Inventor · Livermore, CA, US

Charles E. Ader

13Patents
4h-index
8Co-inventors
53Inventor score

Filing activity: Oct 2, 1991 → Jan 24, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US7942326B2 Multi-mode ring scanner Physics 15 Active
US5410332A Trackball device with improved ball suspension and adjustable resolution Physics 9 Expired
US7429000B1 Cordless hand scanner with improved user feedback Physics 8 Expired
USD361761S Computer keyboard General 6 Expired
US8317102B2 Multi-mode ring scannner Physics 4 Active
US8794527B2 Host feedback of scan status for scanners wielded by hand Physics 3 Active
US9082030B1 Multi-mode ring scanner Physics 3 Active
US9626542B2 Host feedback of scan status Physics 3 Active
US7686227B2 Cordless hand scanner with improved user feedback Physics 2 Active
US10546170B2 Host feedback of scan status Physics 2 Active
US8132732B2 Cordless hand scanner with improved user feedback Physics 2 Active
US10152623B2 Host feedback of scan status Physics 1 Active
US11138399B2 Host feedback of scan status Physics 1 Active

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