Inventor · Lexington, MA, US

Yecheng Wu

28Patents
4h-index
18Co-inventors
60Inventor score

Filing activity: Oct 21, 1999 → Mar 22, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US10043071B1 Automated document classification Physics 37 Active
US6477270B1 Method for converting a high resolution image to true color using a low resolution color image Physics 12 Expired
US10457086B2 Embedded variable line patterns Performing Operations; Transporting 9 Active
US10899160B1 Identification document with multiview image Physics 4 Active
US10268911B1 System and method for liveness detection using facial landmarks Physics 4 Active
US11279164B1 Length-modulated screening lines and line codes Physics 3 Active
US11037213B2 Embedding security information in an image Physics 2 Active
US10997700B2 System and method for normalizing skin tone brightness in a portrait image Physics 2 Active
US11380115B2 Digital identifier for a document Physics 2 Active
US10095924B1 Document authentication Physics 2 Active
US10701059B2 Onboard vehicle digital identification transmission Electricity 1 Active
US10262191B2 System and method for manufacturing and inspecting identification documents Physics 1 Active
US11444933B2 Onboard vehicle digital identification transmission Electricity 1 Active
US10688822B1 Embedding 3D information in documents Physics 1 Active
US11648792B2 Embedded variable curved spiral patterns Physics 1 Active
US11743248B2 Onboard vehicle digital identification transmission Electricity 0 Active
US10929712B2 Embedded variable line patterns for images Physics 0 Active
US10767959B2 Device and method of recoil reduction for air guns Mechanical Engineering; Lighting; Heating 0 Active
US11267276B2 Optically variable ghost image with embedded data Physics 0 Active
US11244212B2 Printing white features of an image using a print device Electricity 0 Active
US11314996B1 Embedded line patterns using square-wave linecode Physics 0 Active
US11093770B2 System and method for liveness detection Physics 0 Active
US10760873B2 Gear-type air rifle slide stop structure Mechanical Engineering; Lighting; Heating 0 Active
US10747992B1 Document authentication Physics 0 Active
US11407246B2 Embedded variable line patterns Performing Operations; Transporting 0 Active

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