Inventor · San Jose, CA, US

Phuc Van

14Patents
5h-index
6Co-inventors
51Inventor score

Filing activity: Feb 11, 2000 → Jan 12, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7019513B1 Non-contact method and apparatus for measurement of sheet resistance and leakage current of p-n junctions Physics 16 Expired
USD450000S Multiple environment testing chamber General 11 Expired
US6546820B1 Method and apparatus for multifunction vacuum/nonvacuum annealing system Physics 9 Expired
US7116429B1 Determining thickness of slabs of materials by inventors Physics 7 Expired
US6922067B1 Determination of minority carrier diffusion length in solid state materials Physics 7 Expired
US7502121B1 Temperature insensitive low coherence based optical metrology for nondestructive characterization of physical characteristics of materials Physics 5 Expired
US7362088B1 Non contact method and apparatus for measurement of sheet resistance of P-N junctions Physics 5 Expired
US6643393B1 Method and apparatus for adhesion testing of thin film materials Physics 2 Expired
US7804294B1 Non contact method and apparatus for measurement of sheet resistance of P-N junctions Physics 2 Active
US7741833B1 Non contact method and apparatus for measurement of sheet resistance of p-n junctions Physics 2 Active
US6567541B1 Method and apparatus for adhesion testing of thin film materials Physics 2 Expired
US7737680B1 Non contact method and apparatus for measurement of sheet resistance of P-N junctions Physics 1 Active
US6611616B1 Method and apparatus for adhesion testing of thin film materials Physics 1 Expired
US7737681B1 Non contact method and apparatus for measurement of sheet resistance of P-N junctions Physics 1 Active

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