Inventor
MATSUMOTO FUYUHIKO
JP15 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO FUYUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
14 patentsUS5105291AApr 14, 1992
Liquid crystal display cell with electrodes of substantially amorphous metal oxide having low resistivity
RICOH KK67 citations95
US4793691ADec 27, 1988
Liquid crystal color display device
RICOH KK53 citations92
US4351604ASep 28, 1982
Multi-color electrostatic copying apparatus
RICOH KK40 citations91
US4308821AJan 5, 1982
Electrophotographic development apparatus
RICOH KK49 citations91
US4673284AJun 16, 1987
Cleaning device
RICOH KK25 citations86
US4268157AMay 19, 1981
Toner image transfer method and apparatus for electrostatic photography
RICOH KK28 citations82
US4818074AApr 4, 1989
Projection device for irradiating a light to a display device and optically magnifying and projecting a reflection light therefrom
RICOH KK19 citations81
US5595852AJan 21, 1997
Organosilicon compound, producing method thereof and toner and dry-type developer using the same
RICOH KK14 citations73
US4413899ANov 8, 1983
Copying method and apparatus
RICOH KK14 citations73
US4443095AApr 17, 1984
Image transfer and sheet separation apparatus for electrophotographic system
RICOH KK11 citations72
US4389113AJun 21, 1983
Improved developing device for two-color electrophotographic copying apparatus
RICOH KK15 citations72
US4183032AJan 8, 1980
Electrostatic recording medium with elongated conductive segments
RICOH KK10 citations68
US4322734AMar 30, 1982
Variable speed electrostatographic apparatus
RICOH KK6 citations62
US4180318ADec 25, 1979
Multi-copying method and multi-copying apparatus
RICOH KK4 citations62