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Jacobus van Peppen
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Characteristically terminated write driver with compensation for ma...
Patent number
6,671,113
Issue date
Dec 30, 2003
International Business Machines Corporation
Klaas Berend Klaassen
G11 - INFORMATION STORAGE
Information
Patent Grant
Data storage device having selectable performance modes for use in...
Patent number
6,622,252
Issue date
Sep 16, 2003
International Business Machines Corporation
Klaas Berend Klaassen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Integrated trace suspension interconnect for high-data-rate single-...
Patent number
6,608,736
Issue date
Aug 19, 2003
International Business Machines Corporation
Klaas Berend Klaassen
G11 - INFORMATION STORAGE
Information
Patent Grant
Wideband readout of magneto-resistive heads for data storage
Patent number
6,606,212
Issue date
Aug 12, 2003
International Business Machines Corporation
Klaassen Berend Klaassen
G11 - INFORMATION STORAGE
Information
Patent Grant
Quasi-current sensing input impedance controlled preamplifier for m...
Patent number
6,420,910
Issue date
Jul 16, 2002
International Business Machines Corporation
John Thomas Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistive asymmetry correction circuit
Patent number
6,400,518
Issue date
Jun 4, 2002
International Business Machines Corporation
Jaydip Bhaumik
G11 - INFORMATION STORAGE
Information
Patent Grant
Write head impedance termination in magnetic recording
Patent number
6,331,919
Issue date
Dec 18, 2001
International Business Machines Corporation
Klaassen Berend Klaassen
G11 - INFORMATION STORAGE
Information
Patent Grant
By-pass write drivers for high-performance data recording
Patent number
6,201,653
Issue date
Mar 13, 2001
International Business Machines Corporation
John T. Contreras
G11 - INFORMATION STORAGE
Information
Patent Grant
Electronic magnetoresistive voltage biasing using a circuit and cur...
Patent number
6,101,056
Issue date
Aug 8, 2000
International Business Machines Corporation
Klaas Berend Klaassen
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Electronic magnetoresistive sensor biasing using a transducer equiv...
Patent number
5,986,839
Issue date
Nov 16, 1999
International Business Machines Corporation
Klaas Berend Klaassen
B82 - NANO-TECHNOLOGY
Information
Patent Grant
High CMRR and sensor-disk short-circuit protection device for dual...
Patent number
5,953,173
Issue date
Sep 14, 1999
International Business Machines Corporation
Klaas Berend Klaassen
G11 - INFORMATION STORAGE
Information
Patent Grant
Magneto-resistive head pre-amplifying circuit for avoiding output v...
Patent number
5,877,911
Issue date
Mar 2, 1999
International Business Machines Corporation
Klaas Berend Klaassen
G11 - INFORMATION STORAGE
Information
Patent Grant
Suppression of magnetic instability in inductive recording heads
Patent number
5,309,298
Issue date
May 3, 1994
International Business Machines Corporation
Klaas B. Klaasen
G11 - INFORMATION STORAGE
Information
Patent Grant
Differential amplifier for optical detectors in an optical data sto...
Patent number
5,287,340
Issue date
Feb 15, 1994
International Business Machines Corporation
Dale B. Chapman
G11 - INFORMATION STORAGE
Information
Patent Grant
Low-voltage, low-power amplifier for magnetoresistive sensor
Patent number
5,270,882
Issue date
Dec 14, 1993
International Business Machines Corporation
Stephen A. Jove
G11 - INFORMATION STORAGE
Information
Patent Grant
Controlled magnetic recording head relaxation in a magnetic recordi...
Patent number
5,168,395
Issue date
Dec 1, 1992
International Business Machines Corporation
Klaas B. Klaassen
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and circuitry to suppress additive disturbances in data chan...
Patent number
5,057,785
Issue date
Oct 15, 1991
International Business Machines Corporation
Paul W. Chung
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and circuitry to suppress additive disturbances in data chan...
Patent number
4,914,398
Issue date
Apr 3, 1990
International Business Machines Corporation
Stephen A. Jove
G11 - INFORMATION STORAGE
Information
Patent Grant
Protective circuit for a magnetoresistive element
Patent number
4,879,610
Issue date
Nov 7, 1989
International Business Machines Corporation
Stephen A. Jove
G11 - INFORMATION STORAGE
Information
Patent Grant
Voltage amplifier for constant voltage biasing and amplifying signa...
Patent number
4,786,993
Issue date
Nov 22, 1988
International Business Machines Corporation
Stephen A. Jove
G11 - INFORMATION STORAGE
Information
Patent Grant
Method and apparatus for in-situ measurement of head/recording medi...
Patent number
4,777,544
Issue date
Oct 11, 1988
International Business Machine Corporation
Byron R. Brown
G11 - INFORMATION STORAGE
Information
Patent Grant
Frequency response compensation circuit
Patent number
4,743,861
Issue date
May 10, 1988
International Business Machines Corporation
Stephen A. Jove
G11 - INFORMATION STORAGE
Patents Applications
last 30 patents
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Patent Application
Circuitry for linear control of head flying height using thermal means
Publication number
20050201001
Publication date
Sep 15, 2005
Hitachi Global Storage Technologies, B.V.
John Thomas Conteras
G11 - INFORMATION STORAGE
Information
Patent Application
Preamplifier circuit with signal interference cancellation suitable...
Publication number
20050174669
Publication date
Aug 11, 2005
John Thomas Contreras
G11 - INFORMATION STORAGE