Inventor
UMEZAWA MICHIO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “UMEZAWA MICHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
14 patentsUS5818482AOct 6, 1998
Ink jet printing head
RICOH KK134 citations96
US4660825AApr 28, 1987
Sheet clamping device
RICOH KK59 citations95
US5754202AMay 19, 1998
Ink jet recording apparatus
RICOH KK77 citations94
US4834533AMay 30, 1989
Measuring the refractive index of liquid
RICOH KK36 citations92
US4626874ADec 2, 1986
Liquid level detector for ink jet printer
RICOH KK44 citations92
US4524365AJun 18, 1985
Receptacle for waste ink collection in ink jet recording apparatus
RICOH KK48 citations92
US4739347AApr 19, 1988
Ink supply system for use in an ink-jet printer
RICOH KK20 citations81
US4420150ADec 13, 1983
Apparatus and method for separating a single sheet from a stack and conveying it
RICOH KK25 citations81
US7710620B2May 4, 2010
Image processing method, recorded matter, storage medium, image processing apparatus, image forming method, image forming apparatus, image forming system, and ink
RICOH KK7 citations73
US4451169AMay 29, 1984
Paper loading apparatus
RICOH KK10 citations73
US4449135AMay 15, 1984
Ink ejection head
RICOH KK10 citations73
US4388627AJun 14, 1983
Ink-jet printing head
RICOH KK16 citations73
US4369964AJan 25, 1983
Sheet feed apparatus for printer or the like
RICOH KK12 citations73
US4429317AJan 31, 1984
Ink ejection head
RICOH KK12 citations71