Inventor · Rochester, NY, US

Wanli Chi

87Patents
9h-index
66Co-inventors
81Inventor score

Filing activity: Dec 18, 2002 → Dec 9, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6927922B2 Imaging using a multifocal aspheric lens to obtain extended depth of field Electricity 257 Expired
US7336430B2 Extended depth of field using a multi-focal length lens with a controlled range of spherical aberration and a centrally obscured aperture Electricity 85 Expired
US10444510B1 Opposed gratings in a waveguide display Physics 37 Active
US10634907B1 Eye tracking based on polarization volume grating Physics 27 Active
US10571699B1 Multi-layered substrates for waveguide displays Physics 26 Active
US9185306B1 Imaging module and reader for, and method of, illuminating and imaging targets to be read over an extended range of working distances Physics 18 Active
US10056020B2 Waveguide display with two-dimensional scanner Physics 18 Active
US11022856B1 Waveguide with switchable input Physics 9 Active
US10185151B2 Waveguide display with a small form factor, a large field of view, and a large eyebox Physics 9 Active
US11067811B2 Volume bragg gratings for near-eye waveguide display Physics 9 Active
US8558182B2 Optical element, device, method, and applications Physics 9 Active
US10157559B2 Scanned MicroLED array for waveguide display Physics 8 Active
US10345600B1 Dynamic control of optical axis location in head-mounted displays Physics 7 Active
US10295723B1 2D pupil expander using holographic Bragg grating Physics 7 Active
US10395575B1 Scanned microLED array for waveguide display Physics 6 Active
US10725291B2 Waveguide including volume Bragg gratings Physics 6 Active
US9033237B1 Decoding DPM indicia with polarized illumination Physics 6 Active
US11175511B2 Field-of-view stitched waveguide display Physics 5 Active
US11169379B2 Spatially multiplexed volume Bragg gratings with varied refractive index modulations for waveguide display Physics 5 Active
US7554750B2 Imaging using a multifocal aspheric lens to obtain extended depth of field Electricity 5 Expired
US7511895B2 Apparatus and method for extended depth of field imaging Electricity 5 Active
US10585287B2 Waveguide display with a small form factor, a large field of view, and a large eyebox Physics 4 Active
US10515574B1 Scanned MicroLED array for waveguide display Physics 4 Active
US10613332B1 Near-eye display assembly with enhanced display resolution Physics 4 Active
US10133168B1 Compact light projection system including an anamorphic reflector assembly Physics 4 Active

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