Assignee
PRINCIPIA OPTICS INC
US·7 granted patents·125 citations·filing 1992–1993
Top patents by PatentIndex Score
7 records- 0162US5374870ALaser screen cathode-ray tube with increased life spanPRINCIPIA OPTICS INC·Filed 1992·Granted Dec 20, 1994·24 cites·4 claims
- 0261US5687185ALaser cathode-ray tubePRINCIPIA OPTICS INC·Filed 1993·Granted Nov 11, 1997·25 cites·37 claims
- 0356US5313483ALaser screen for a cathode-ray tube and method for making samePRINCIPIA OPTICS INC·Filed 1992·Granted May 17, 1994·19 cites·7 claims
- 0450US5283798ALaser screen for a cathode-ray tube and method for making samePRINCIPIA OPTICS INC·Filed 1992·Granted Feb 1, 1994·12 cites·8 claims
- 0548US5317583ASemiconductor laser screen of a cathode-ray tubePRINCIPIA OPTICS INC·Filed 1992·Granted May 31, 1994·16 cites·18 claims
- 0646US5339003ALaser screen for a cathode-ray tubePRINCIPIA OPTICS INC·Filed 1992·Granted Aug 16, 1994·14 cites·5 claims
- 0741US5254502AMethod for making a laser screen for a cathode-ray tubePRINCIPIA OPTICS INC·Filed 1992·Granted Oct 19, 1993·15 cites·15 claims
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