Inventor · Village of La Jolla, CA, US

Richard Chan

23Patents
8h-index
22Co-inventors
75Inventor score

Filing activity: Apr 4, 1997 → Jan 10, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7286583B2 Semiconductor laser devices and methods Electricity 32 Expired
US7535034B2 PNP light emitting transistor and method Electricity 29 Active
US7354780B2 Semiconductor light emitting devices and methods Electricity 27 Expired
US6027628A Gel cassette for electrophoresis Physics 19 Expired
US5938906A Horizontal gel electrophoresis casting cassette Physics 17 Expired
US7693195B2 Semiconductor light emitting devices and methods Electricity 11 Active
US7906805B2 Reduced-edge radiation-tolerant non-volatile transistor memory cells Electricity 11 Active
US8823011B2 High linearity bandgap engineered transistor Electricity 10 Active
US6919784B2 High cycle MEMS device Electricity 8 Expired
US6774667B1 Method and apparatus for a flexible chargepump scheme for field-programmable gate arrays Electricity 7 Expired
US7888199B2 PNP light emitting transistor and method Electricity 6 Active
US6998946B2 High cycle deflection beam MEMS devices Electricity 6 Expired
US7768317B1 Radiation-tolerant flash-based FPGA memory cells Physics 6 Active
US8742453B2 High linearity hybrid transistor device Electricity 5 Active
US7142076B2 High cycle MEMS device Electricity 3 Expired
US8232831B2 Multiple input/gain stage Gilbert cell mixers Electricity 2 Active
US8974651B2 Illuminator for visualization of fluorophores Physics 1 Active
US9835587B2 Electrophoresis running tank assembly Physics 1 Active
US11879118B2 Gel tray for bacteria transformation lab Chemistry; Metallurgy 1 Active
US12384994B2 Gel tray for bacteria transformation lab Chemistry; Metallurgy 0 Active
US6402915B1 Running tank assembly for electrophoresis Physics 0 Expired
US10641731B2 Electrophoresis running tank assembly Physics 0 Active
US11879117B2 Gel tray for bacteria transformation lab Chemistry; Metallurgy 0 Active

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