Inventor · Ottawa, ON, CA

Ping Lu

29Patents
7h-index
50Co-inventors
72Inventor score

Filing activity: Feb 24, 1995 → Oct 17, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5657362A Automated method and system for computerized detection of masses and parenchymal distortions in medical images Physics 188 Expired
US5832103A Automated method and system for improved computerized detection and classification of massess in mammograms Physics 60 Expired
US7031571B2 Bragg grating and method of producing a Bragg grating using an ultrafast laser Physics 34 Expired
US6993221B2 Bragg grating and method of producing a bragg grating using an ultrafast laser Physics 21 Expired
US7483615B2 Method of changing the refractive index in a region of a core of a photonic crystal fiber using a laser Physics 14 Active
US7689087B2 Method of changing the birefringence of an optical waveguide by laser modification of the cladding Physics 11 Active
US7379643B2 Optical fiber sensor based on retro-reflective fiber Bragg gratings Physics 8 Expired
US7245795B2 Optical device incorporating a tilted bragg grating Physics 7 Expired
US7515792B2 Method of increasing photosensitivity of glasses to ultrafast infrared laser radiation using hydrogen or deuterium Physics 6 Active
US7567734B2 Ridge waveguide optical sensor incorporating a Bragg grating Physics 4 Active
US8272236B2 High temperature stable fiber grating sensor and method for producing same Physics 4 Active
US10156680B2 Forming an optical grating with an apparatus providing an adjustable interference pattern Physics 4 Active
US8402789B2 High temperature stable fiber grating sensor and method for producing same Physics 4 Active
US10520669B2 Automated system for trans-jacket fibre Bragg grating inscription and manufacturing Physics 2 Active
USD972643S1 Remote game controller General 1 Active
US9276373B1 Frequency stabilized coherent brillouin random fiber laser Electricity 1 Active
US11359939B2 Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same Physics 1 Active
US9773317B2 Pedestrian tracking and counting method and device for near-front top-view monitoring video Physics 1 Active
US12259296B2 Apparatus, method and system for detecting presence of a fluid Physics 0 Active
US10866125B2 Low insertion loss high temperature stable fiber Bragg grating sensor and method for producing same Physics 0 Active
US11268984B2 Low-cost fiber optic sensor array for simultaneous detection of multiple parameters Physics 0 Active
US11726047B2 Distributed fiber-optic sensor network for sensing the corrosion onset and quantification Physics 0 Active
US8768121B2 Photonic filtering of electrical signals Electricity 0 Active
US12313540B2 Simultaneous ultrasonic vibration and gas sensing based on a tunable fiber ring laser Electricity 0 Active
US10652395B2 Methods, apparatuses and system for synchronizing call media and content Electricity 0 Active

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