Inventor · Waterloo, ON, CA

Ralf M. Brooks

15Patents
12h-index
13Co-inventors
71Inventor score

Filing activity: Nov 12, 1981 → Jun 19, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5754673A Document image processing system including a first document path for the automated processing of documents and a second document path for the processing of documents requiring operator correction Physics 155 Expired
US4555617A Concurrent, image-based, reject-re-entry repair system and method Physics 69 Expired
US4595935A System for detecting defective thermal printhead elements Performing Operations; Transporting 58 Expired
US4573058A Closed loop thermal printer for maintaining constant printing energy Performing Operations; Transporting 38 Expired
US4712113A Thermal transfer ribbon mechanism and recording method Performing Operations; Transporting 33 Expired
US4731524A Real time item processing apparatus using a thermal encoder Physics 25 Expired
US4394092A Method and apparatus for high speed thermal printing Performing Operations; Transporting 24 Expired
US4818126A Method and apparatus for thermally printing data in special fonts on documents like checks Performing Operations; Transporting 24 Expired
US4960336A Apparatus and method for calibrating printing at a specified distance from a document edge Performing Operations; Transporting 16 Expired
US4797837A Method and apparatus for thermal printer temperature control Performing Operations; Transporting 14 Expired
US4625216A Thermal printhead life extension technique Performing Operations; Transporting 14 Expired
US4758966A Thermal printing apparatus and method Electricity 13 Expired
US4783667A Printing of angled and curved lines using thermal dot matrix printer Physics 11 Expired
US4815726A Quick release document transport apparatus Performing Operations; Transporting 10 Expired
US4433902A Projection printer Performing Operations; Transporting 0 Expired

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