JC

John Contreras

HB Hgst Netherlands, B.V.: 41 patents #1 of 972Top 1%
WT Western Digital Technologies: 38 patents #38 of 3,180Top 2%
HG HGST: 26 patents #44 of 1,677Top 3%
IBM: 12 patents #9,222 of 70,183Top 15%
ST Sandisk Technologies: 2 patents #967 of 2,224Top 45%
📍 Palo Alto, CA: #76 of 9,675 inventorsTop 1%
🗺 California: #1,595 of 386,348 inventorsTop 1%
Overall (All Time): #10,116 of 4,157,543Top 1%
119
Patents All Time

Issued Patents All Time

Showing 101–119 of 119 patents

Patent #TitleCo-InventorsDate
7660068 Method and system for pre-contact detection and active damping of air bearing vibrations in a hard disk drive Peter Michael Baumgart, Luiz M. Franca-Neto, Bernhard E. Knigge, Richard Kroeker, Gurinder Singh 2010-02-09
7619843 Write through drivers for disk drive systems Klaas B. Klaassen 2009-11-17
7545608 Current-perpendicular-to-the-plane (CPP) magnetoresistive sensor with impedance adjustment Satoru Araki, Klaas B. Klaassen, Ramona Marie Patterson, David J. Seagle, Howard Gordon Zolla 2009-06-09
7489479 Electrical lead suspension having partitioned air slots Satya Prakash Arya, Klaas B. Klaassen, Nobumasa Nishiyama 2009-02-10
7417209 Recording disk drive with reduced noise thermal flyheight control Takashi Ikeda, Yumi Nagano, Nobumasa Nishiyama, Toyomi Ohsawa, Mike Suk 2008-08-26
7352535 Method and apparatus for reducing crosstalk and signal loss in flexing interconnects of an electrical lead suspension Satya Prakash Arya, Klaas B. Klaassen, Nobumasa Nishiyama 2008-04-01
7177107 Preamplifier circuit with signal interference cancellation suitable for use in magnetic storage devices Klaas B. Klaassen, Jacobus C. L. van Peppen 2007-02-13
6822817 Preamplifier circuit suitable for use in magnetic storage devices Paul W. Chung, Stephen A. Jove 2004-11-23
6420910 Quasi-current sensing input impedance controlled preamplifier for magnetoresistive elements Paul W. Chung, Stephen A. Jove, Klaas B. Klaassen, Jacobus C. L. van Peppen 2002-07-16
6356113 Recording channel with voltage-type write driver for use with transmission-line interconnect David A. Freitas, Klaassen Berend Klaassen 2002-03-12
6340882 Accurate current source with an adjustable temperature dependence circuit Paul W. Chung 2002-01-22
6201653 By-pass write drivers for high-performance data recording Klaas B. Klaassen, Jacobus C. L. van Peppen 2001-03-13
6181527 Transducer suspension system including a frequency dependent shunt Klaas Bevend Klaassen, Darrell D. Palmer 2001-01-30
6014281 Using a read element and a read/write coupling path to detect write-safe conditions 2000-01-11
5969523 Preamplifier bias mode to re-initialize a GMR head after losing initialization Paul W. Chung, Klaas B. Klaassen, Calvin Shizuo Nomura 1999-10-19
5822141 High speed FET write driver for an inductive head Paul W. Chung, Calvin Shizuo Nomura 1998-10-13
5774291 Voltage measurement circuit for a magnetoresistive head installed in a disk enclosure Glen Garfunkel, Calvin Shizuo Nomura 1998-06-30
5323278 Low noise amplifier circuit for magnetoresistive sensors for fast read-write switching in low supply voltage applications Stephen A. Jove, Klaas B. Klaassen, Jacobus C. Leonardus van Peppen 1994-06-21
5296975 High-transition-rate, low-supply-voltage write driver circuitry for magnetic inductive write head Stephen A. Jove, Klaas B. Klassen, Jacobus C. Leonardus van Peppen 1994-03-22