04-12 |
| 6751045 | Compensation for repeatable run-out error | John C. Morris, Brian Pollock | 2004-06-15 |
| 6678110 | Robust servo demodulation filtering method | — | 2004-01-13 |
| 6627254 | Method of manufacturing a recording media with mechanically patterned landing zone | James E. Angelo, Mukund Rao, Alexei H. Sacks, David S. Kuo, Serge Fayeulle | 2003-09-30 |
| 6556933 | Transducer instability detection in a digital channel | Alexei H. Sacks | 2003-04-29 |
| 6510015 | Magnetic disc having physical servo patterns with a magnetic carrier, and method of making and using the same | Alexei H. Sacks, Patrick John Korkowski, Karl A. Belser | 2003-01-21 |