Inventor · San Francisco, CA, US

Daniel Clifton

30Patents
11h-index
24Co-inventors
75Inventor score

Filing activity: Nov 6, 1992 → Sep 4, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5469556A Resource access security system for controlling access to resources of a data processing system Physics 57 Expired
USD691132S1 Mobile computing device General 40 Active
USD871203S1 Transaction card presentation box General 26 Active
USD706261S1 Mobile computing device General 18 Active
US7509363B2 Method and system for approximating sine and cosine functions Physics 17 Active
USD792392S1 Tablet General 17 Active
US6976043B2 Technique for approximating functions based on lagrange polynomials Physics 14 Expired
US8468191B2 Method and system for multi-precision computation Physics 14 Active
US9176537B2 Connector assembly for an electronic device Electricity 13 Active
US9988193B1 Presentation box for a transaction card Performing Operations; Transporting 12 Active
US6433790B1 Methods and systems for rendering line and point features for display Physics 11 Expired
US9548576B2 Connector assembly for an electronic device Electricity 10 Active
US9244496B2 Hinge configuration for an electronic device Fixed Constructions 9 Active
US9395762B2 Hinge configuration for an electronic device Fixed Constructions 8 Active
US9195314B2 Keyboard with magnetic key position return for an electronic device Electricity 7 Active
USD806087S1 Connector keyboard for an electronic device General 7 Active
US10073495B2 Connector assembly for an electronic device Electricity 7 Active
USD874456S1 Electronic device General 7 Active
US10114423B2 Hybrid computing device, apparatus and system Physics 5 Active
US10345865B2 Connector assembly for an electronic device Electricity 4 Active
USD760713S1 Tablet computer General 4 Active
US10067538B2 Connector assembly for an electronic device Electricity 4 Active
US10571976B2 Connector assembly for an electronic device Electricity 3 Active
US10860067B2 Mobile computing device, apparatus and system Physics 2 Active
US10152093B2 Connector assembly for an electronic device Electricity 2 Active

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