Inventor · Roseville, MN, US

Chad Fertig

48Patents
6h-index
20Co-inventors
65Inventor score

Filing activity: Sep 24, 2013 → Mar 13, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US9983225B2 Optical-mechanical vibrating beam accelerometer Electricity 16 Active
US11193750B1 Dynamic optical interferometer locking using entangled photons Physics 13 Active
US11268806B2 Dynamical locking of optical path times using entangled photons Physics 13 Active
US9874581B2 In-situ bias correction for MEMS accelerometers Physics 8 Active
US11320720B2 Integrated photonics mode splitter and converter Physics 6 Active
US11079542B2 Integrated photonics source and detector of entangled photons Electricity 6 Active
US9766071B2 Diverging waveguide atomic gyroscope Physics 6 Active
US8853613B1 Magnetic field coils for magneto-optical trap Electricity 4 Active
US9083363B2 Systems and methods for a cold atom frequency standard Emerging Cross-Sectional Technologies 4 Active
US10788340B1 High resolution and high efficiency photonic air data detection Emerging Cross-Sectional Technologies 4 Active
US10705112B1 Noise rejection for optomechanical devices Electricity 3 Active
US9887019B2 Systems and methods for eliminating multi-path errors from atomic inertial sensors Physics 1 Active
US10330697B2 Active, in-situ, calibration of MEMS accelerometers using optical forces Physics 1 Active
US9407373B2 Optical synthesizer tuning using fine and coarse optical frequency combs Electricity 1 Active
US11940715B2 Nonlinear wave mixing system with grating-assisted phase matching Physics 1 Active
US11442148B2 High temperature and high dynamic bandwidth photonic sensor for gas flow rate, temperature, and pressure measurement Physics 1 Active
US11199661B2 Integrated photonics vertical coupler Physics 1 Active
US11150264B2 Feedthrough rejection for optomechanical devices using elements Performing Operations; Transporting 1 Active
US11119116B2 Accelerometer for determining an acceleration based on modulated optical signals Physics 0 Active
US11360221B2 Direct measurement of imbalanced optical paths using entangled photons Physics 0 Active
US11402241B2 Systems and methods for an integrated optical atomic sensor Electricity 0 Active
US11408912B2 Feedthrough rejection for optomechanical devices Physics 0 Active
US12321011B2 Turning grating device for emission of arbitrary optical beam profiles from waveguides into two-dimensional space Physics 0 Active
US9989926B2 Systems and methods for positionally stable magneto-optical trapping over temperature Physics 0 Active
US12199624B2 Continuous calibration of an atomic clock to an external reference Electricity 0 Active

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