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David M. Drouin
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Drive method for starting and operating a resonant scanning MEMS de...
Patent number
8,606,410
Issue date
Dec 10, 2013
Headway Technologies, Inc.
David Drouin
G02 - OPTICS
Information
Patent Grant
Feed-forward method for repeatable runout cancellation
Patent number
7,787,210
Issue date
Aug 31, 2010
Headway Technologies, Inc.
David Drouin
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus to measure disk drive head load/unload velocity
Patent number
6,894,453
Issue date
May 17, 2005
Riospring, Inc.
David M. Drouin
G11 - INFORMATION STORAGE
Information
Patent Grant
Multiple disk write method and device
Patent number
6,369,970
Issue date
Apr 9, 2002
Castlewood Systems, Inc.
Howard Steinhoff
G11 - INFORMATION STORAGE
Information
Patent Grant
Disk speed profile method and device
Patent number
6,353,510
Issue date
Mar 5, 2002
Castlewood Systems, Inc.
David Drouin
G11 - INFORMATION STORAGE
Information
Patent Grant
Burst pattern for detecting the position of a read/write head relat...
Patent number
6,226,142
Issue date
May 1, 2001
Castlewood Systems, Inc.
David Drouin
G11 - INFORMATION STORAGE
Information
Patent Grant
Data sector timing compensation technique based upon drive eccentri...
Patent number
6,191,904
Issue date
Feb 20, 2001
Castlewood Systems, Inc.
Vien N. Nguyen
G11 - INFORMATION STORAGE
Information
Patent Grant
Servo-burst gray code pattern
Patent number
6,104,568
Issue date
Aug 15, 2000
Castlewod Systems, Inc.
David Drouin
G11 - INFORMATION STORAGE
Information
Patent Grant
Power-off method and device for electronic storage apparatus
Patent number
6,081,400
Issue date
Jun 27, 2000
Castlewood Systems, Inc.
Li-Hsin Lu
G11 - INFORMATION STORAGE
Information
Patent Grant
Method for applying optimal seeking technique to disk file with exc...
Patent number
5,886,846
Issue date
Mar 23, 1999
SyQuest Technology, Inc.
Ich Pham
G11 - INFORMATION STORAGE
Information
Patent Grant
Applying an adaptive feed-forward algorithm as a frequency selectiv...
Patent number
5,550,685
Issue date
Aug 27, 1996
SyQuest Technology, Inc.
David M. Drouin
G11 - INFORMATION STORAGE
Information
Patent Grant
Technique for generating audible signals in a disk drive employing...
Patent number
5,526,212
Issue date
Jun 11, 1996
SyQuest Technology, Inc.
David M. Drouin
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
Information
Patent Application
Drive method for starting and operating a resonant scanning MEMS de...
Publication number
20110320046
Publication date
Dec 29, 2011
HEADWAY TECHNOLOGIES, INC.
David Drouin
G02 - OPTICS
Information
Patent Application
FEED-FORWARD METHOD FOR REPEATABLE RUNOUT CANCELLATION
Publication number
20100238588
Publication date
Sep 23, 2010
HEADWAY TECHNOLOGIES, INC.
David Drouin
G11 - INFORMATION STORAGE
Information
Patent Application
Handling data fault and retry in writing/reading data to/from a disk
Publication number
20040100712
Publication date
May 27, 2004
Riospring, Inc.
David M. Drouin
G11 - INFORMATION STORAGE
Information
Patent Application
Method and apparatus to measure disk drive head load/unload velocity
Publication number
20040080857
Publication date
Apr 29, 2004
Riospring, Inc.
David M. Drouin
G11 - INFORMATION STORAGE
Information
Patent Application
Apparatus to remove memory or storage devices from equipment
Publication number
20040076103
Publication date
Apr 22, 2004
Riospring, Inc.
David M. Drouin
G11 - INFORMATION STORAGE
Information
Patent Application
Disk speed profile method and device
Publication number
20010043425
Publication date
Nov 22, 2001
David Drouin
G11 - INFORMATION STORAGE
Information
Patent Application
Head loading and unloading method and device
Publication number
20010019463
Publication date
Sep 6, 2001
Castlewood Systems, Inc.
David Drouin
G11 - INFORMATION STORAGE
Information
Patent Application
Power-off method and device for electronic storage apparatus
Publication number
20010012171
Publication date
Aug 9, 2001
Castlewood Systems, Inc.
Li-Hsin Lu
G11 - INFORMATION STORAGE