Gemfire Corporation
Patent Owner
Stats
- 37 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Nov 15, 2016 most recent publication
Details
- 37 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 3,948 Total Citation Count
- Jul 03, 1989 Earliest Filing
- 52 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
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Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
9494735 AWG supporting multiple frequency bands and channel plans through respective multiple inputsOct 12, 11Nov 15, 16[G02B, H04J]
8873910 Optical device with athermal slots for temperature dependence curvature reductionMar 18, 11Oct 28, 14[G02B]
6842545 Optoelectronic and photonic devices formed of materials which inhibit degradation and failureApr 05, 01Jan 11, 05[G02B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2008/0019,640 Dynamically tunable waveguide chip for optical transformsAbandonedMar 05, 07Jan 24, 08[G02B]
7215854 Low-loss optical waveguide crossovers using an out-of-plane waveguideExpiredAug 12, 05May 08, 07[G02B]
7062130 Low-loss optical waveguide crossovers using an out-of-plane waveguideExpiredFeb 18, 04Jun 13, 06[G02B]
6990264 1×N or N×1 optical switch having a plurality of movable light guiding microstructuresExpiredOct 19, 01Jan 24, 06[G02B]
6954579 Method and apparatus for changing the optical intensity of an optical signal using a movable light transmissive structureExpiredNov 29, 01Oct 11, 05[G02B]
6937335 Dynamic alignment of optical fibers to optical circuit devices such as planar lightwave circuitsExpiredMar 08, 02Aug 30, 05[G02B, G01B]
6836583 Structures that correct for thermal distortion in an optical device formed of thermally dissimilar materialsExpiredMar 30, 04Dec 28, 04[G02B]
6806114 Broadly tunable distributed bragg reflector structure processingExpiredNov 07, 01Oct 19, 04[H01L, H01S]
6807331 Structures that correct for thermal distortion in an optical device formed of thermally dissimilar materialsExpiredFeb 08, 02Oct 19, 04[G02B]
2004/0105,611 Multi-channel laser pump source for optical amplifiersAbandonedJul 09, 03Jun 03, 04[G02B]
6694071 Method and apparatus for switching optical signals using rotatable optically transmissive microstructureExpiredSep 05, 01Feb 17, 04[G02B]
6690847 Optical switching element having movable optically transmissive microstructureExpiredApr 17, 01Feb 10, 04[G02B]
6650819 Methods for forming separately optimized waveguide structures in optical materialsExpiredOct 16, 01Nov 18, 03[G02B]
6647170 Optical switching system that uses movable microstructures to switch optical signals in three dimensionsExpiredApr 17, 01Nov 11, 03[G02B]
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