Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12170103 | System and method for disk drive fly height measurement | Paolo Pulici, Michele Bartolini, Enrico Sentieri, Enrico Mammei, Matteo Tonelli | 2024-12-17 |
| 11756582 | System and method for disk drive fly height measurement | Paolo Pulici, Michele Bartolini, Enrico Sentieri, Enrico Mammei | 2023-09-12 |
| 11657846 | Automatic skew calibration circuit for pattern-dependent dynamic wave shaping for HDD preamplifier write | Enrico Mammei, Paolo Sanna, Edoardo Contini | 2023-05-23 |
| 9972344 | Data storage device modifying write operation when a laser mode hop is detected | Huanxiang Ruan, Galvin T. Chia, Prakash Balasubramaniam, Phillip S. Haralson | 2018-05-15 |
| 9747928 | Data storage device modifying write operation when a laser mode hop is detected | Huanxiang Ruan, Galvin T. Chia, Prakash Balasubramaniam, Phillip S. Haralson | 2017-08-29 |
| 9368132 | Data storage device employing differential write data signal and differential write pattern signal | — | 2016-06-14 |
| 9299371 | Disk drive slider with sense amplifier for coupling to a preamp through a supply/bias line and a read signal line | — | 2016-03-29 |
| 9060420 | Method of manufacturing a double sided flex circuit for a disk drive wherein a first side lead provides an etching mask for a second side lead | — | 2015-06-16 |
| 9053730 | Disk drive comprising extended range head proximity sensor | — | 2015-06-09 |
| 9047917 | Disk drive slider with sense amplifier for coupling to a preamp through a supply/bias line and a read signal line | — | 2015-06-02 |
| 9042208 | Disk drive measuring fly height by applying a bias voltage to an electrically insulated write component of a head | Bernhard E. Knigge, Jian Xu, Lisha Wang | 2015-05-26 |
| 8941941 | Disk drive calibrating touchdown sensor | Amy R. Lundberg | 2015-01-27 |
| 8681442 | Disk drive comprising extended range head proximity sensor | — | 2014-03-25 |
| 8599512 | Current sensor comprising differential amplifier biased by leakage current | — | 2013-12-03 |
| 8576509 | Disk drive configuring dual fly height actuators during write operation | — | 2013-11-05 |
| 8441909 | Disk drive increasing laser power at beginning of write in heat assisted magnetic recording | Pradeep K. Thayamballi, Wentao Yan, Matthew R. Gibbons | 2013-05-14 |
| 8422172 | Actuator trace through a die | Housan Dakroub | 2013-04-16 |
| 8390948 | Disk drive employing a preamp comprising read/write pass throughs for cascading integrated circuits | — | 2013-03-05 |
| 8279550 | Fly height sensor control circuit | — | 2012-10-02 |
| 8139310 | Fly height sensor control circuit | — | 2012-03-20 |
| 7804657 | Setting an operating bias current for a magnetoresistive head using ratio of target voltage and measured voltage | Jonas Goode, Tuyen V. Trinh | 2010-09-28 |
| 7339268 | Thermal dissipation from a flip chip through an aperture in a flex cable | Shufun Ho, Alex Y. Tsay, Ali Hosseinzadeh, Chee Shu Tay | 2008-03-04 |
| 7092186 | Demagnetizing a head in a disk drive by increasing the frequency of an AC write signal while maintaining the write current amplitude | — | 2006-08-15 |
| 7046488 | Disk drive comprising depletion mode MOSFET for protecting a head from electrostatic discharge | — | 2006-05-16 |
| 7009820 | Disk drive comprising depletion mode MOSFETs for protecting a head from electrostatic discharge | — | 2006-03-07 |