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Krishna M. Koliwad
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La Canada, CA, US
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last 30 patents
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Patent Grant
Method of increasing minority carrier lifetime in silicon web or th...
Patent number
4,401,505
Issue date
Aug 30, 1983
The United States of America as represented by the Administrator National Aer...
James K. Liu
C30 - CRYSTAL GROWTH
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Patent Grant
Copper doped polycrystalline silicon solar cell
Patent number
4,249,957
Issue date
Feb 10, 1981
Alan M. Administrator of the National Aeronautics and Space Administration, w...
H01 - BASIC ELECTRIC ELEMENTS