Inventor · Waterloo, ON, CA

Joseph Ma

15Patents

2h-index

8Co-inventors

43Inventor score

Filing activity: Jan 5, 2007 → Jul 29, 2021

Most-cited inventions

Patent	Title	Area	Cited by	Status
US7252393B1	Triangular prism dual lamp coupler	Emerging Cross-Sectional Technologies	6	Active
US8545029B2	Hybrid high pressure mercury arc lamp-laser light production system	Physics	5	Active
US8011810B2	Light integrator for more than one lamp	Physics	2	Active
US9983402B1	Forward-on-forward high dynamic range architecture for digital micromirror devices	Electricity	2	Active
US10973625B2	Ocular systems, devices, and methods	Electricity	1	Active
US10215367B2	Apparatus for wavelength conversion	Physics	1	Active
US7712924B2	Optical device for adjusting the F-number of an elliptical lamp	Physics	1	Active
US10924705B1	Serrated prism exit aperture for managing projection flare artifacts	Physics	0	Active
US11160650B2	Ocular systems, devices, and methods	Electricity	0	Active
US12023239B2	Ocular systems, devices, and methods	Electricity	0	Active
US9494849B2	Rotationally static light emitting material with rotating optics	Physics	0	Active
US11213383B2	Ocular systems, devices, and methods	Electricity	0	Active
US9810891B2	Dual light source enhanced integration system	Physics	0	Active
US10481408B2	Apparatus for reducing coherence of a laser beam	Physics	0	Active
US9389492B2	Rotationally static light emitting material with rotating optics	Electricity	0	Active

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