Patent assignee · CH · COMPANY

ID QUANTIQUE SA

27Patents
27Active
27Granted
53Portfolio score

Filing activity: Aug 17, 2004 → Feb 9, 2023 · 4 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US9246041B1 Apparatus and method for allowing avalanche photodiode based single-photon detectors to be driven by the same electrical circuit in gated and in free-running modes Electricity 113 Active
US7519641B2 Method and apparatus for generating true random numbers by way of a quantum optics process Electricity 12 Active
US9634835B2 Apparatus and method for the detection of attacks taking control of the single photon detectors of a quantum cryptography apparatus by randomly changing their efficiency Electricity 7 Active
US7929690B2 Two non-orthogonal states quantum cryptography method and apparatus with inter-and inter-qubit interference for eavesdropper detection Electricity 5 Active
US9954859B2 Random number distribution Electricity 4 Active
US10999069B2 Apparatus and method for direct quantum cryptography system implementation over WDM telecommunication network Electricity 2 Active
US8995650B2 Two non-orthogonal states quantum cryptography method and apparatus with intra- and inter-qubit interference for eavesdropper detection Electricity 2 Active
US10698659B2 Quantum noise-based random number generating apparatus utilizing a plurality of light sources Electricity 1 Active
US11411723B2 Apparatus and method for quantum enhanced physical layer security Electricity 1 Active
US10346136B2 Device and method for managing performance of quantum noise-based random number generator Electricity 1 Active
US10145513B2 Apparatus and method for cryocooled devices thermalization with RF electrical signals Physics 1 Active
US10020937B2 Apparatus and method for the detection of attacks taking control of the single photon detectors of a quantum cryptography apparatus by randomly changing their efficiency Electricity 1 Active
US10056974B2 Apparatus and method for low latency, reconfigurable and picosecond resolution time controller Physics 1 Active
US8320774B2 Apparatus and method for adjustment of interference contrast in an interferometric quantum cryptography apparatus by tuning emitter wavelength Electricity 1 Active
US11700109B2 Method and device for recognizing blinding attacks in a quantum encrypted channel Electricity 0 Active
US11240016B2 Method and apparatus for stabilizing quantum cryptographic key distribution Electricity 0 Active
US11057200B2 Apparatus and method for enhancing secret key rate exchange over quantum channel in quantum key distribution systems Emerging Cross-Sectional Technologies 0 Active
US11411657B2 Quantum communication system Electricity 0 Active
US10014934B2 Apparatus and method for providing eavesdropping detection of an optical fiber communication Electricity 0 Active
US11868742B2 Quanta image sensor quantum random number generation Physics 0 Active
US11989080B2 Quantum bit error rate minimization method Electricity 0 Active
US11418316B2 Method and device for recognizing blinding attacks in a quantum encrypted channel Electricity 0 Active
US12244698B2 Quantum channel synchronization Electricity 0 Active
US11988551B2 Device and system for single photon detection using a plurality of superconducting detection means connected in parallel Physics 0 Active
US11619545B2 Detection of photon by pairing avalanche photodiodes with different threshold voltages Electricity 0 Active

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