Inventor · San Jose, CA, US

Arthur Berman

62Patents
15h-index
35Co-inventors
84Inventor score

Filing activity: May 7, 1979 → Sep 29, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4792850A Method and system employing a push-pull liquid crystal modulator Electricity 222 Expired
US4859031A Optical collimating apparatus Physics 196 Expired
US4884876A Achromatic liquid crystal shutter for stereoscopic and other applications Electricity 164 Expired
US5208688A Eye protection device for welding helmets Physics 164 Expired
US5050966A Optical combiner collimating apparatus Physics 163 Expired
US4987410A Multiple image forming apparatus Physics 146 Expired
US4900133A Heads-up display combiner utilizing a cholesteric liquid crystal element Physics 124 Expired
US5515186A Eye protection device for welding helmets which reduces obliquely incident light Physics 65 Expired
US4879603A Multiple image, single display system and method Electricity 41 Expired
US7175281B1 Method and apparatus to increase the contrast ratio of the image produced by a LCoS based light engine Physics 38 Expired
US10365554B1 Dynamic aperture positioning for stereo endoscopic cameras Electricity 26 Active
US10754241B2 Dynamic aperture positioning for stereo endoscopic cameras Electricity 25 Active
US5519524A Active matrix liquid crystal having a counterelectrode substrate extended and connected to an external circuit Physics 24 Expired
US4235525A Liquid crystal display cell having a light field background Physics 18 Expired
US5016985A Infrared filter using cholesteric liquids Physics 18 Expired
US5486940A Liquid crystal light polarizer and method Physics 13 Expired
US10019849B2 Personal electronic device with a display system Electricity 12 Active
US9123171B1 Enhancing the coupled zone of a stereoscopic display Electricity 12 Active
US4235526A Liquid crystal display cell having a light field background Physics 11 Expired
US6909556B2 Design of prism assemblies and kernel configurations for use in projection systems Physics 9 Expired
US7400452B2 Method and apparatus for internal frames to improve performance and manufacturability of optical devices including liquid crystal on silicon (LCOS) based kernels Electricity 9 Expired
US6982829B1 Prism assembly with cholesteric reflectors Electricity 8 Expired
US8903958B1 System and methods for cloud based 3D design and collaboration Physics 8 Active
US7347558B2 3D kernel and prism assembly design Electricity 7 Expired
US7422329B2 Liquid crystal on silicon (LCOS) kernel with 3D projection capability Electricity 6 Expired

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