Gregory Michael Frees

Person

Los Alto, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Data storage device executing just-in-time refresh
- Patent number 11,276,431
- Issue date Mar 15, 2022
- Western Digital Technologies, Inc.
- Zarko Popov
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for correcting for head tilt in HDD
- Patent number 7,411,760
- Issue date Aug 12, 2008
- Hitachi Global Storage Technologies Netherlands B.V.
- Daniel Jonathan Auerbach
- G11 - INFORMATION STORAGE
Information Patent Grant
Mounting interface for a spindle motor
- Patent number 7,251,100
- Issue date Jul 31, 2007
- Hitachi Global Storage Technologies Netherlands B.V.
- Gregory Michael Frees
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for correcting for head tilt in HDD
- Patent number 7,133,235
- Issue date Nov 7, 2006
- Hitachi Global Storage Technologies Netherlands, B.V.
- Daniel Jonathan Auerbach
- G11 - INFORMATION STORAGE
Information Patent Grant
System and method for correcting for head tilt in HDD
- Patent number 7,009,795
- Issue date Mar 7, 2006
- Hitachi Global Storage Technologies Netherlands, B.V.
- Daniel Jonathan Auerbach
- G11 - INFORMATION STORAGE
Information Patent Grant
Tangential misalignment precompensation in a direct access storage...
- Patent number 6,577,463
- Issue date Jun 10, 2003
- International Business Machines Corporation
- Gregory Michael Frees
- G11 - INFORMATION STORAGE
Information Patent Grant
Vibration mode compensation for disk drive
- Patent number 6,567,231
- Issue date May 20, 2003
- International Business Machines Corporation
- Gregory Michael Frees
- G11 - INFORMATION STORAGE
Information Patent Grant
Position error signal linearization using an auxiliary discontinuit...
- Patent number 6,522,493
- Issue date Feb 18, 2003
- International Business Machines Corporation
- Jeff J. Dobbek
- G11 - INFORMATION STORAGE
Information Patent Grant
Position error signal calibration using measured bursts
- Patent number 6,429,995
- Issue date Aug 6, 2002
- International Business Machines Corporation
- Jeff J. Dobbek
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive apparatus, attachment structure, and attachment method
- Patent number 6,327,115
- Issue date Dec 4, 2001
- International Business Machines Corporation
- Kiyoshi Satoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo system responsive to temperature changes
- Patent number 6,188,191
- Issue date Feb 13, 2001
- International Business Machines Corporation
- Gregory Michael Frees
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for writing servo information on a magnetic recording disk
- Patent number 6,178,059
- Issue date Jan 23, 2001
- International Business Machines Corporation
- Gregory Michael Frees
- G11 - INFORMATION STORAGE
Information Patent Grant
Head selectable servo notch filter and method for improving servo s...
- Patent number 6,122,125
- Issue date Sep 19, 2000
- International Business Machines Corporation
- Donald Lee Clare
- G11 - INFORMATION STORAGE
Information Patent Grant
Dynamically tuned outer arms for improved rotary actuator performance
- Patent number 5,905,608
- Issue date May 18, 1999
- International Business Machines Corporation
- Gregory Michael Frees
- G11 - INFORMATION STORAGE
Information Patent Grant
Stepped spindle motor shaft to reduce disk drive acoustic noise
- Patent number 5,625,511
- Issue date Apr 29, 1997
- International Business Machines Corporation
- Peter E. Brooks
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Damping post for reducing acoustic noise in a disk drive
- Patent number 5,598,306
- Issue date Jan 28, 1997
- International Business Machines Corporation
- Gregory M. Frees
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
System and method for correcting for head tilt in HDD
- Publication number 20070047129
- Publication date Mar 1, 2007
- Daniel Jonathan Auerbach
- G11 - INFORMATION STORAGE
Information Patent Application
System and method for correcting for head tilt in HDD
- Publication number 20050190481
- Publication date Sep 1, 2005
- Hitachi Global Storage Technologies
- Daniel Jonathan Auerbach
- G11 - INFORMATION STORAGE
Information Patent Application
System and method for correcting for head tilt in HDD
- Publication number 20050185318
- Publication date Aug 25, 2005
- Hitachi Global Storage Technologies
- Daniel Jonathan Auerbach
- G11 - INFORMATION STORAGE

Gregory Michael Frees

Person

Patents Grantslast 30 patents

Data storage device executing just-in-time refresh

System and method for correcting for head tilt in HDD

Mounting interface for a spindle motor

System and method for correcting for head tilt in HDD

System and method for correcting for head tilt in HDD

Tangential misalignment precompensation in a direct access storage...

Vibration mode compensation for disk drive

Position error signal linearization using an auxiliary discontinuit...

Position error signal calibration using measured bursts

Disk drive apparatus, attachment structure, and attachment method

Servo system responsive to temperature changes

Method for writing servo information on a magnetic recording disk

Head selectable servo notch filter and method for improving servo s...

Dynamically tuned outer arms for improved rotary actuator performance

Stepped spindle motor shaft to reduce disk drive acoustic noise

Damping post for reducing acoustic noise in a disk drive

Patents Applicationslast 30 patents

System and method for correcting for head tilt in HDD

System and method for correcting for head tilt in HDD

System and method for correcting for head tilt in HDD