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Inventor
CHEUNG HA K
US
2 patents
⚠️ This page may combine multiple inventors who share the name “CHEUNG HA K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
GTE PROD CORP
1 patent
US5112524A
May 12, 1992
Unactivated yttrium tantalate phosphor
GTE PROD CORP
7 citations
68
OSRAM SYLVANIA INC
1 patent
US5380463A
Jan 10, 1995
Method of making niobium-activated yttrium tantalate x-ray phosphor
OSRAM SYLVANIA INC
2 citations
57