John Leighton

Person

Anoka, MN, US

People

Patents Grantslast 30 patents

Information Patent Grant
Integrated bias and offset recovery amplifier
- Patent number 7,339,760
- Issue date Mar 4, 2008
- Agere Systems Inc.
- Jeffrey A. Gleason
- G11 - INFORMATION STORAGE
Information Patent Grant
Pre-amplifier employing transistors having a diminished breakdown v...
- Patent number 7,019,923
- Issue date Mar 28, 2006
- Agere Systems Inc.
- John D. Leighton
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Disk drive writer with active reflection cancellation
- Patent number 6,879,456
- Issue date Apr 12, 2005
- Agere Systems Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive writer with capacitive boost
- Patent number 6,813,110
- Issue date Nov 2, 2004
- Agere Systems Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive writer waveform induced precompensation
- Patent number 6,785,071
- Issue date Aug 31, 2004
- Agere Systems Inc.
- Carl F. Elliott
- G11 - INFORMATION STORAGE
Information Patent Grant
Dual-sense impedance-matched reader
- Patent number 6,707,625
- Issue date Mar 16, 2004
- Agere Systems Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Impedance-matched write circuit
- Patent number 6,512,646
- Issue date Jan 28, 2003
- Agere Systems Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Pulse-mode writer
- Patent number 6,493,161
- Issue date Dec 10, 2002
- Agere Systems Inc.
- Carl F. Elliott
- G11 - INFORMATION STORAGE
Information Patent Grant
Impedance-matched, voltage-mode H-bridge write drivers
- Patent number 6,285,221
- Issue date Sep 4, 2001
- Agere Systems Guardian Corp.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Current bias, current sense preamplifier for a magnetoresistive reader
- Patent number 6,275,347
- Issue date Aug 14, 2001
- Agere Systems Guardian Corp.
- Tuan V. Ngo
- G11 - INFORMATION STORAGE
Information Patent Grant
Echo cancellation for disk drive read circuit
- Patent number 6,256,161
- Issue date Jul 3, 2001
- Agere Systems Guardian Corp.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Voltage-mode boosting circuit for write driver
- Patent number 6,236,246
- Issue date May 22, 2001
- Lucent Technologies Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
Impedance matched, voltage-mode H-bridge write drivers
- Patent number 6,121,800
- Issue date Sep 19, 2000
- Lucent Technologies, Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Grant
On-chip regulator providing good high frequency rejection and noise...
- Patent number 5,942,934
- Issue date Aug 24, 1999
- VTC Inc.
- Tuan V. Ngo
- G05 - CONTROLLING REGULATING
Information Patent Grant
Method of fabricating a segmented emitter low noise transistor
- Patent number 5,821,148
- Issue date Oct 13, 1998
- VTC Inc.
- John Leighton
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Segmented emitter low noise transistor
- Patent number 5,723,897
- Issue date Mar 3, 1998
- VTC Inc.
- John Leighton
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Power supply filter with active element assist
- Patent number 5,721,484
- Issue date Feb 24, 1998
- VTC, Inc.
- Tuan V. Ngo
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Integrated bias and offset recovery amplifier
- Publication number 20050168860
- Publication date Aug 4, 2005
- Jeffrey A. Gleason
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Disk drive writer with active reflection cancellation
- Publication number 20040032682
- Publication date Feb 19, 2004
- Agere Systems, Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Application
Disk drive writer with capacitive boost
- Publication number 20040032684
- Publication date Feb 19, 2004
- Agere Systems Inc.
- John D. Leighton
- G11 - INFORMATION STORAGE
Information Patent Application
Pre-amplifier employing transistors having a diminished breakdown v...
- Publication number 20030234689
- Publication date Dec 25, 2003
- Agere Systems, Inc.
- John D. Leighton
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Disk drive writer waveform induced precompensation
- Publication number 20030189778
- Publication date Oct 9, 2003
- Carl F. Elliott
- G11 - INFORMATION STORAGE
Information Patent Application
Look ahead write precompensation
- Publication number 20020159176
- Publication date Oct 31, 2002
- Agere Systems Guardian Corp.
- Carl F. Elliott
- G11 - INFORMATION STORAGE
Information Patent Application
Dual-sense impedance-matched reader
- Publication number 20020154431
- Publication date Oct 24, 2002
- Agere Systems Guardian Corp.
- John D. Leighton
- G11 - INFORMATION STORAGE

John Leighton

Person

Patents Grantslast 30 patents

Integrated bias and offset recovery amplifier

Pre-amplifier employing transistors having a diminished breakdown v...

Disk drive writer with active reflection cancellation

Disk drive writer with capacitive boost

Disk drive writer waveform induced precompensation

Dual-sense impedance-matched reader

Impedance-matched write circuit

Pulse-mode writer

Impedance-matched, voltage-mode H-bridge write drivers

Current bias, current sense preamplifier for a magnetoresistive reader

Echo cancellation for disk drive read circuit

Voltage-mode boosting circuit for write driver

Impedance matched, voltage-mode H-bridge write drivers

On-chip regulator providing good high frequency rejection and noise...

Method of fabricating a segmented emitter low noise transistor

Segmented emitter low noise transistor

Power supply filter with active element assist

Patents Applicationslast 30 patents

Integrated bias and offset recovery amplifier

Disk drive writer with active reflection cancellation

Disk drive writer with capacitive boost

Pre-amplifier employing transistors having a diminished breakdown v...

Disk drive writer waveform induced precompensation

Look ahead write precompensation

Dual-sense impedance-matched reader