Inventor · Fremont, CA, US

Ningyi Luo

15Patents
12h-index
9Co-inventors
67Inventor score

Filing activity: Feb 7, 2005 → Jun 26, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7430231B2 Vertical cavity surface emitting laser (VCSEL) arrays pumped solid-state lasers Electricity 30 Expired
US7280567B2 High-power red, orange, green, blue (ROGB) fiber lasers and applications thereof Electricity 21 Active
US7535938B2 Low-noise monolithic microchip lasers capable of producing wavelengths ranging from IR to UV based on efficient and cost-effective frequency conversion Electricity 18 Active
US7606273B2 Wavelength and intensity stabilized laser diode and application of same to pumping solid-state lasers Electricity 16 Active
US7542489B2 Injection seeding employing continuous wavelength sweeping for master-slave resonance Electricity 15 Active
US7535937B2 Monolithic microchip laser with intracavity beam combining and sum frequency or difference frequency mixing Electricity 14 Active
US7468998B2 Radio frequency modulation of variable degree and automatic power control using external photodiode sensor for low-noise lasers of various wavelengths Electricity 13 Active
US7457330B2 Low speckle noise monolithic microchip RGB lasers Electricity 13 Active
US7813390B2 Injection-seeded monolithic laser Electricity 13 Active
US7633979B2 Method and apparatus for producing UV laser from all-solid-state system Electricity 12 Active
US7330493B2 Method, apparatus and module using single laser diode for simultaneous pump of two gain media characteristic of polarization dependent absorption Electricity 12 Expired
US7522651B2 Solid-state lasers employing incoherent monochromatic pump Electricity 12 Expired
US7599413B2 Self-contained module for injecting signal into slave laser without any modifications or adaptations to it Electricity 11 Active
US11880056B2 Flattop laser beam generation and reshaping on an oblique screen using light pipes Electricity 0 Active
US12255432B2 Stable UV laser Electricity 0 Active

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