Inventor · Chandler, AZ, US

Lejun Wang

19Patents
8h-index
30Co-inventors
72Inventor score

Filing activity: Jan 7, 1999 → Mar 5, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6644536B2 Solder reflow with microwave energy Electricity 31 Expired
US6172141A Reworkable epoxy underfill encapsulants Chemistry; Metallurgy 19 Expired
US6570029B2 No-flow reworkable epoxy underfills for flip-chip applications Electricity 15 Expired
US6899960B2 Microelectronic or optoelectronic package having a polybenzoxazine-based film as an underfill material Emerging Cross-Sectional Technologies 12 Expired
US7359211B2 Local control of underfill flow on high density packages, packages and systems made therewith, and methods of making same Emerging Cross-Sectional Technologies 10 Expired
US7179684B2 Microelectronic or optoelectronic package having a polybenzoxazine-based film as an underfill material Emerging Cross-Sectional Technologies 9 Expired
US8750961B1 Implantable medical device having a multi-axis magnetic sensor Human Necessities 9 Active
US6498260B2 Thermally degradable epoxy underfills for flip-chip applications Electricity 8 Expired
US6730542B2 Polybenzoxazine based wafer-level underfill material Electricity 8 Expired
US8824161B2 Integrated circuit packaging for implantable medical devices Electricity 7 Active
US6727594B2 Polybenzoxazine based wafer-level underfill material Electricity 4 Expired
US9607759B2 Implantable medical device including a molded planar transformer Emerging Cross-Sectional Technologies 1 Active
US8133583B2 Fire retardant antiflux fiber and its production process Emerging Cross-Sectional Technologies 0 Active
US11844628B2 Method of forming a transformer assembly Emerging Cross-Sectional Technologies 0 Active
US7199342B2 Self-aligned mechanical joint between die and substrate exposed to mixed microwave energy Electricity 0 Expired
US12083718B2 Preparation method of high-rate foamed polylactic acid (PLA) sheet Chemistry; Metallurgy 0 Active
US9496241B2 Integrated circuit packaging for implantable medical devices Electricity 0 Active
US11213690B2 Wafer level packages of high voltage units for implantable medical devices Electricity 0 Active
US12116703B2 Method of preparing PAN-based carbon fibers Textiles; Paper 0 Active

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