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Michael Leis
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Farmington, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Accurate and versatile back EMF sensor
Patent number
8,154,238
Issue date
Apr 10, 2012
Seagate Technology LLC
Michael Leis
G05 - CONTROLLING REGULATING
Information
Patent Grant
Electronic device with temporary flag for fail safe and power cycling
Patent number
7,992,029
Issue date
Aug 2, 2011
Seagate Technology LLC
Michael Leis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Acoustic damping pad that reduces deflection of a circuit board
Patent number
7,742,257
Issue date
Jun 22, 2010
Seagate Technology LLC
Edward G. Acciardi
G11 - INFORMATION STORAGE
Information
Patent Grant
Temperature-adaptive open-loop control of active latch
Patent number
7,548,391
Issue date
Jun 16, 2009
Seagate Technology, LLC
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Grant
Controlling head flying height based on head heater resistance
Patent number
7,477,470
Issue date
Jan 13, 2009
Seagate Technology LLC
Michael Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drives with radially aligned servo burst patterns that generat...
Patent number
7,342,734
Issue date
Mar 11, 2008
Maxtor Corporation
Ara Patapoutian
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk drive that generates a position error signal and a fly height...
Patent number
7,253,984
Issue date
Aug 7, 2007
Maxtor Corporation
Ara Patapoutian
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for selecting storage capacity of data storage...
Patent number
6,957,379
Issue date
Oct 18, 2005
Maxtor Corporation
Ara Patapoutian
G11 - INFORMATION STORAGE
Information
Patent Grant
Detecting errors in coded bit strings
Patent number
6,691,278
Issue date
Feb 10, 2004
Maxtor Corporation
Ara Patapoutian
G11 - INFORMATION STORAGE
Information
Patent Grant
Mass storage device with network interface
Patent number
6,622,164
Issue date
Sep 16, 2003
Quantum Corp.
Joel N. Harrison
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Avoiding asperities on a storage medium
Patent number
6,567,229
Issue date
May 20, 2003
Maxtor Corporation
Michael Mallary
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous detection of wide bi-phase coded servo information for...
Patent number
6,452,990
Issue date
Sep 17, 2002
Maxtor Corporation
Michael D. Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for using block reread
Patent number
6,412,088
Issue date
Jun 25, 2002
Maxtor Corporation
Ara Patapoutian
G11 - INFORMATION STORAGE
Information
Patent Grant
Synchronous detection of wide bi-phase coded servo information for...
Patent number
5,862,005
Issue date
Jan 19, 1999
Quantum Corporation
Michael D. Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
ECC system supporting different-length Reed-Solomon codes whose gen...
Patent number
5,768,296
Issue date
Jun 16, 1998
Quantum Corporation
Diana Langer
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Method and apparatus for encoding data with variable block lengths
Patent number
5,574,448
Issue date
Nov 12, 1996
Quantum Corporation
Lih-Jyh Weng
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Coherent multi-frequency synthesis
Patent number
5,128,809
Issue date
Jul 7, 1992
Digital Equipment Corporation
Michael D. Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
Auto-centered phase-locked loop
Patent number
5,119,043
Issue date
Jun 2, 1992
Digital Equipment Corporation
Russell W. Borwn
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
High efficiency disk format and synchronization system
Patent number
5,036,408
Issue date
Jul 30, 1991
Digital Equipment Corporation
Michael D. Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase locked loop with bandwidth ramp
Patent number
4,954,788
Issue date
Sep 4, 1990
Digital Equipment Corporation
Michael Leis
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multiple bandwidth filter system for phase locked loop
Patent number
4,928,075
Issue date
May 22, 1990
Digital Equipment Corporation
Michael D. Leis
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Data decoding circuit including phase-locked loop timing
Patent number
4,908,841
Issue date
Mar 13, 1990
Digital Equipment Corporation
Michael Leis
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Automatic gain control system
Patent number
4,849,711
Issue date
Jul 18, 1989
Digital Equipment Corporation
Michael Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
Digital velocity servo
Patent number
4,380,723
Issue date
Apr 19, 1983
Digital Equipment Corporation
Michael D. Leis
G01 - MEASURING TESTING
Information
Patent Grant
Positioning system and formatting scheme for magnetic tape media
Patent number
4,321,632
Issue date
Mar 23, 1982
Digital Equipment Corporation
Michael D. Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
Edge-loading tape deck or holder
Patent number
3,988,779
Issue date
Oct 26, 1976
Digital Equipment Corporation
Michael D. Leis
G11 - INFORMATION STORAGE
Information
Patent Grant
Scan control circuit for a video terminal display device using feed...
Patent number
3,983,451
Issue date
Sep 28, 1976
Digital Equipment Corporation
Michael Leis
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
Accurate and Versatile Back EMF Sensor
Publication number
20100225265
Publication date
Sep 9, 2010
Seagate Technology LLC
Michael Leis
G05 - CONTROLLING REGULATING
Information
Patent Application
Temperature-adaptive open-loop control of active latch
Publication number
20080019053
Publication date
Jan 24, 2008
Seagate Technology LLC
Yanning Liu
G11 - INFORMATION STORAGE
Information
Patent Application
Disc Clamp Having Force Distributing Features
Publication number
20070242388
Publication date
Oct 18, 2007
Maxtor Corporation
Bulent Goksel
G11 - INFORMATION STORAGE
Information
Patent Application
Controlling head flying height based on head heater resistance
Publication number
20070230020
Publication date
Oct 4, 2007
Michael Leis
G11 - INFORMATION STORAGE
Information
Patent Application
Electronic device with temporary flag for fail safe and power cycling
Publication number
20070208957
Publication date
Sep 6, 2007
Michael Leis
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Acoustic Damping Pad That Reduces Deflection of a Circuit Board
Publication number
20070165328
Publication date
Jul 19, 2007
Maxtor Corporation
Edward G. Acciardi
G11 - INFORMATION STORAGE
Information
Patent Application
Synchronous detection of wide bi-phase coded servo information for...
Publication number
20020150179
Publication date
Oct 17, 2002
Maxtor Corporation
Michael D. Leis
G11 - INFORMATION STORAGE