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Yok Chen
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Oak Ridge, TN, US
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last 30 patents
Information
Patent Grant
Method for enhancement of useful luminescence from vacancy defects...
Patent number
4,963,755
Issue date
Oct 16, 1990
The United States of America as represented by the Department of Energy
Yok Chen
C30 - CRYSTAL GROWTH
Information
Patent Grant
Refractory oxide hosts for a high power, broadly tunable laser with...
Patent number
4,604,225
Issue date
Aug 5, 1986
The United States of America as represented by the Secretary of the Departmen...
Yok Chen
C30 - CRYSTAL GROWTH
Information
Patent Grant
Method for the preparation of photochromic insulating crystals
Patent number
4,572,618
Issue date
Feb 25, 1986
The United States of America as represented by the Department of Energy
Marvin M. Abraham
C30 - CRYSTAL GROWTH
Information
Patent Grant
High-quantum efficiency, long-lived luminescing refractory oxides
Patent number
4,427,570
Issue date
Jan 24, 1984
The United States of America as represented by the United States Department o...
Yok Chen
C30 - CRYSTAL GROWTH
Information
Patent Grant
Production of crystalline refractory metal oxides containing colloi...
Patent number
4,376,755
Issue date
Mar 15, 1983
The United States of America as represented by the United States Department o...
Jagdish Narayan
C30 - CRYSTAL GROWTH
Information
Patent Grant
Wide-band-gap, alkaline-earth-oxide semiconductor and devices utili...
Patent number
4,264,914
Issue date
Apr 28, 1981
The United States of America as represented by the United States Department o...
Marvin M. Abraham
H01 - BASIC ELECTRIC ELEMENTS