MARCONI COMMUNICATIONS LIMITED
Patent Owner
Stats
- 19 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Oct 18, 2011 most recent publication
Details
- 19 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 648 Total Citation Count
- Mar 12, 1979 Earliest Filing
- 31 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
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
7856239 Mobile phone telephony involving the sending and receiving of text messagesAug 23, 02Dec 21, 10[H04M, H04B, H04W]
7830869 Establishing connection across a connection-oriented first telecommunications network in response to a connection request from a second telecommunications networkMar 06, 02Nov 09, 10[H04L]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
7447432 Regulating radiation component power in wavelength division multiplexed optical communication systemsExpiredFeb 12, 02Nov 04, 08[H04B]
7447753 Communications network for self-determining its own topologyExpiredMar 06, 02Nov 04, 08[H04L]
2005/0100,310 Setting real time clocks in communications netwroksAbandonedJan 08, 04May 12, 05[H04N]
2005/0052,731 Optical amplifier control in wdm communications systemsAbandonedOct 18, 04Mar 10, 05[H01S]
2005/0041,699 Wavelength division multiplex optical wavelength converterAbandonedOct 04, 04Feb 24, 05[H01S]
2005/0025,142 Telecommunications and data communications switching apparatus and methodAbandonedJun 28, 04Feb 03, 05[H04L]
2004/0233,843 Method and system for path protection in a communications networkAbandonedJun 28, 04Nov 25, 04[H04L]
2004/0096,219 Grooming of channels in wavelength devision multiplexed optical communication systemsAbandonedDec 18, 03May 20, 04[H04J]
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