Inventor · Danville, CA, US

John Logan

24Patents
7h-index
10Co-inventors
66Inventor score

Filing activity: Nov 5, 1979 → Sep 25, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4791363A Ceramic microstrip probe blade Physics 138 Expired
US4731577A Coaxial probe card Physics 127 Expired
US4686463A Microwave probe fixture Physics 22 Expired
US9116558B2 Executing gestures with active stylus Physics 16 Active
US8869095B2 Software framework and development platform for multi-sensor systems Physics 12 Active
US4476433A Electronic test fixture Physics 8 Expired
US9182856B2 Capacitive force sensor Physics 8 Active
US9164603B2 Executing gestures with active stylus Physics 7 Active
US4303092A Siphonic irrigation apparatus Emerging Cross-Sectional Technologies 6 Expired
US9880645B2 Executing gestures with active stylus Physics 4 Active
US10599234B2 Executing gestures with active stylus Physics 4 Active
US9389701B2 Data transfer from active stylus Physics 4 Active
US10162400B2 Power management system for active stylus Physics 2 Active
US11520419B2 Executing gestures with active stylus Physics 1 Active
US9965107B2 Authenticating with active stylus Physics 1 Active
US9459737B2 Proximity detection using multiple inputs Physics 1 Active
US10579120B2 Power management system for active stylus Physics 0 Active
US9292144B2 Touch-sensor-controller sensor hub Physics 0 Active
US11733755B2 Power management system for active stylus Physics 0 Active
US8736551B2 Touch-sensor-controller sensor hub Physics 0 Active
US12236020B2 Executing gestures with active stylus Physics 0 Active
US12050499B2 Power management system for active stylus Physics 0 Active
US11269429B2 Executing gestures with active stylus Physics 0 Active
US11868548B2 Executing gestures with active stylus Physics 0 Active

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