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Philip Cheung
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Roseville, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Circuit package integrating passive radio frequency structure
Patent number
7,138,884
Issue date
Nov 21, 2006
DSP Group Inc.
Philip Cheung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multi-layer balun transformer
Patent number
6,759,920
Issue date
Jul 6, 2004
Bermai, Inc.
Philip Cheung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Multifunction high frequency integrated circuit structure
Patent number
6,208,214
Issue date
Mar 27, 2001
TLC Precision Wafer Technology, Inc.
John J. Geddes
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
Information
Patent Application
MULTI-LAYER BALUN TRANSFORMER
Publication number
20040135647
Publication date
Jul 15, 2004
Philip Cheung
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Circuit package integrating passive radio frequency structure
Publication number
20040032308
Publication date
Feb 19, 2004
Philip Cheung
H01 - BASIC ELECTRIC ELEMENTS