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Ralph F. Simmons JR.
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Boise, ID, US
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Patents Grants
last 30 patents
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Patent Grant
Systems and method having data encoded with edge placement equaliza...
Patent number
6,055,117
Issue date
Apr 25, 2000
Hewlett-Packard Company
Lawrence A. Hansen
G11 - INFORMATION STORAGE
Information
Patent Grant
Magnetoresistive transducer conductor configuration
Patent number
5,309,304
Issue date
May 3, 1994
Hewlett-Packard Company
Steven L. Naberhuis
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Information
Patent Grant
Demagnetization of thin film magnetic recording transducers utilizi...
Patent number
4,970,621
Issue date
Nov 13, 1990
Hewlett-Packard Company
Samuel H. Gailbreath
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Information
Patent Grant
Shields of magnetoresistive transducers
Patent number
4,843,506
Issue date
Jun 27, 1989
Hewlett-Packard Company
Hardayal S. Gill
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Information
Patent Grant
Thin film transducer head for inductive recording and magnetoresist...
Patent number
4,555,740
Issue date
Nov 26, 1985
Hewlett-Packard Company
Bruce J. Jackson
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Patents Applications
last 30 patents
Information
Patent Application
Tape drive
Publication number
20080074785
Publication date
Mar 27, 2008
Lawrence A. Hansen
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Information
Patent Application
Weighting servo signals for head positioning
Publication number
20050168864
Publication date
Aug 4, 2005
Vernon L. Knowles
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Information
Patent Application
Read and write head element arrangement
Publication number
20050168865
Publication date
Aug 4, 2005
Ralph F. Simmons
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Information
Patent Application
Interconnect structure having multiple layers of traces for electri...
Publication number
20050134999
Publication date
Jun 23, 2005
Paul W. Poorman
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Information
Patent Application
Tape head assembly
Publication number
20050134991
Publication date
Jun 23, 2005
Lawrence A. Hansen
G11 - INFORMATION STORAGE