Kenneth A. Haapala

Person

Plymouth, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
On-cartridge encryption key storage for cartridge-based library
- Patent number 11,843,692
- Issue date Dec 12, 2023
- Seagate Technology LLC
- Riyan Alex Mendonsa
- G11 - INFORMATION STORAGE
Information Patent Grant
Off-cartridge encryption key storage for cartridge-based library
- Patent number 11,354,398
- Issue date Jun 7, 2022
- Seagate Technology LLC
- Riyan Alex Mendonsa
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Parallel servo control in a data storage device
- Patent number 10,964,345
- Issue date Mar 30, 2021
- Seagate Technology LLC
- Kenneth Haapala
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual actuator storage device utilizing multiple disk zones
- Patent number 10,783,910
- Issue date Sep 22, 2020
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk device having coupling observers for reducing couplin...
- Patent number 10,741,210
- Issue date Aug 11, 2020
- Seagate Technology LLC
- Gary Ernest Hillukka
- G11 - INFORMATION STORAGE
Information Patent Grant
Managing storage device media data rates
- Patent number 10,629,238
- Issue date Apr 21, 2020
- Seagate Technology LLC
- Bruce Buch
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Dual actuator storage device utilizing multiple disk zones
- Patent number 10,431,246
- Issue date Oct 1, 2019
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Boosted preheat trajectory to obtain desired clearance before writi...
- Patent number 10,366,719
- Issue date Jul 30, 2019
- Seagate Technology LLC
- Jason W. Riddering
- G11 - INFORMATION STORAGE
Information Patent Grant
Hysteresis compensation in a disc drive
- Patent number 10,068,598
- Issue date Sep 4, 2018
- Seagate Technology LLC
- Reed D. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive write fault thresholds
- Patent number 10,014,020
- Issue date Jul 3, 2018
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Hysteresis compensation in a disc drive
- Patent number 9,934,802
- Issue date Apr 3, 2018
- Seagate Technology LLC
- Reed D. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Feedforward compensation for multi-actuator hard drives
- Patent number 9,911,442
- Issue date Mar 6, 2018
- Seagate Technology LLC
- Evgeny Kharisov
- G11 - INFORMATION STORAGE
Information Patent Grant
Reader design for interlaced magnetic recording
- Patent number 9,858,961
- Issue date Jan 2, 2018
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic storage device readers
- Patent number 9,818,445
- Issue date Nov 14, 2017
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Servo parameterization for multi-sensor reader
- Patent number 9,761,258
- Issue date Sep 12, 2017
- Seagate Technology LLC
- Kenneth A. Haapala
- G11 - INFORMATION STORAGE
Information Patent Grant
Methods and devices for track seeking using microactuators
- Patent number 9,741,379
- Issue date Aug 22, 2017
- Seagate Technology LLC
- Reed D. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Hysteresis compensation in a disc drive
- Patent number 9,728,213
- Issue date Aug 8, 2017
- Seagate Technology LLC
- Reed D. Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Adaptive write fault thresholds
- Patent number 9,691,418
- Issue date Jun 27, 2017
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Repeated runout (RRO) compensation for alternating tracks in an int...
- Patent number 9,508,370
- Issue date Nov 29, 2016
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and method for measuring slider fly height relative to bi...
- Patent number 9,502,063
- Issue date Nov 22, 2016
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Adjusting laser power to achieve equivalent track spacing for paire...
- Patent number 9,495,995
- Issue date Nov 15, 2016
- Seagate Technology LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer efficiency monitoring system
- Patent number 9,396,750
- Issue date Jul 19, 2016
- Seagate Technology LLC
- Alfredo Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive with parallel head actuation
- Patent number 9,361,919
- Issue date Jun 7, 2016
- Seagate Technology LLC
- Binh Kim Lieu
- G11 - INFORMATION STORAGE
Information Patent Grant
Multiple head control using common and differential position error...
- Patent number 9,311,940
- Issue date Apr 12, 2016
- Seagate Technology LLC
- Evgeny Kharisov
- G11 - INFORMATION STORAGE
Information Patent Grant
Apparatus and methods to reduce hard disk drive manufacturing test...
- Patent number 9,142,246
- Issue date Sep 22, 2015
- Seagate Technology LLC
- Jon Trantham
- G11 - INFORMATION STORAGE
Information Patent Grant
Near-field transducer efficiency monitoring system
