Patent assignee · NL · COMPANY

Draka Comteq B.V.

285Patents
256Active
285Granted
60Portfolio score

Filing activity: Aug 7, 2000 → Mar 28, 2023 · 118 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7346244B2 Coated central strength member for fiber optic cables with reduced shrinkage Physics 357 Expired
US7555186B2 Optical fiber Physics 340 Active
US8131125B2 Bend-insensitive single-mode optical fiber Physics 251 Active
US8565568B2 Broad-bandwidth multimode optical fiber having reduced bending losses Physics 238 Active
US8406593B2 Multimode optical fiber with low bending losses and reduced cladding effect Physics 233 Active
US8938144B2 Optical fiber cable Physics 223 Active
US7587111B2 Single-mode optical fiber Physics 184 Active
US7623747B2 Single mode optical fiber Physics 160 Active
US7570852B2 Optical fiber cable suited for blown installation or pushing installation in microducts of small diameter Physics 115 Active
US7356234B2 Chromatic dispersion compensating fiber Physics 112 Active
US7817891B2 Method for accessing optical fibers within a telecommunication cable Physics 104 Active
US7515795B2 Water-swellable tape, adhesive-backed for coupling when used inside a buffer tube Physics 102 Active
US7567739B2 Fiber optic cable having a water-swellable element Physics 98 Active
US7483613B2 Chromatic dispersion compensating fiber Electricity 98 Active
US7599589B2 Gel-free buffer tube with adhesively coupled optical element Physics 97 Active
US7322122B2 Method and apparatus for curing a fiber having at least two fiber coating curing stages Performing Operations; Transporting 96 Expired
US7444051B2 Conductor module, especially of an optical fibre type, having longitudinal impenetrability and controlled relative slippage, and associated method of production Physics 93 Expired
US7639915B2 Optical fiber cable having a deformable coupling element Physics 92 Active
US7646954B2 Optical fiber telecommunications cable Physics 85 Active
US7646952B2 Optical fiber cable having raised coupling supports Physics 81 Active
US8301000B2 Single-mode optical fiber Physics 71 Active
US7574095B2 Communication cable assembly and installation method Physics 69 Active
US7889960B2 Bend-insensitive single-mode optical fiber Physics 67 Active
US7724998B2 Coupling composition for optical fiber cables Physics 66 Active
US7970247B2 Buffer tubes for mid-span storage Physics 66 Active

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