Inventor · Lake Oswego, OR, US

Burt Perry

31Patents
24h-index
22Co-inventors
81Inventor score

Filing activity: Sep 30, 1994 → Dec 22, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US5818441A System and method for simulating two-way connectivity for one way data streams Electricity 604 Expired
US5541662A Content programmer control of video and data display using associated data Electricity 442 Expired
US6389151B1 Printing and validation of self validating security documents Electricity 227 Expired
US6522770B1 Management of documents and other objects using optical devices Physics 219 Expired
US6788800B1 Authenticating objects using embedded data Electricity 199 Expired
US6917724B2 Methods for opening file on computer via optical sensing Physics 199 Expired
US6823075B2 Authentication watermarks for printed objects and related applications Electricity 173 Expired
US6694043B2 Method of monitoring print data for text associated with a hyperlink Physics 163 Expired
US6108042A Method and system for configuring a display Electricity 147 Expired
US6694042B2 Methods for determining contents of media Physics 138 Expired
US7261612B1 Methods and systems for read-aloud books Human Necessities 126 Expired
US5933835A Method and apparatus for managing multimedia data files in a computer network by streaming data files into separate streams based on file attributes Emerging Cross-Sectional Technologies 122 Expired
US5737495A Method and apparatus for managing multimedia data files in a computer network by streaming data files into separate streams based on file attributes Emerging Cross-Sectional Technologies 114 Expired
US6970573B2 Self validating security documents utilizing watermarks Electricity 107 Expired
US5760838A Method and system for configuring a display Electricity 99 Expired
US8059815B2 Transforming data files into logical storage units for auxiliary data through reversible watermarks Electricity 81 Active
US6195501A Computer control of a video cassette recorder using wireless communication and a vertical blanking interval triggering Electricity 68 Expired
US7770013B2 Digital authentication with digital and analog documents Electricity 65 Expired
US7639837B2 Identification documents and authentication of such documents Electricity 57 Active
US6549638B2 Methods for evidencing illicit use of a computer system or device Physics 57 Expired
US7269275B2 Physical objects and validation of physical objects Electricity 57 Expired
US6209132A Host apparatus for simulating two way connectivity for one way data streams Electricity 54 Expired
US6072521A Hand held apparatus for simulating two way connectivity for one way data streams Electricity 51 Expired
US6674886B2 Method and system for recognizing security documents Physics 38 Expired
US7570781B2 Embedded data in gaming objects for authentication and association of behavior information Electricity 20 Active

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