Inventor · Hiratsuka, JP

Kaoru Tomii

29Patents
10h-index
13Co-inventors
72Inventor score

Filing activity: Jul 19, 1974 → Mar 21, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5053673A Field emission cathodes and method of manufacture thereof Electricity 94 Expired
US4900981A Flat-shaped display apparatus Electricity 54 Expired
US5243252A Electron field emission device Electricity 40 Expired
US5170092A Electron-emitting device and process for making the same Electricity 37 Expired
US5160871A Flat configuration image display apparatus and manufacturing method thereof Electricity 33 Expired
US3939486A Cathode ray tube having index strip electrode Electricity 20 Expired
US4694225A Method of driving a flat type of cathode ray tube to provide uniformity of electron beam emission characteristics for a plurality of beam sources Electricity 15 Expired
US4812716A Electron beam scanning display apparatus with cathode vibration suppression Electricity 14 Expired
US4804887A Display device with vibration-preventing plate for line cathodes Electricity 11 Expired
US4626899A Beam scanning device producing a horizontally uniform electron beam Electricity 10 Expired
US4163250A Index tube color television system with deflection rate error correction Electricity 9 Expired
US4622497A Flat type cathode ray tube Electricity 8 Expired
US4980613A Flat CRT display apparatus Electricity 8 Expired
US5068579A Flat configuration color CRT display apparatus with scanning correction for component positioning error Electricity 8 Expired
US4752721A Charged particle beam deflector and flat CRT using the same Electricity 8 Expired
US5202609A Flat configuration image display apparatus Electricity 8 Expired
US5202605A MIM cold-cathode electron emission elements Electricity 7 Expired
US4939413A Flat type cathode ray tube Electricity 7 Expired
US4703231A Flat type image display tube and display device using the same Electricity 6 Expired
US4745344A Flat plate-shaped cathode ray tube Electricity 6 Expired
US4183053A Projection type color television with a single cathode ray tube Electricity 6 Expired
US4973889A Flat configuration cathode ray tube Electricity 5 Expired
US4988913A Flat configuration cathode ray tube Electricity 5 Expired
US4816724A Display device and method of driving the same Electricity 5 Expired
US6680564B2 Field emission type cold cathode structure and electron gun using the cold cathode Electricity 5 Expired

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