Inventor · Midland School, CA, US

John Martinis

37Patents
7h-index
25Co-inventors
69Inventor score

Filing activity: Apr 27, 1984 → Aug 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4585999A Radiofrequency amplifier based on a dc superconducting quantum interference device Emerging Cross-Sectional Technologies 43 Expired
US5634718A Particle calorimeter with normal metal base layer Physics 28 Expired
US5880468A Superconducting transition-edge sensor Physics 28 Expired
US6239431A Superconducting transition-edge sensor with weak links Emerging Cross-Sectional Technologies 21 Expired
US11244240B2 Fidelity estimation for quantum computing systems Physics 14 Active
US5880467A Microcalorimeter x-ray detectors with x-ray lens Electricity 10 Expired
US6455849B1 Normal metal boundary conditions for multi-layer TES detectors Physics 9 Expired
US11562280B2 Reducing parasitic interactions in a qubit grid for surface code error correction Electricity 6 Active
US5934077A Mechanical support for a two pill adiabatic demagnetization refrigerator Emerging Cross-Sectional Technologies 6 Expired
US10998486B1 Reducing qubit energy decay and correlated errors from cosmic rays in quantum processors Electricity 5 Active
US11087233B2 Frequency pattern for reducing parasitic interactions in a qubit grid Physics 3 Active
US10488469B2 Magnetic flux control in superconducting devices Physics 3 Active
US10949769B2 Co-planar waveguide flux qubits Electricity 2 Active
US11687820B2 Frequency pattern for reducing parasitic interactions in a qubit grid Physics 2 Active
US11651263B2 Nonlinear calibration of a quantum computing apparatus Physics 2 Active
US10650320B2 Co-planar waveguide flux qubits Electricity 2 Active
US11694104B2 Reducing parasitic interactions in a qubit grid Physics 2 Active
US11557709B2 Flexible wiring for low temperature applications Electricity 1 Active
US10969443B2 Magnetic flux control in superconducting devices Physics 1 Active
US11411159B1 Integrated readout card Electricity 1 Active
US12321822B2 Quantum computing system having flex circuit boards for improved signal transmissions Electricity 0 Active
US12361306B2 T-joint connector for quantum computing systems Electricity 0 Active
US11923628B2 Butt joint flex circuit board interconnection Electricity 0 Active
US12056575B2 Reducing parasitic interactions in a qubit grid for surface code error correction Electricity 0 Active
US11751333B2 Overlap joint flex circuit board mating Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.