Inventor · Parramatta, AU

John Lam

22Patents
9h-index
16Co-inventors
72Inventor score

Filing activity: Dec 21, 1992 → May 12, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8212492B2 Electronic ballast with high power factor Emerging Cross-Sectional Technologies 56 Active
US5321591A Toy flashlight strobe module Human Necessities 24 Expired
US6710865B2 Method of inferring optical parameters outside of a measurement spectral range Physics 22 Expired
USD796948S1 Produce container General 14 Active
USD840221S1 Produce container General 12 Active
USD823106S1 Produce container General 11 Active
USD623482S1 Produce container General 11 Expired
US6594025B2 Method of monitoring thin-film processes and metrology tool thereof Physics 10 Expired
USD893292S1 Produce container General 9 Active
US9511901B2 Dual compartment produce container having two receptacles separated by a barrier defined by oppositely oriented walls of each of the two receptacles Performing Operations; Transporting 8 Active
US9580234B2 Produce container with ventilation apertures Performing Operations; Transporting 5 Active
USD838584S1 Produce container General 2 Active
US9049773B2 Digital controller for an electronic ballast Emerging Cross-Sectional Technologies 1 Active
US9513112B1 Three dimensional characterization of silicon wafer Vias from combined on-top microscopic and bottom-through laser fringes measurement Physics 1 Active
US8779674B2 Electronic ballast with high power factor Emerging Cross-Sectional Technologies 1 Active
US8365143B2 Dynamic languages for static hosts Physics 1 Active
US10618701B2 Enhanced produce container Performing Operations; Transporting 0 Active
US8416583B2 Energy output circuit and its control method Electricity 0 Active
US12055630B2 Light detection and ranging device using combined pulse and continuous optical signals Physics 0 Active
US9578727B2 Digital controller for an electronic ballast Emerging Cross-Sectional Technologies 0 Active
US12374899B2 Modular single-stage step-up PV converter with integrated power balancing feature Emerging Cross-Sectional Technologies 0 Active
US9338843B2 High power factor, electrolytic capacitor-less driver circuit for light-emitting diode lamps Electricity 0 Active

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