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Robert H. Walden
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Westlake Village, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Photonic parallel analog-to-digital converter
Patent number
6,525,682
Issue date
Feb 25, 2003
HRL Laboratories, LLC
Daniel Yap
G02 - OPTICS
Information
Patent Grant
Low turn-on voltage InP Schottky device and method
Patent number
6,380,552
Issue date
Apr 30, 2002
HRL Laboratories, LLC
Adele E. Schmitz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low turn-on voltage indium phosphide Schottky device and method
Patent number
6,316,342
Issue date
Nov 13, 2001
HRL Laboratories, LLC
Adele E. Schmitz
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for disguising a microelectronic integrated digital logic
Patent number
5,336,624
Issue date
Aug 9, 1994
Hughes Aircraft Company
Robert H. Walden
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Dynamic circuit disguise for microelectronic integrated digital log...
Patent number
5,202,591
Issue date
Apr 13, 1993
Hughes Aircraft Company
Robert H. Walden
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
High-order sigma-delta analog-to-digital converter
Patent number
5,198,817
Issue date
Mar 30, 1993
Hughes Aircraft Company
Robert H. Walden
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Multi-stage sigma-delta analog-to-digital converter
Patent number
5,153,593
Issue date
Oct 6, 1992
Hughes Aircraft Company
Robert H. Walden
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Charge-coupled device with focused ion beam fabrication
Patent number
4,967,250
Issue date
Oct 30, 1990
Hughes Aircraft Company
William M. Clark
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Analog-to-digital converter made with focused ion beam technology
Patent number
4,872,010
Issue date
Oct 3, 1989
Hughes Aircraft Company
Lawrence E. Larson
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
PHOTONIC PARALLEL ANALOG-TO-DIGITAL CONVERTER
Publication number
20020163454
Publication date
Nov 7, 2002
HRL Laboratories, LLC
Daniel Yap
G02 - OPTICS
Information
Patent Application
LOW TURN-ON VOLTAGE INP SCHOTTKY DEVICE AND METHOD
Publication number
20020000564
Publication date
Jan 3, 2002
ADELE E. SCHMITZ
H01 - BASIC ELECTRIC ELEMENTS