Inventor · Cambridge, GB

John Lewis

6Patents
4h-index
7Co-inventors
46Inventor score

Filing activity: Apr 19, 1976 → Jul 6, 1988

Most-cited inventions

PatentTitleAreaCited byStatus
US4908621A Autocalibrated multistage A/D converter Electricity 43 Expired
US4551731A Ink jet printing apparatus correctional in drop placement errors Performing Operations; Transporting 27 Expired
US4393443A Memory mapping system Physics 16 Expired
US4384295A Liquid jet printing apparatus using a raster of drops to effect printing Performing Operations; Transporting 12 Expired
US4075511A Electronic switches Electricity 3 Expired
US4085381A Amplifiers Electricity 1 Expired

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