Inventor · Markham, ON, CA

Wei Li

104Patents
13h-index
120Co-inventors
89Inventor score

Filing activity: Dec 8, 1997 → Sep 13, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US5930039A Optical circulator Physics 48 Expired
US6212313A Optical interleaver Physics 35 Expired
US7763456B2 3D micro-scale engineered tissue model systems Performing Operations; Transporting 34 Active
US5909310A Optical circulator Physics 31 Expired
US6084994A Tunable, low back-reflection wavelength division multiplexer Physics 30 Expired
US8200481B2 Method and device for performing frame erasure concealment to higher-band signal Physics 19 Active
US7552048B2 Method and device for performing frame erasure concealment on higher-band signal Physics 19 Active
USD899571S1 Dehumidifier General 18 Active
US6192175A Method and system for providing a multi-channel optical filter Physics 18 Expired
US6215919A Mechanical optical switching device Physics 17 Expired
US6441960B1 Optical interleavers with minimized dispersion Electricity 16 Expired
US6553156B1 Optical isolators with ultra-low polarization mode dispersion Physics 14 Expired
USD684703S1 Set of inserts for co-culture of cells in microtiter plates General 13 Active
US6178044A Method and system for providing an optical circulator Emerging Cross-Sectional Technologies 13 Expired
US7116480B1 Method and apparatus for optical switching Physics 12 Expired
US6915061B2 Variable optical attenuator with MEMS devices Physics 12 Expired
US6215923A Optical interleaver Physics 10 Expired
US7680791B2 Method for sorting data using common prefix bytes Emerging Cross-Sectional Technologies 9 Expired
US6839170B2 Optical isolator Emerging Cross-Sectional Technologies 8 Expired
US6272264A Multiple-channel optical filter Physics 8 Expired
US7188323B2 Restricted scan reordering technique to enhance delay fault coverage Physics 7 Expired
US8065326B2 System and method for building decision trees in a database Physics 7 Active
US11272639B2 Heat dissipation panel, heat dissipation apparatus, and electronic device Physics 6 Active
US6078710A Method and system for providing a multi-channel optical filter Physics 5 Expired
US6353691B1 Method and system for splitting or combining optical signal Physics 4 Expired

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