OPVISTA, INC.
Patent Owner
Stats
- 11 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Mar 20, 2012 most recent publication
Details
- 11 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 537 Total Citation Count
- May 22, 2000 Earliest Filing
- 2 Expired/Abandoned/Withdrawn Patents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
8139476 Optical ring networks using circulating optical probe in protection switching with automatic reversionOct 13, 06Mar 20, 12[G06F, G01R, G01F]
7515833 Optical double sideband modulation technique with increased spectral efficiencyJun 09, 06Apr 07, 09[H04B]
7206520 Method and apparatus for interleaved optical single sideband modulationFeb 21, 06Apr 17, 07[H04B]
7024112 In-band wavelength conversion wavelength buffering and multi-protocol lambda switchingJan 08, 01Apr 04, 06[H04J]
7003231 Method and apparatus for interleaved optical single sideband modulationApr 19, 01Feb 21, 06[H04B]
6895184 Interconnected broadcast and select optical networks with shared wavelengthsNov 21, 01May 17, 05[H04B]
6788899 Dynamic wavelength add/drop multiplexer for UDWDM optical communication systemMar 23, 01Sep 07, 04[H04J]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
2005/0158,047 Optical ring networks with failure protection mechanismsAbandonedJul 16, 04Jul 21, 05[H04B]
2002/0114,034 Split wave method and apparatus for transmitting data in long-haul optical fiber systemsAbandonedJan 09, 02Aug 22, 02[H04B, H04J]
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