Qiyuan Ma

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Vancouver, British Columbia, CA

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Patents Grantslast 30 patents

Information Patent Grant
Superconductor logic and switching circuits
- Patent number 5,345,114
- Issue date Sep 6, 1994
- Qiyuan Ma
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Differentially pumped temperature controller for low pressure thin...
- Patent number 5,343,012
- Issue date Aug 30, 1994
- Walter N. Hardy
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...