- Patent number 9,142,244
- Issue date Sep 22, 2015
- Seagate Technology LLC
- Alfredo Sam Chu
- G11 - INFORMATION STORAGE
Information Patent Grant
Head-medium contact detection using introduced heat oscillation
- Patent number 9,047,898
- Issue date Jun 2, 2015
- Seagate Technology LLC
- Dongming Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Head-medium contact detection using introduced heat oscillation
- Patent number 8,638,349
- Issue date Jan 28, 2014
- Seagate Technology LLC
- Dongming Liu
- G11 - INFORMATION STORAGE
Information Patent Grant
Anticipatory track switching
- Patent number 7,885,033
- Issue date Feb 8, 2011
- Seagate Technology LLC
- Reed David Hanson
- G11 - INFORMATION STORAGE
Information Patent Grant
Method and apparatus for reducing vibration in a dynamic system
- Patent number 7,046,478
- Issue date May 16, 2006
- Seagate Technology LLC
- Tao Zhang
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
ON-CARTRIDGE ENCRYPTION KEY STORAGE FOR CARTRIDGE-BASED LIBRARY
- Publication number 20210273786
- Publication date Sep 2, 2021
- SEAGATE TECHNOLOGY LLC
- Riyan Alex MENDONSA
- G11 - INFORMATION STORAGE
Information Patent Application
OFF-CARTRIDGE ENCRYPTION KEY STORAGE FOR CARTRIDGE-BASED LIBRARY
- Publication number 20210271749
- Publication date Sep 2, 2021
- SEAGATE TECHNOLOGY LLC
- Riyan Alex MENDONSA
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
DUAL ACTUATOR STORAGE DEVICE UTILIZING MULTIPLE DISK ZONES
- Publication number 20200013430
- Publication date Jan 9, 2020
- SEAGATE TECHNOLOGY LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Application
HYSTERESIS COMPENSATION IN A DISC DRIVE
- Publication number 20180197569
- Publication date Jul 12, 2018
- SEAGATE TECHNOLOGY LLC
- REED D. HANSON
- G11 - INFORMATION STORAGE
Information Patent Application
DUAL ACTUATOR STORAGE DEVICE UTILIZING MULTIPLE DISK ZONES
- Publication number 20180174613
- Publication date Jun 21, 2018
- SEAGATE TECHNOLOGY LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Application
HYSTERESIS COMPENSATION IN A DISC DRIVE
- Publication number 20170352370
- Publication date Dec 7, 2017
- SEAGATE TECHNOLOGY LLC
- REED D. HANSON
- G11 - INFORMATION STORAGE
Information Patent Application
ADAPTIVE WRITE FAULT THRESHOLDS
- Publication number 20170243609
- Publication date Aug 24, 2017
- SEAGATE TECHNOLOGY LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Application
MAGNETIC STORAGE DEVICE READERS
- Publication number 20170200468
- Publication date Jul 13, 2017
- SEAGATE TECHNOLOGY LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Application
ADAPTIVE WRITE FAULT THRESHOLDS
- Publication number 20170178672
- Publication date Jun 22, 2017
- SEAGATE TECHNOLOGY LLC
- Wenzhong Zhu
- G11 - INFORMATION STORAGE
Information Patent Application
READER DESIGN FOR INTERLACED MAGNETIC RECORDING
- Publication number 20160148645
- Publication date May 26, 2016
- SEAGATE TECHNOLOGY LLC
- Wenzhong Zhu
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
SERVO PARAMETERIZATION FOR MULTI-SENSOR READER
- Publication number 20160049169
- Publication date Feb 18, 2016
- SEAGATE TECHNOLOGY LLC
- Kenneth A. Haapala
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR-FIELD TRANSDUCER EFFICIENCY MONITORING SYSTEM
- Publication number 20150380040
- Publication date Dec 31, 2015
- SEAGATE TECHNOLOGY LLC
- Alfredo Chu
- G11 - INFORMATION STORAGE
Information Patent Application
NEAR-FIELD TRANSDUCER EFFICIENCY MONITORING SYSTEM
- Publication number 20150235665
- Publication date Aug 20, 2015
- SEAGATE TECHNOLOGY LLC
- Alfredo Sam Chu
- G11 - INFORMATION STORAGE
Information Patent Application
HEAD-MEDIUM CONTACT DETECTION USING INTRODUCED HEAT OSCILLATION
- Publication number 20140254040
- Publication date Sep 11, 2014
- SEAGATE TECHNOLOGY LLC
- Dongming Liu
- G11 - INFORMATION STORAGE
Information Patent Application
DETECTION OF PROXIMITY BETWEEN A SENSOR AND AN OBJECT
- Publication number 20120050907
- Publication date Mar 1, 2012
- Seagate Technology LLC
- Kenneth A. Haapala
- G11 - INFORMATION STORAGE
Information Patent Application
ANTICIPATORY TRACK SWITCHING
- Publication number 20090122442
- Publication date May 14, 2009
- Seagate Technology LLC
- Reed David Hanson
- G11 - INFORMATION STORAGE
Information Patent Application
Method and apparatus for reducing vibration in a dynamic system
- Publication number 20050259348
- Publication date Nov 24, 2005
- Tao Zhang
- G11 - INFORMATION STORAGE
Information Patent Application
Contacting point damping method between flex circuit and pivot housing
- Publication number 20030137776
- Publication date Jul 24, 2003
- Liyang Zhoa
- G11 - INFORMATION STORAGE

