Helmuth R. Litfin

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Cupertino, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
High voltage lateral DMOS device with enhanced drift region
- Patent number 5,517,046
- Issue date May 14, 1996
- Micrel, Incorporated
- Michael R. Hsing
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a diamond shaped gate mesh for cellular MOS transi...
- Patent number 5,447,876
- Issue date Sep 5, 1995
- Micrel, Inc.
- James C. Moyer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Mask having multiple patterns
- Patent number 5,439,764
- Issue date Aug 8, 1995
- Micrel, Incorporated
- Martin J. Alter
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Diamond shaped gate mesh for cellular MOS transistor array
- Patent number 5,355,008
- Issue date Oct 11, 1994
- Micrel, Inc.
- James C. Moyer
- H01 - BASIC ELECTRIC ELEMENTS