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Howard Walter Walker
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San Diego, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Material for propeller occlusion of marine vessels
Patent number
10,315,749
Issue date
Jun 11, 2019
Leidos, Inc.
Howard Walker
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Luminescent solar concentrator
Patent number
9,178,096
Issue date
Nov 3, 2015
Leidos, Inc.
John Paul Ziegler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Luminescent solar concentrator
Patent number
8,866,001
Issue date
Oct 21, 2014
Leidos, Inc.
John Paul Ziegler
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Complementary vertical bipolar junction transistors formed in silic...
Patent number
5,714,793
Issue date
Feb 3, 1998
The United States of America as represented by the Secretary of the Navy
Eric N. Cartagena
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for fabricating complementary vertical bipolar junction tran...
Patent number
5,641,691
Issue date
Jun 24, 1997
The United States of America as represented by the Secretary of the Navy
Eric N. Cartagena
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Low and high minority carrier lifetime layers in a single semicondu...
Patent number
5,521,412
Issue date
May 28, 1996
The United States of America as represented by the Secretary of the Navy
Howard W. Walker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for forming low and high minority carrier lifetime layers in...
Patent number
5,468,674
Issue date
Nov 21, 1995
The United States of America as represented by the Secretary of the Navy
Howard W. Walker
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Silicon to sapphire bond
Patent number
5,441,591
Issue date
Aug 15, 1995
The United States of America as represented by the Secretary of the Navy
George P. Imthurn
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Ultra-high vacuum/chemical vapor deposition of epitaxial silicon-on...
Patent number
5,402,749
Issue date
Apr 4, 1995
The United States of America as represented by the Secretary of the Navy
Douglas A. Sexton
C30 - CRYSTAL GROWTH
Patents Applications
last 30 patents
Information
Patent Application
Luminescent Solar Concentrator
Publication number
20150287864
Publication date
Oct 8, 2015
Leidos, Inc.
John Paul Ziegler
H01 - BASIC ELECTRIC ELEMENTS