HITACHI COMMUNICATION TECHNOLOGIES
Patent Owner
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- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Aug 17, 2010 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 5 Total Citation Count
- Jul 28, 2005 Earliest Filing
- 1 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
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Technology
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Expired/Abandoned/Withdrawn Patents
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Intl Class
7435013 Variable dispersion compensation equipment, optical transmission system using it and method of setting dispersion compensation quantityExpiredJul 28, 05Oct 14, 08[G02B]
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