Inventor · Mountain View, CA, US

Jun Gao

87Patents
9h-index
127Co-inventors
81Inventor score

Filing activity: Feb 13, 1998 → Jan 16, 2025

Most-cited inventions

PatentTitleAreaCited byStatus
US5987269A Toner quantity measuring technique in an electrophotographic printer Physics 36 Expired
US6472887B1 Capacitive sensor for sensing the amount of material in a container Physics 34 Expired
USD1029411S1 Bird feeder General 32 Active
US8082094B2 Navigation apparatus capable of correcting position data according to map matching position and method thereof Physics 32 Active
US7347988B2 Synthesis, uses and compositions of crystal hydrogels Physics 24 Expired
US7612882B2 Optical gratings, lithography tools including such optical gratings and methods for using same for alignment Physics 23 Active
US7433811B2 Direct patterning of silicon by photoelectrochemical etching Performing Operations; Transporting 14 Expired
US6517180B2 Dot sensing, color sensing and media sensing by a printer for quality control Performing Operations; Transporting 14 Expired
US6838687B2 Identification of recording media Performing Operations; Transporting 13 Expired
US7734084B2 Method and system for offset estimation and alignment Physics 8 Active
US7641468B2 Imprint lithography apparatus and method employing an effective pressure Performing Operations; Transporting 8 Active
USD1028892S1 Energy storage device General 8 Active
US6497179B1 Method and apparatus for distinguishing transparent media Performing Operations; Transporting 8 Expired
US6894262B2 Cluster-weighted modeling for media classification Performing Operations; Transporting 8 Expired
US7697724B1 Displacement determination system and method using separated imaging areas Physics 7 Active
US7085673B2 Displacement estimation system and method Physics 7 Expired
US10416063B2 Measuring rock wettability Physics 5 Active
US9027197B1 Dustpan Human Necessities 5 Active
US7289868B2 System and method for calculating a shift value between pattern instances Emerging Cross-Sectional Technologies 4 Expired
US10643130B2 Systems and methods for polygon object annotation and a method of training and object annotation system Physics 3 Active
US7226797B2 Sensing alignment of multiple layers Physics 3 Expired
US7283677B2 Measuring sub-wavelength displacements Emerging Cross-Sectional Technologies 3 Active
USD1033339S1 Energy storage device General 3 Active
US7780431B2 Nanoimprint molds and methods of forming the same Emerging Cross-Sectional Technologies 3 Active
US8361515B2 Extracts of Chenopodium ambrosioides L., the compositions comprising said extracts, the preparing process and application thereof Human Necessities 3 Active

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