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Robert Xu
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Fremont, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Self-repairing field effect transisitor
Patent number
10,600,902
Issue date
Mar 24, 2020
Vishay SIliconix, LLC
Robert Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for substrate wafer back side and edge cross sect...
Patent number
10,546,750
Issue date
Jan 28, 2020
Vishay Siliconix
Hamilton Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with trench-like feed-throughs
Patent number
10,032,901
Issue date
Jul 24, 2018
Vishay-Siliconix
Deva Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Breakdown voltage blocking device
Patent number
9,722,041
Issue date
Aug 1, 2017
Vishay Siliconix
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Super-high density trench MOSFET
Patent number
9,431,530
Issue date
Aug 30, 2016
Vishay Siliconix
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Trench polysilicon diode
Patent number
9,431,550
Issue date
Aug 30, 2016
Vishay Siliconix
Qufei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor device with trench-like feed-throughs
Patent number
9,306,056
Issue date
Apr 5, 2016
Vishay Siliconix
Deva Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
System and method for substrate wafer back side and edge cross sect...
Patent number
9,230,810
Issue date
Jan 5, 2016
Vishay Siliconix
Hamilton Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming self aligned contacts for a power MOSFET
Patent number
8,629,019
Issue date
Jan 14, 2014
Vishay Siliconix
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming self aligned contacts for a power MOSFET
Patent number
8,367,500
Issue date
Feb 5, 2013
Vishay Siliconix
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Self aligned contact in a semiconductor device and method of fabric...
Patent number
8,080,459
Issue date
Dec 20, 2011
Vishay Siliconix
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Trench polysilicon diode
Patent number
8,072,013
Issue date
Dec 6, 2011
Vishay Siliconix
Qufei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a closed cell trench MOSFET
Patent number
7,833,863
Issue date
Nov 16, 2010
Vishay Siliconix
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of fabricating super trench MOSFET including buried source e...
Patent number
7,704,836
Issue date
Apr 27, 2010
Siliconix Incorporated
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of forming self aligned contacts for a power MOSFET
Patent number
7,642,164
Issue date
Jan 5, 2010
Vishay Siliconix
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Trench polysilicon diode
Patent number
7,612,431
Issue date
Nov 3, 2009
Vishay Siliconix
Qufei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Super trench MOSFET including buried source electrode
Patent number
7,557,409
Issue date
Jul 7, 2009
Siliconix Incorporated
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Trench polysilicon diode
Patent number
7,544,545
Issue date
Jun 9, 2009
Vishay Siliconix
Qufei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method of manufacturing a closed cell trench MOSFET
Patent number
7,361,558
Issue date
Apr 22, 2008
Vishay Siliconix
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Closed cell trench metal-oxide-semiconductor field effect transistor
Patent number
7,279,743
Issue date
Oct 9, 2007
Vishay Siliconix
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Super trench MOSFET including buried source electrode and method of...
Patent number
7,183,610
Issue date
Feb 27, 2007
Siliconix Incorporated
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Self-aligned differential oxidation in trenches by ion implantation
Patent number
7,012,005
Issue date
Mar 14, 2006
Siliconix Incorporated
Karl Lichtenberger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Semiconductor substrate with trenches for reducing substrate resist...
Patent number
6,858,471
Issue date
Feb 22, 2005
Vishay Siliconix
Jacek Korec
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thicker oxide formation at the trench bottom by selective oxide dep...
Patent number
6,709,930
Issue date
Mar 23, 2004
Siliconix Incorporated
Ben Chan
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
SEMICONDUCTOR DEVICE WITH TRENCH-LIKE FEED-THROUGHS
Publication number
20170025527
Publication date
Jan 26, 2017
Deva Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR SUBSTRATE WAFER BACK SIDE AND EDGE CROSS SECT...
Publication number
20160225622
Publication date
Aug 4, 2016
VISHAY-SILICONIX
Hamilton LU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BREAKDOWN VOLTAGE BLOCKING DEVICE
Publication number
20140077287
Publication date
Mar 20, 2014
VISHAY-SILICONIX
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
TRENCH POLYSILICON DIODE
Publication number
20120068178
Publication date
Mar 22, 2012
VISHAY-SILICONIX
Qufei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEMICONDUCTOR DEVICE WITH TRENCH-LIKE FEED-THROUGHS
Publication number
20110101525
Publication date
May 5, 2011
VISHAY-SILICONIX
Deva Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SUPER-HIGH DENSITY TRENCH MOSFET
Publication number
20110089486
Publication date
Apr 21, 2011
VISHAY-SILICONIX
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SYSTEM AND METHOD FOR SUBSTRATE WAFER BACK SIDE AND EDGE CROSS SECT...
Publication number
20110049682
Publication date
Mar 3, 2011
VISHAY-SILICONIX
Hamilton Lu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of fabricating super trench MOSFET including buried source e...
Publication number
20100019316
Publication date
Jan 28, 2010
Siliconix Incorporated
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SELF-REPAIRING FIELD EFFECT TRANSISITOR
Publication number
20090200578
Publication date
Aug 13, 2009
VISHAY-SILICONIX
Robert Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of fabricating super trench MOSFET including buried source e...
Publication number
20080182376
Publication date
Jul 31, 2008
Siliconix Incorporated
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Trench polysilicon diode
Publication number
20080135872
Publication date
Jun 12, 2008
VISHAY-SILICONIX
Qufei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Super trench MOSFET including buried source electrode and method of...
Publication number
20070187753
Publication date
Aug 16, 2007
Siliconix Incorporated
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Trench polysilicon diode
Publication number
20070145411
Publication date
Jun 28, 2007
Qufei Chen
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Super trench MOSFET including buried source electrode and method of...
Publication number
20050242392
Publication date
Nov 3, 2005
Siliconix Incorporated
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Self aligned contact in a semiconductor device and method of fabric...
Publication number
20050224891
Publication date
Oct 13, 2005
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of manufacturing a closed cell trench MOSFET
Publication number
20050148128
Publication date
Jul 7, 2005
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Closed cell trench metal-oxide-semiconductor field effect transistor
Publication number
20050116282
Publication date
Jun 2, 2005
VISHAY-SILICONIX
Deva N. Pattanayak
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Method of forming self aligned contacts for a power mosfet
Publication number
20040058481
Publication date
Mar 25, 2004
Robert Q. Xu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Self-aligned differential oxidation in trenches by ion implantation
Publication number
20030235959
Publication date
Dec 25, 2003
Siliconix Incorporated
Karl Lichtenberger
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
THICKER OXIDE FORMATION AT THE TRENCH BOTTOM BY SELECTIVE OXIDE DEP...
Publication number
20030235958
Publication date
Dec 25, 2003
Siliconix Incorporated
Ben Chan
H01 - BASIC ELECTRIC ELEMENTS