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Derek B. Dove
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Mount Kisco, NY, US
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Patents Grants
last 30 patents
Information
Patent Grant
Compact optical system and packaging for head mounted display
Patent number
8,289,231
Issue date
Oct 16, 2012
International Business Machines Corporation
Russell A. Budd
G02 - OPTICS
Information
Patent Grant
Medium containing optical paths and electrically conducting paths f...
Patent number
7,367,715
Issue date
May 6, 2008
International Business Machines Corporation
Russell A. Budd
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Polarization conversion system
Patent number
6,803,972
Issue date
Oct 12, 2004
International Business Machines Corporation
Russell Alan Budd
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Compact optical system and packaging for head mounted display
Patent number
6,747,611
Issue date
Jun 8, 2004
International Business Machines Corporation
Russell A. Budd
G02 - OPTICS
Information
Patent Grant
Thin film materials for the preparation of attenuating phase shift...
Patent number
6,503,664
Issue date
Jan 7, 2003
International Business Machines Corporation
Derek Brian Dove
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for polarization conversion
Patent number
6,341,038
Issue date
Jan 22, 2002
International Business Machines Corporation
Russell Alan Budd
G02 - OPTICS
Information
Patent Grant
Apparatus and method for intensifying illumination brightness by ti...
Patent number
6,332,693
Issue date
Dec 25, 2001
International Business Machines Corporation
Derek Brian Dove
G02 - OPTICS
Information
Patent Grant
Compact optical system for use in virtual display applications
Patent number
6,222,677
Issue date
Apr 24, 2001
International Business Machines Corporation
Russell A. Budd
G02 - OPTICS
Information
Patent Grant
Apparatus and method for intensifying illumination brightness by ti...
Patent number
6,193,393
Issue date
Feb 27, 2001
International Business Machines Corporation
Derek Brian Dove
G02 - OPTICS
Information
Patent Grant
Head mounted display
Patent number
D436960
Issue date
Jan 30, 2001
International Business Machines Corporation
Russell A. Budd
D14 - Recording, communication, or information retrieval equipment
Information
Patent Grant
Method and apparatus for improving the color convergence of project...
Patent number
6,175,392
Issue date
Jan 16, 2001
International Business Machines Corporation
Derek B. Dove
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical system and method for high contrast projection display
Patent number
6,082,861
Issue date
Jul 4, 2000
International Business Machines Corporation
Derek B. Dove
G02 - OPTICS
Information
Patent Grant
Apparatus for polarization conversion
Patent number
6,064,523
Issue date
May 16, 2000
International Business Machines Corporation
Russell Alan Budd
G02 - OPTICS
Information
Patent Grant
Modified X-cube arrangement for improved contrast projection display
Patent number
6,019,474
Issue date
Feb 1, 2000
International Business Machines Corporation
Fuad Elias Doany
G02 - OPTICS
Information
Patent Grant
Head mounted displays utilizing reflection light valves
Patent number
5,943,171
Issue date
Aug 24, 1999
International Business Machines Corporation
Russell Alan Budd
G02 - OPTICS
Information
Patent Grant
Thin film materials for the preparation of attenuating phase shift...
Patent number
5,939,225
Issue date
Aug 17, 1999
International Business Machines Corporation
Derek Brian Dove
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Efficient optical system for a high resolution projection display e...
Patent number
5,786,934
Issue date
Jul 28, 1998
International Business Machines Corporation
George Liang-Tai Chiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Efficient optical system for a high resolution projection display e...
Patent number
5,786,873
Issue date
Jul 28, 1998
International Business Machines Corporation
George Liang-Tai Chiu
G02 - OPTICS
Information
Patent Grant
Efficient optical system for a high resolution projection display e...
Patent number
5,777,789
Issue date
Jul 7, 1998
International Business Machines Corporation
George Liang-Tai Chiu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Arrangement for projection displays employing reflective light valves
Patent number
5,658,060
Issue date
Aug 19, 1997
International Business Machines Corporation
Derek Brian Dove
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Efficient optical system for a high resolution projection display e...
Patent number
5,621,486
Issue date
Apr 15, 1997
International Business Machines Corporation
Fuad Doany
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Controlled levitation/suspension in a magnet-superconductor system
Patent number
5,559,384
Issue date
Sep 24, 1996
International Business Machines Corporation
John J. Boland
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Simplified fabrication methods for rim phase-shift masks
Patent number
5,532,089
Issue date
Jul 2, 1996
International Business Machines Corporation
William J. Adair
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Phase shift mask using liquid phase oxide deposition
Patent number
5,470,681
Issue date
Nov 28, 1995
International Business Machines Corporation
Timothy A. Brunner
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic color printing process
Patent number
5,213,921
Issue date
May 25, 1993
Lexmark International, Inc.
Derek B. Dove
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Crossed-element magnetographic print head
Patent number
4,739,342
Issue date
Apr 19, 1988
International Business Machines Corporation
Derek B. Dove
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Electromagnetic head with separate addressability resolution and im...
Patent number
4,725,850
Issue date
Feb 16, 1988
International Business Machines Corporation
Derek B. Dove
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Surface layer to reduce contact resistance in resistive printing ri...
Patent number
4,699,533
Issue date
Oct 13, 1987
International Business Machines Corporation
Jesse R. Crowe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Ribbon transfer color-on-demand resistive ribbon printing
Patent number
4,609,926
Issue date
Sep 2, 1986
International Business Machines Corporation
Ari Aviram
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Color-on-demand ribbon printing
Patent number
4,577,983
Issue date
Mar 25, 1986
International Business Machines Corporation
Ari Aviram
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Compact optical system and packaging for head mounted display
Publication number
20050219152
Publication date
Oct 6, 2005
International Business Machines Corporation
Russell A. Budd
G02 - OPTICS
Information
Patent Application
THIN FILM MATERIALS FOR THE PREPARATION OF ATTENUATING PHASE SHIFT...
Publication number
20010051302
Publication date
Dec 13, 2001
DEREK BRIAN DOVE
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY