OLUMA, INC.
Patent Owner
Stats
- 9 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 18, 2008 most recent publication
Details
- 9 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 471 Total Citation Count
- Feb 27, 2001 Earliest Filing
- 9 Expired/Abandoned/Withdrawn Patents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
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]
6501875 Mach-Zehnder inteferometers and applications based on evanescent coupling through side-polished fiber coupling portsJun 18, 01Dec 31, 02[G02B]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6869347 Fabrication of devices with fibers engaged to grooves on substratesExpiredMar 05, 04Mar 22, 05[B24B]
6719608 Fabrication of devices with fibers engaged to grooves on substratesExpiredApr 19, 02Apr 13, 04[B24B]
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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