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WJ SEMICONDUCTOR EQUIPMENT GROUP, INC., A CORP. OF CA
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SCOTT VALLEY, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Exhaust vent assembly for chemical vapor deposition systems
Patent number
5,938,851
Issue date
Aug 17, 1999
WJ Semiconductor Equipment Group, Inc.
Rick S. Moshtagh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of manufacturing an injector for chemical vapor deposition p...
Patent number
5,935,647
Issue date
Aug 10, 1999
WJ Semiconductor Equipment Group, Inc.
Jay B. DeDontney
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for preparing crosslinked aromatic polymers as low .kappa. d...
Patent number
5,925,420
Issue date
Jul 20, 1999
WJ Semiconductor Equipment Group, Inc.
Chung Lee
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Direct drive rotational motor with axial vacuum
Patent number
5,921,560
Issue date
Jul 13, 1999
WJ Semiconductor Equipment Group, Inc.
Vahid Sayad Moshtagh
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of reducing metal contamination during semiconductor process...
Patent number
5,916,378
Issue date
Jun 29, 1999
WJ Semiconductor Equipment Group, Inc.
Robert Jeffrey Bailey
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Plasma generating apparatus having an electrostatic shield
Patent number
5,903,106
Issue date
May 11, 1999
WJ Semiconductor Equipment Group, Inc.
Lydia J. Young
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method and apparatus for clamping a substrate
Patent number
5,894,400
Issue date
Apr 13, 1999
WJ Semiconductor Equipment Group, Inc.
Andrew J. Graven
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Patents Applications
last 30 patents
Trademark
last 30 trademarks
Information
Trademark
75595178 - APNEXT
Serial number
75595178
Registration number
2448189
Filing date
Nov 24, 1998
WJ SEMICONDUCTOR EQUIPMENT GROUP, INC.
9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
Information
Trademark
75594517 - MULTIBLOK
Serial number
75594517
Registration number
2407062
Filing date
Nov 24, 1998
WJ SEMICONDUCTOR EQUIPMENT GROUP, INC.
7 - Machines and machine tools