David Charles Caruth

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Champaign, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Collector layer structure for a double hetero-junction bipolar tran...
- Patent number 7,115,918
- Issue date Oct 3, 2006
- Xindium Technologies, Inc.
- Shyh-Chiang Shen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Current mirror biasing circuit with power control for HBT power amp...
- Patent number 7,064,614
- Issue date Jun 20, 2006
- Xindium Technologies, Inc.
- Jeffrey T. Feng
- G05 - CONTROLLING REGULATING
Information Patent Grant
Indium phosphide heterojunction bipolar transistor layer structure...
- Patent number 6,770,919
- Issue date Aug 3, 2004
- Xindium Technologies, Inc.
- Milton Feng
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Collector layer structure for a double hetero-junction bipolar tran...
- Publication number 20070001195
- Publication date Jan 4, 2007
- Xindium Technologies, Inc.
- Shyh-Chiang Shen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Collector layer structure for a double hetero-junction bipolar tran...
- Publication number 20060063340
- Publication date Mar 23, 2006
- Xindium Technologies, Inc.
- Shyh-Chiang Shen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Current mirror biasing circuit with power control for HBT power amp...
- Publication number 20060006947
- Publication date Jan 12, 2006
- Xindium Technologies, Inc.
- Jeffrey T. Feng
- G05 - CONTROLLING REGULATING
Information Patent Application
Collector layer structure for a double hetero-junction bipolar tran...
- Publication number 20050173730
- Publication date Aug 11, 2005
- Xindium Technologies, Inc.
- Shyh-Chiang Shen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
INDIUM PHOSPHIDE HETEROJUNCTION BIPOLAR TRANSISTOR LAYER STRUCTURE...
- Publication number 20040124436
- Publication date Jul 1, 2004
- Milton Feng
- H01 - BASIC ELECTRIC ELEMENTS