Inventor · Harvard, MA, US

Robert J. Ledoux

32Patents
8h-index
21Co-inventors
71Inventor score

Filing activity: Feb 1, 2000 → Dec 20, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6259943A Frameless to frame-based registration system Human Necessities 107 Expired
US7120226B2 Adaptive scanning of materials using nuclear resonance fluorescence imaging Physics 46 Expired
US7409042B2 Use of nearly monochromatic and tunable photon sources with nuclear resonance fluorescence in non-intrusive inspection of containers for material detection and imaging Physics 20 Active
US7286638B2 Methods and systems for determining the average atomic number and mass of materials Physics 20 Expired
US7372262B2 Methods and systems for active non-intrusive inspection and verification of cargo and goods Physics 16 Active
US7693262B2 Use of nearly monochromatic and tunable photon sources with nuclear resonance fluorescence in non-intrusive inspection of containers for material detection and imaging Physics 12 Active
US6320334A Controller for a linear accelerator Electricity 11 Expired
US7323700B1 Method and system for controlling beam scanning in an ion implantation device Electricity 9 Expired
US6462489B1 Controller for a linear accelerator Electricity 5 Expired
US7634058B2 Methods and systems for determining the average atomic number and mass of materials Physics 4 Active
US10212231B2 Methods and systems for detecting a material source using a server and networked sensors Electricity 3 Active
US8149988B2 Use of nearly monochromatic and tunable photon sources with nuclear resonance fluorescence in non-intrusive inspection of containers for material detection and imaging Physics 3 Active
US8836249B2 Methods and systems for confining charged particles to a compact orbit during acceleration using a non-scaling fixed field alternating gradient magnetic field Electricity 3 Active
US8041007B2 Methods and systems for determining the average atomic number and mass of materials Physics 2 Active
US7949097B2 Methods and apparatus for the identification of materials using photons scattered from the nuclear “PYGMY resonance” Physics 2 Active
US8169167B2 Methods for diagnosing and automatically controlling the operation of a particle accelerator Electricity 2 Active
US8867687B2 Non-intrusive method to identify presence of nuclear materials using energetic prompt neutrons from neutron-induced fission Physics 1 Active
US8264173B2 Methods and systems for accelerating particles using induction to generate an electric field with a localized curl Electricity 1 Active
US8280684B2 Diagnostic methods and apparatus for an accelerator using induction to generate an electric field with a localized curl Electricity 1 Active
US8180019B2 Methods and systems for computer tomography of nuclear isotopes using nuclear resonance fluorescence Physics 1 Active
US8023618B2 Methods and apparatus for the identification of molecular and crystalline materials by the doppler broadening of nuclear states bound in molecules, crystals and mixtures using nuclear resonance fluorescence Physics 1 Active
US8358730B2 Non-intrusive method to identify presence of nuclear materials using energetic prompt neutrons from neutron-induced fission Physics 1 Active
US8259900B1 Adaptive scanning of materials using nuclear resonance fluorescence imaging Physics 1 Active
US10579747B2 Injection of simulated sources in a system of networked sensors Physics 0 Active
US8068582B2 Methods and systems for the directing and energy filtering of X-rays for non-intrusive inspection Physics 0 Active

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