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Harmonic Lightwaves

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Records under this name other than patents Harmonic Lightwaves holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

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PatentTitleStatus Expires Confidence
US 6,121,857AC power passing RF choke with a 15 gauge wire
Formerly held
Term ended
Term ended Mar 27, 2018 · From the USPTO record
Term endedTerm ended Mar 27, 2018From the USPTO record
US 6,122,302Automatic compensation of CNR and OMI in a laser transmitter
Formerly held
Term ended
Term ended Dec 10, 2017 · From the USPTO record
Term endedTerm ended Dec 10, 2017From the USPTO record
US 5,102,222Light wave polarization determination using a hybrid system
Formerly held
Term ended
Term ended no later than Apr 7, 2012 · Low confidence
Term endedTerm ended no later than Apr 7, 2012Low confidence
US 5,148,444Tunable single-frequency ring laser
Term ended
Term ended no later than Sep 15, 2012 · Low confidence
Term endedTerm ended no later than Sep 15, 2012Low confidence
US 5,161,044Optical transmitters linearized by means of parametric feedback
Term ended
Term ended no later than Nov 3, 2012 · Low confidence
Term endedTerm ended no later than Nov 3, 2012Low confidence
US 5,177,764Unidirectional, planar ring laser with birefringence
Term ended
Term ended no later than Jan 5, 2013 · Low confidence
Term endedTerm ended no later than Jan 5, 2013Low confidence
US 5,181,214Temperature stable solid-state laser package
Formerly held
Term ended
Term ended no later than Jan 19, 2013 · Low confidence
Term endedTerm ended no later than Jan 19, 2013Low confidence
US 5,216,729Active alignment system for laser to fiber coupling
Formerly held
Term ended
Term ended no later than Jun 1, 2013 · Low confidence
Term endedTerm ended no later than Jun 1, 2013Low confidence
US 5,253,309Optical distribution of analog and digital signals using optical modulators with complementary outputs
Term ended
Term ended no later than Oct 12, 2013 · Low confidence
Term endedTerm ended no later than Oct 12, 2013Low confidence
US 5,278,923Cascaded optical modulation system with high linearity
Formerly held
Term ended
Term ended no later than Jan 11, 2014 · Low confidence
Term endedTerm ended no later than Jan 11, 2014Low confidence
10 of 16 patents shown.
Pro members see all 16.
Pro members: see all 16 patents
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