Inventor · Portland, OR, US

Samuel C. Howells

36Patents
5h-index
35Co-inventors
69Inventor score

Filing activity: May 20, 1999 → Jan 24, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8148663B2 Apparatus and method of improving beam shaping and beam homogenization Performing Operations; Transporting 32 Active
US6448568B1 Electron beam column using high numerical aperture photocathode source illumination Electricity 31 Expired
US8829392B2 Apparatus and method of improving beam shaping and beam homogenization Performing Operations; Transporting 15 Active
US6532097B1 Image registration apparatus having an adjustable reflective diffraction grating and method Physics 10 Expired
US7407252B2 Area based optical proximity correction in raster scan printing Electricity 10 Active
US7034963B2 Method for adjusting edges of grayscale pixel-map images Physics 5 Expired
US6775452B2 Phosphor coated waveguide for efficient collection of electron-generated photons Electricity 5 Expired
US8946594B2 Optical design for line generation using microlens array Electricity 4 Active
US9908200B2 Apparatus and method of improving beam shaping and beam homogenization Performing Operations; Transporting 3 Active
US6243209A Method and apparatus for providing rectangular shape array of light beams Physics 3 Expired
US10072986B1 Detector for low temperature transmission pyrometry Electricity 2 Active
US8970963B2 Multiple beam combiner for laser processing apparatus Physics 2 Active
US11562915B2 Methods, systems, and apparatus for optically monitoring individual lamps Electricity 2 Active
US7529421B2 Optical proximity correction in raster scan printing based on corner matching templates Physics 2 Active
US10845249B2 Continuous spectra transmission pyrometry Electricity 1 Active
US9636778B2 Optical design for line generation using microlens array Electricity 1 Active
US8363320B2 Method and apparatus for decorrelation of spatially and temporally coherent light Physics 1 Active
US8432613B2 Multi-stage optical homogenization Electricity 1 Active
US8569187B2 Thermal processing apparatus Electricity 1 Active
US6751000B2 Reflective diffraction of radiation beams for image registration Physics 1 Expired
US10281335B2 Pulsed radiation sources for transmission pyrometry Electricity 1 Active
US10571337B2 Thermal cooling member with low temperature control Electricity 1 Active
US9285595B2 Multiple beam combiner for laser processing apparatus Physics 1 Active
US10181409B2 Thermal processing apparatus Electricity 1 Active
US8693095B2 Method and apparatus for decorrelation of spatially and temporally coherent light Physics 0 Active

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