Kenneth A. Haapala

Person

Patents Grantslast 30 patents

On-cartridge encryption key storage for cartridge-based library

Off-cartridge encryption key storage for cartridge-based library

Parallel servo control in a data storage device

Dual actuator storage device utilizing multiple disk zones

Magnetic disk device having coupling observers for reducing couplin...

Managing storage device media data rates

Dual actuator storage device utilizing multiple disk zones

Boosted preheat trajectory to obtain desired clearance before writi...

Hysteresis compensation in a disc drive

Adaptive write fault thresholds

Hysteresis compensation in a disc drive

Feedforward compensation for multi-actuator hard drives

Reader design for interlaced magnetic recording

Magnetic storage device readers

Servo parameterization for multi-sensor reader

Methods and devices for track seeking using microactuators

Hysteresis compensation in a disc drive

Adaptive write fault thresholds

Repeated runout (RRO) compensation for alternating tracks in an int...

Apparatus and method for measuring slider fly height relative to bi...

Adjusting laser power to achieve equivalent track spacing for paire...

Near-field transducer efficiency monitoring system

Disk drive with parallel head actuation

Multiple head control using common and differential position error...

Apparatus and methods to reduce hard disk drive manufacturing test...

Near-field transducer efficiency monitoring system

Head-medium contact detection using introduced heat oscillation

Head-medium contact detection using introduced heat oscillation

Anticipatory track switching

Method and apparatus for reducing vibration in a dynamic system

Patents Applicationslast 30 patents

ON-CARTRIDGE ENCRYPTION KEY STORAGE FOR CARTRIDGE-BASED LIBRARY

OFF-CARTRIDGE ENCRYPTION KEY STORAGE FOR CARTRIDGE-BASED LIBRARY

DUAL ACTUATOR STORAGE DEVICE UTILIZING MULTIPLE DISK ZONES

HYSTERESIS COMPENSATION IN A DISC DRIVE

DUAL ACTUATOR STORAGE DEVICE UTILIZING MULTIPLE DISK ZONES

HYSTERESIS COMPENSATION IN A DISC DRIVE

ADAPTIVE WRITE FAULT THRESHOLDS

MAGNETIC STORAGE DEVICE READERS

ADAPTIVE WRITE FAULT THRESHOLDS

READER DESIGN FOR INTERLACED MAGNETIC RECORDING

SERVO PARAMETERIZATION FOR MULTI-SENSOR READER

NEAR-FIELD TRANSDUCER EFFICIENCY MONITORING SYSTEM

NEAR-FIELD TRANSDUCER EFFICIENCY MONITORING SYSTEM

HEAD-MEDIUM CONTACT DETECTION USING INTRODUCED HEAT OSCILLATION

DETECTION OF PROXIMITY BETWEEN A SENSOR AND AN OBJECT

ANTICIPATORY TRACK SWITCHING

Method and apparatus for reducing vibration in a dynamic system

Contacting point damping method between flex circuit and pivot housing