OLUMA, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 10195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7346240 Integrated fiber tap monitor with variable optical attenuatorDec 01, 03Mar 18, 08[G02B]
7087887 Optical multiphase flow sensorOct 29, 03Aug 08, 06[G02B]
6597833 Wavelength-division multiplexers and demultiplexers based on mach-zehnder interferometers and evanescent couplingSep 26, 01Jul 22, 03[G02B]
6556746 Integrated fiber devices based on Mach-Zehnder interferometers and evanescent optical couplingAug 10, 01Apr 29, 03[G02B]
6549713 Stabilized and integrated fiber devicesJun 27, 01Apr 15, 03[G02B]
6542663 Coupling control in side-polished fiber devicesSep 07, 01Apr 01, 03[G02B]
6516114 Integration of fibers on substrates fabricated with groovesFeb 27, 01Feb 04, 03[G02B]
6501875 Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling portsJun 18, 01Dec 31, 02[G02B]
6490391 Devices based on fibers engaged to substrates with groovesJul 12, 01Dec 03, 02[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6912343 Adjustable fiber optical filtersExpiredOct 09, 02Jun 28, 05[G02B]
6869347 Fabrication of devices with fibers engaged to grooves on substratesExpiredMar 05, 04Mar 22, 05[B24B]
6771874 Tension-assisted mounting of fibers on a substrateExpiredMay 17, 02Aug 03, 04[G02B]
6744948 Fiber tap monitor based on evanescent couplingExpiredJun 20, 02Jun 01, 04[G02B]
6719608 Fabrication of devices with fibers engaged to grooves on substratesExpiredApr 19, 02Apr 13, 04[B24B]
6690857 Fiber devices having side evanescent coupling portExpiredDec 03, 02Feb 10, 04[G02B]
6625349 Evanescent optical coupling between a waveguide formed on a substrate and a side-polished fiberExpiredJun 12, 01Sep 23, 03[G02B]
6621951 Thin film structures in devices with a fiber on a substrateExpiredJun 27, 01Sep 16, 03[G02B]
6621952 In-fiber variable optical attenuators and modulators using index-changing liquid mediaExpiredAug 10, 01Sep 16, 03[G02B]

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