David C. Chapman

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Campbell, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Methods and apparatus for design rule checking
- Patent number 6,275,971
- Issue date Aug 14, 2001
- Philips Electronics North America Corporation
- Harold J. Levy
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Polygon representation in an integrated circuit layout
- Patent number 6,128,767
- Issue date Oct 3, 2000
- David C. Chapman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method of measuring energy consumption in a circuit simulator
- Patent number 5,815,416
- Issue date Sep 29, 1998
- VLSI Technology, Inc.
- Peter Liebmann
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for labelling polygons
- Patent number 5,113,451
- Issue date May 12, 1992
- VLSI Technology, Inc.
- David C. Chapman
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method for making a reticle mask
- Patent number 4,849,313
- Issue date Jul 18, 1989
- VLSI Technology, Inc.
- David C. Chapman
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY