Patent assignee · US · COMPANY

SubCom, LLC

55Patents
54Active
55Granted
58Portfolio score

Filing activity: Dec 3, 1971 → Jun 6, 2024

Most-cited patents

PatentTitleAreaCited byStatus
US4312053A Range and depth detection system Physics 34 Expired
US10404362B1 Fault detection and reporting in line monitoring systems Electricity 6 Active
US11054599B2 Submarine cable branching units with fiber pair switching Electricity 3 Active
US11487063B2 Pair routing between three undersea fiber optic cables Electricity 2 Active
US10230456B2 Branching configuration including a cross-coupling arrangement to provide fault tolerance and topside recovery in the event of subsea umbilical assembly failure and system and method including same Electricity 2 Active
US11087902B2 Branching unit for power distribution Electricity 2 Active
US11211775B2 Redundancy improvement in semiconductor-based optical communication systems Electricity 2 Active
US10374725B2 Power delivery in submarine optical communication systems using power feed converters Electricity 1 Active
US11531175B2 Abrasion protected deepwater cable Physics 1 Active
US11611393B1 Spatially resolved monitoring of cable perturbations using multichannel information Electricity 1 Active
US11566921B2 Techniques and apparatus for improved spatial resolution for locating anomalies in optical fiber Physics 1 Active
US10637565B2 Techniques for parameter reporting of elements in an optical transmission system using high loss loopback (HLLB) data and a line monitoring system implementing the same Electricity 1 Active
US10298321B2 In-service testing of optical signal-to-noise ratio Electricity 1 Active
US11483077B2 Optical switching and electrical powering architecture for undersea mesh networking Electricity 1 Active
US10498438B2 Automatic calibration of loopback data in line monitoring systems Electricity 1 Active
US10873390B1 System and apparatus for detecting and locating external aggression on an undersea cable Electricity 0 Active
US11664901B2 System, apparatus and method for efficient optical signal amplification with system monitoring features Electricity 0 Active
US10230472B2 Polarization modulation of supervisory signals for reducing interference with data signals Electricity 0 Active
US10530472B2 In-service testing of optical signal-to-noise ratio Electricity 0 Active
US12111204B2 Extending dynamic acoustic sensing range and localization in undersea cables using loopbacks Physics 0 Active
US12185035B2 Enhanced line monitoring and parameter reporting for high fiber count undersea fiber optic transmission systems with multiple switchable branches Electricity 0 Active
US11945561B2 Efficient undersea charging of undersea autonomous vehicles Emerging Cross-Sectional Technologies 0 Active
US11914040B2 Spatially resolved perturbation detection using line monitoring system Physics 0 Active
US11863296B2 Semiconductor based system and method for broad bandwidth transmission Electricity 0 Active
US12244337B2 Methods, mediums, and systems for testing fiber optic telecommunication systems Electricity 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.