Inventor · Chelmsford, MA, US

Chen-Hsiung Cheng

21Patents
11h-index
17Co-inventors
68Inventor score

Filing activity: Sep 23, 2002 → Jun 12, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6720519B2 System and method of laser drilling Performing Operations; Transporting 101 Expired
US6621045B1 Workpiece stabilization with gas flow Performing Operations; Transporting 69 Expired
US6627844B2 Method of laser milling Electricity 52 Expired
US6897405B2 Method of laser milling using constant tool path algorithm Electricity 42 Expired
US6804574B2 Method of using a computer with a laser drilling system Physics 34 Expired
US6829517B2 Computer system for use with laser drilling system Performing Operations; Transporting 31 Expired
US6749285B2 Method of milling repeatable exit holes in ink-jet nozzles Emerging Cross-Sectional Technologies 29 Expired
US6710293B2 System for and method of custom microfilter design with beamsplitter characterization Performing Operations; Transporting 26 Expired
US6803539B2 System and method of aligning a microfilter in a laser drilling system using a CCD camera Performing Operations; Transporting 25 Expired
US7773216B2 Composite sheet material selection method for use in ultra-fast laser patterning Performing Operations; Transporting 12 Active
US7053351B2 Near-field scanning optical microscope for laser machining of micro- and nano- structures Performing Operations; Transporting 12 Expired
US8772671B2 Precision laser ablation Performing Operations; Transporting 8 Active
US7323657B2 Precision machining method using a near-field scanning optical microscope Emerging Cross-Sectional Technologies 6 Expired
US6610961B1 System and method of workpiece alignment in a laser milling system Electricity 6 Expired
US7265840B2 Coupling method for coupling high power optical beams into an optical waveguide Physics 5 Expired
US7151244B2 Method and apparatus for calibration of near-field scanning optical microscope tips for laser machining Physics 4 Expired
US6931991B1 System for and method of manufacturing gravure printing plates Performing Operations; Transporting 4 Expired
US7198961B2 Method for modifying existing micro-and nano-structures using a near-field scanning optical microscope Emerging Cross-Sectional Technologies 4 Expired
US7122489B2 Manufacturing method of composite sheet material using ultrafast laser pulses Emerging Cross-Sectional Technologies 2 Expired
US7209858B1 Precision position determining method Performing Operations; Transporting 1 Expired
US10152455B2 Data processing method and processor based on 3072-point fast Fourier transformation, and storage medium Electricity 0 Active

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