Search Results - james+rosenzweig

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Device to Produce X-Rays for Use in Imaging (Case No. 2009-627)
Summary Researchers at UC San Diego have developed a compact, addressable flat-panel x-ray source based on pyroelectric / piezoelectric crystals with integrated field emitters. The design produces electron emission by temperature (or stress) cycling of crystals, which then strike a target to generate x-rays. The array architecture enables selectable...
Published: 9/24/2025   |   Inventor(s): Gil Travish, Rodney Yoder, James Rosenzweig
Keywords(s):  
Category(s): Electrical, Electrical > Signal Processing, Electrical > Instrumentation, Electrical > Imaging, Medical Devices, Optics & Photonics, Medical Devices > Monitoring And Recording Systems, Medical Devices > Medical Imaging, Medical Devices > Medical Imaging > X-Ray
Sunlight-Harvesting Windows for Enhanced Power Generation
Nanoparticle-Embedded Glass Redirects Scattered Light to Solar Cells Within Window Frames that Produce Electricity These sunlight-harvesting windows embedded with metal nanoparticles and framed with photovoltaic cells produce four times as much power as other solar windows. In 2014, the United States installed enough solar photovoltaics to power 4...
Published: 1/20/2026   |   Inventor(s): Wei Wei, Jiangeng Xue
Keywords(s): Harvesting, Infrared Absorption, light scattering, Nanoparticle, Solar Cells, Solar Energy, Transparent
Category(s): Technology Classifications > Engineering > Electrical, Technology Classifications > Engineering > Materials
2022-151 Improved Electrospray Propulsion Device
Summary: UCLA researchers in the Department of Physics and Astronomy have developed an improved electrospray propulsion device for satellites and other aerospace applications. Background: The application of electromagnetic principles for jet propulsion has been an ongoing area of research in aeronautical engineering. In particular, electric propulsion...
Published: 7/17/2025   |   Inventor(s): James Rosenzweig, Victor Shichen Yu, Gerard Lawler
Keywords(s): Aeronautics, Aerospace, Aerospace Engineering, Propulsion, Spacecraft
Category(s): Materials > Nanotechnology, Mechanical > Aeronautics & Aerospace
Synthesis of Star-Shaped Gold Nanoparticles for Solar Power and Biomedical Applications
Plasmonic Gold Nanoparticles Improve Photocatalytic Activity in Solar Cells and Windows or Biomedical Sensing This synthesis process produces gold nano-stars, plasmonic nanoparticles useful as photocatalysts for many applications. The gold nanoparticles market is expected to reach $6.33 billion by 2025; the nanoparticles are in large demand to improve...
Published: 1/20/2026   |   Inventor(s): Wei Wei, Wenxiao Guo
Keywords(s):  
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Others > Cleantech
Photocatalyst for More Efficient Water Oxidation, CO2 Reduction, and Nitrogen Fixation
Drives Photochemical Reactions Powered by Solar Energy and at Low Temperatures This photocatalyst and photolytic process boosts electrochemical efficiency of common industrial reactions, allowing them to occur under solar conditions and low temperatures. The global photocatalyst market is projected to reach $4.58 billion by 2025. Photocatalysts can...
Published: 1/20/2026   |   Inventor(s): Wei Wei
Keywords(s):  
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Others > Cleantech
Enhanced Au/TiO2 Catalysts for More Efficient O2 Activation
Adjusts Atomic Interface to Enable Catalytic Activity 34 Times Greater Than Traditional Catalysts This enhancement of the Au/TiO2 catalyst results from manipulating its interfacial atomic structures for optimal oxygen activation. Analysts project the global market for catalysts to reach $48 billion in 2027 . The field of heterogeneous catalysis does...
Published: 1/20/2026   |   Inventor(s): Wei Wei, Jiawei Huang
Keywords(s):  
Category(s): Technology Classifications > Others > Others
2017-381 Method of Localizing Breakdown in High Power RF Network
Summary: Researchers in the Department of Physics have developed a method for detecting localized electrical breakdowns in high power RF networks. Background: Electrical power failures are present in a variety of systems, from transmission lines to aircraft wings, and their early detection avoids damaging breakdowns. Power breakdowns in waveguides,...
Published: 7/17/2025   |   Inventor(s): James Rosenzweig, Nathan Majernik
Keywords(s): Energy & Water
Category(s): Energy & Environment > Energy Transmission
2018-667 Plasma Snubber
Plasma Opening SwitchSUMMARYUCLA researchers in the Department of Physics have developed a plasma opening switch that enables quick diversion of multi-gigawatt pulses to a protective shunt circuit.BACKGROUNDOpening switches are used in pulsed power applications for signal conditioning, inductive power sources, and thermal management. However, modern...
Published: 2/14/2025   |   Inventor(s): James Rosenzweig, Nathan Majernik
Keywords(s): Electronics & Semiconductors
Category(s): Electrical > Electronics & Semiconductors, Electrical > Electronics & Semiconductors > Circuits
Hybrid Plasmonic Platform for Directing and Controlling Nanostructure Growth
Low-Heat, Bottom-Up Approach Can Produce Metal, Polymer or Bio-Molecule Structures for Catalysis, Biosensors, Electronic Devices and MoreThis surface plasmon mediated chemical solution deposition method uses surface plasmon resonance to deposit nanoparticles in the liquid phase at room temperature to direct and control nanostructure growth. Plasmonic...
Published: 1/20/2026   |   Inventor(s): Jingjing Qiu, Wei Wei
Keywords(s): Catalysts, nanoparticle synthesis, Plasmonic, Thin Films
Category(s): Technology Classifications > Engineering > Chemical, Technology Classifications > Engineering > Materials