Inventor
MAYER EDWARD F
US28 patents
⚠️ This page may combine multiple inventors who share the name “MAYER EDWARD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
19 patentsUS4668071AMay 26, 1987
Character generator using cathode ray tube activated liquid crystal display
RICOH KK7 citations74
US4650311AMar 17, 1987
Compact cleaning system for electrophotographic copying apparatus utilizing electrostatically active belt
RICOH KK10 citations74
US4615580AOct 7, 1986
Fiber optic high speed pulse scanner
RICOH KK7 citations74
US4559509ADec 17, 1985
Electrophotographic copying apparatus including electrically biased transfer station and method
RICOH KK7 citations74
US4521095AJun 4, 1985
Electrophotographic copying apparatus including specific toner fusing roll and its method of use
RICOH KK17 citations74
US4304192ADec 8, 1981
Developer seal
RICOH KK9 citations74
US4776575AOct 11, 1988
Electrophotographic copying apparatus incorporating an automatic adhesive sheet feeding method and apparatus
RICOH KK10 citations73
US4703923ANov 3, 1987
Recirculating automatic document feeder
RICOH KK12 citations73
US4519699AMay 28, 1985
Electrophotographic copying apparatus including toner cleaning arrangement
RICOH KK10 citations73
US4374192AFeb 15, 1983
Carrier coating compositions of butadiene-acrylonitrile rubber and polyurethane
RICOH KK11 citations73
US4331756AMay 25, 1982
Developer compositions with toner, coated carrier and lubricant
RICOH KK10 citations73
US4577955AMar 25, 1986
Electrophotographic copying apparatus including a guillotine cleaner blade arrangement and method of operation
RICOH KK10 citations71
US4361109ANov 30, 1982
Developer crossmixing apparatus
RICOH KK7 citations71
US4553827ANov 19, 1985
Electrophotographic copying apparatus including an enlarged image developing station
RICOH KK4 citations63
US4529295AJul 16, 1985
Electrophotographic copying apparatus including a self-cleaning developing assembly and method
RICOH KK3 citations63
US4416531ANov 22, 1983
Electrophotographic copying apparatus and subsystems therefor
RICOH KK5 citations63
US4400078AAug 23, 1983
Electrophotographic copying apparatus and subsystems therefor
RICOH KK6 citations63
US4384784AMay 24, 1983
Electrophotographic copying apparatus and subsystems therefor
RICOH KK3 citations63
US4427756AJan 24, 1984
Developer crossmixing method
RICOH KK3 citations60
RICOH SYSTEMS INC
4 patentsUS4710442ADec 1, 1987
Gradient layer panchromatic photoreceptor
RICOH SYSTEMS INC23 citations78
US4619450AOct 28, 1986
Copying apparatus with automatic bottom feeder
RICOH SYSTEMS INC11 citations72
US4595933AJun 17, 1986
Ink liquid supply apparatus
RICOH SYSTEMS INC2 citations62
US4572655AFeb 25, 1986
Electrophotographic copying apparatus and method of use including electrostatic toner recycling procedure
RICOH SYSTEMS INC3 citations60