Assignee
APA OPTICS INC
US·15 granted patents·2 pending applications·1,872 citations·filing 1986–2002
Top patents by PatentIndex Score
17 records- 0195US5296395AMethod of making a high electron mobility transistorAPA OPTICS INC·Filed 1993·Granted Mar 22, 1994·353 cites·4 claims
- 0295US5192987AHigh electron mobility transistor with GaN/Alx Ga1-x N heterojunctionsAPA OPTICS INC·Filed 1991·Granted Mar 9, 1993·550 cites·12 claims
- 0392US5146465AAluminum gallium nitride laserAPA OPTICS INC·Filed 1991·Granted Sep 8, 1992·169 cites·14 claims
- 0491US5278435AHigh responsivity ultraviolet gallium nitride detectorAPA OPTICS INC·Filed 1992·Granted Jan 11, 1994·195 cites·8 claims
- 0588US5477383AOptical array method and apparatusAPA OPTICS INC·Filed 1993·Granted Dec 19, 1995·82 cites·15 claims
- 0686US6104074ASchottky barrier detectors for visible-blind ultraviolet detectionAPA OPTICS INC·Filed 1998·Granted Aug 15, 2000·115 cites·20 claims
- 0784US5182670ANarrow band algan filterAPA OPTICS INC·Filed 1991·Granted Jan 26, 1993·100 cites·24 claims
- 0879US5793912ATunable receiver for a wavelength division multiplexing optical apparatus and methodAPA OPTICS INC·Filed 1996·Granted Aug 11, 1998·54 cites·27 claims
- 0979US5608826AWavelength division multiplexed optical modulator and multiplexing method using sameAPA OPTICS INC·Filed 1995·Granted Mar 4, 1997·60 cites·31 claims
- 1078US4759595AIntegrated optic switchAPA OPTICS INC·Filed 1986·Granted Jul 26, 1988·43 cites·27 claims
- 1176US5071210ASandwich reflection hologramAPA OPTICS INC·Filed 1989·Granted Dec 10, 1991·36 cites·18 claims
- 1274US4902088AIntegrated optic device for laser beam scanningAPA OPTICS INC·Filed 1988·Granted Feb 20, 1990·37 cites·22 claims
- 1372US5450510AWavelength division multiplexed optical modulator and multiplexing method using sameAPA OPTICS INC·Filed 1994·Granted Sep 12, 1995·37 cites·16 claims
- 1468US6441934B1Multiplexer and demultiplexer for single mode optical fiber communication linksAPA OPTICS INC·Filed 1998·Granted Aug 27, 2002·29 cites·28 claims
- 1545US6647209B1Multiplexer and demultiplexer for single mode optical fiber communication linksAPA OPTICS INC·Filed 1999·Granted Nov 11, 2003·12 cites·17 claims
- 1644US2002176135A1Multiplexer and demultiplexer for single mode optical fiber communication linksAPA OPTICS INC·Filed 2002·Application pending·0 cites
- 1742US2003039437A1Multiplexer and demultiplexer for single mode optical fiber communication linksAPA OPTICS INC·Filed 2002·Application pending·0 cites
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