Inventor · Palo Alto, CA, US

Charles P. Thacker

32Patents
19h-index
36Co-inventors
81Inventor score

Filing activity: Mar 31, 1975 → Jan 23, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US4063220A Multipoint data communication system with collision detection Electricity 324 Expired
US5088091A High-speed mesh connected local area network Electricity 205 Expired
US7082495B2 Method and apparatus to reduce power consumption and improve read/write performance of hard disk drives using non-volatile memory Emerging Cross-Sectional Technologies 156 Expired
US6788815B2 System and method for accepting disparate types of user input Physics 116 Expired
US5267235A Method and apparatus for resource arbitration Electricity 81 Expired
US5179558A Routing apparatus and method for high-speed mesh connected local area network Physics 72 Expired
US5313501A Method and apparatus for deskewing digital data Electricity 70 Expired
US6957233B1 Method and apparatus for capturing and rendering annotations for non-modifiable electronic content Physics 68 Expired
US5193197A Apparatus and method for distributed dynamic priority arbitration for access to a shared resource Physics 67 Expired
US5136700A Apparatus and method for reducing interference in two-level cache memories Physics 65 Expired
US5276851A Automatic writeback and storage limit in a high-performance frame buffer and cache memory system Physics 38 Expired
US4148098A Data transfer system with disk command verification apparatus Physics 37 Expired
US4103331A Data processing display system Physics 36 Expired
US5301283A Dynamic arbitration for system bus control in multiprocessor data processing system Physics 32 Expired
US7028258B1 Dynamic pagination of text and resizing of image to fit in a document Physics 31 Expired
US7319454B2 Two-button mouse input using a stylus Physics 31 Expired
US7120872B2 Organizing, editing, and rendering digital ink Emerging Cross-Sectional Technologies 29 Expired
US6903730B2 In-air gestures for electromagnetic coordinate digitizers Physics 28 Expired
US4276647A High speed Hamming code circuit and method for the correction of error bursts Electricity 25 Expired
US7266769B2 Organizing, editing, and rendering digital ink Emerging Cross-Sectional Technologies 13 Expired
US4103330A Task handling in a data processing apparatus Physics 13 Expired
US7265303B2 Electromagnetic digitizer sensor array Physics 12 Expired
US7418137B2 System and method for accepting disparate types of user input Physics 7 Expired
US5835134A Calibration and merging unit for video adapters Physics 6 Expired
US7322008B2 Organizing, editing, and rendering digital ink Emerging Cross-Sectional Technologies 6 Expired

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