Inventor · Torrance, CA, US

Roger Tsai

26Patents
6h-index
24Co-inventors
69Inventor score

Filing activity: Sep 21, 2000 → Apr 24, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
USD969807S1 Monitor General 22 Active
US6711723B2 Hybrid semi-physical and data fitting HEMT modeling approach for large signal and non-linear microwave/millimeter wave circuit CAD Physics 16 Expired
US10153273B1 Metal-semiconductor heterodimension field effect transistors (MESHFET) and high electron mobility transistor (HEMT) based device and method of making the same Electricity 11 Active
US7800132B2 High electron mobility transistor semiconductor device having field mitigating plate and fabrication method thereof Electricity 10 Active
US6524899B1 Process for forming a large area, high gate current HEMT diode Electricity 10 Expired
USD969806S1 Monitor General 10 Active
US6772400B2 Semi-physical modeling of HEMT high frequency small signal equivalent circuit models Physics 4 Expired
US6503774B2 Embedding parasitic model for pi-fet layouts Physics 4 Expired
US6594594B1 Method for unique determination of FET equivalent circuit model parameters Physics 4 Expired
US7135411B2 Method for etching mesa isolation in antimony-based compound semiconductor structures Electricity 4 Expired
US7893423B2 Electrical circuit device having carbon nanotube fabrication from crystallography oriented catalyst Emerging Cross-Sectional Technologies 4 Active
US10393530B2 Dynamic content delivery based on vehicle navigational attributes Performing Operations; Transporting 4 Active
USD969130S1 Monitor General 3 Active
US10914593B2 Dynamic content delivery based on vehicle navigational attributes Performing Operations; Transporting 3 Active
US11320270B2 Dynamic content delivery based on vehicle navigational attributes Electricity 2 Active
US9793353B1 Multiple layer quantum well FET with a side-gate Electricity 2 Active
US10958966B2 Synchronizing streaming media content across devices Electricity 2 Active
US6573744B2 S-parameter microscopy for semiconductor devices Physics 1 Expired
US7678672B2 Carbon nanotube fabrication from crystallography oriented catalyst Emerging Cross-Sectional Technologies 1 Active
US12092466B2 Dynamic content delivery based on vehicle navigational attributes Performing Operations; Transporting 0 Active
US11540003B2 Synchronizing streaming media content across devices Electricity 0 Active
US9425110B1 Yield enhancing vertical redundancy method for 3D wafer level packaged (WLP) integrated circuit systems Electricity 0 Active
US11856253B2 Synchronizing streaming media content across devices Electricity 0 Active
US6396679B1 Single-layer dielectric structure with rounded corners, and circuits including such structures Electricity 0 Expired
US9793350B1 Multiple layer side-gate FET switch Electricity 0 Active

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