Inventor · Menlo Park, CA, US

Ralph Hamilton Shepard

39Patents
5h-index
52Co-inventors
68Inventor score

Filing activity: Mar 7, 2007 → Oct 16, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10819923B1 Thermal imaging for self-driving cars Physics 41 Active
US10698088B2 LIDAR receiver using a waveguide and an aperture Physics 12 Active
US10890650B2 LIDAR with co-aligned transmit and receive paths Physics 5 Active
USD904909S1 Sensor housing General 5 Active
US10425598B2 Methods and systems for time-encoded multiplexed imaging Physics 5 Active
US11392124B1 Method and system for calibrating a plurality of detection systems in a vehicle Physics 4 Active
US11428550B2 Sensor region of interest selection based on multisensor data Physics 3 Active
US11520044B2 Waveguide diffusers for LIDARs Physics 2 Active
US11606517B1 Enhanced depth of focus cameras using variable apertures and pixel binning Electricity 2 Active
US10070055B2 Devices and methods for optically multiplexed imaging Electricity 2 Active
US11747453B1 Calibration system for light detection and ranging (lidar) devices Physics 2 Active
US11561284B2 Parallax compensating spatial filters Physics 1 Active
US11867808B2 Waveguide diffusers for LIDARs Physics 1 Active
US11333748B2 Array of light detectors with corresponding array of optical elements Physics 1 Active
US11752976B1 Capacitance-based foreign object debris sensor Physics 1 Active
US11525892B2 Beam homogenization for occlusion resistance Physics 1 Active
US11059457B1 Capacitance-based foreign object debris sensor Physics 1 Active
US12164026B2 Waveguide diffusers for LIDARs Physics 0 Active
US11922829B2 Visual communication system Physics 0 Active
USD1022746S1 Sensor housing General 0 Active
US12210207B2 Lens retainer ring with compliant element Physics 0 Active
US12143734B1 Enhanced depth of focus cameras using variable apertures and pixel binning Electricity 0 Active
US12032101B1 Calibration system for light detection and ranging (lidar) devices Physics 0 Active
US11178348B2 Thermal imaging for self-driving cars Physics 0 Active
US11536845B2 LIDAR systems with multi-faceted mirrors Physics 0 Active

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