Inventor · Yokohama, JP

Tomohiko Beppu

15Patents
9h-index
24Co-inventors
68Inventor score

Filing activity: Apr 27, 1999 → Jan 14, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US7489415B2 Document processing system Physics 63 Active
US6651894B2 Imaging method, imaging apparatus, and image information management system Physics 41 Expired
US6518960B2 Electronic blackboard system Physics 29 Expired
US7098898B2 Information recording medium and information processing apparatus Physics 26 Expired
US6677273B2 Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material Emerging Cross-Sectional Technologies 17 Expired
US6432518B1 Erasable recording material capable of inputting additional information written thereon and information recording system and information recording method using the recording material Emerging Cross-Sectional Technologies 13 Expired
US7787712B2 Electronic document creating apparatus Physics 13 Active
US6935565B2 Imaging method, imaging apparatus, and image information management system Physics 11 Expired
US6959866B2 2-Dimensional code pattern, 2-dimensional code pattern supporting medium, 2-dimensional code pattern generating method, and 2-dimensional code reading apparatus and method Physics 10 Expired
US6974917B2 Information recording medium and information processing apparatus Physics 7 Expired
USD510090S1 Bar code reader General 7 Expired
US7982141B2 Coordinate detecting device, writing instrument, and coordinate inputting system Physics 5 Active
US7712664B2 2-dimensional code pattern, 2-dimensional code pattern supporting medium, 2-dimensional code pattern generating method, and 2-dimensional code reading apparatus and method Physics 3 Active
US7505160B2 Paper identification information management system Electricity 1 Expired
US7973960B2 Document processing system Physics 0 Active

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