Inventor
KOINUMA NOBUYUKI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “KOINUMA NOBUYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
8 patentsUS5105284AApr 14, 1992
Digital copier operable with external storing medium
RICOH KK51 citations96
US5016114AMay 14, 1991
Digital copier apparatus with external laser card storage medium and image compression variable with available memory
RICOH KK73 citations96
US5270783ADec 14, 1993
Image forming equipment having improved toner sensing
RICOH KK66 citations95
US5003354AMar 26, 1991
Method of removing a film from an image carrier of an image forming apparatus
RICOH KK30 citations91
US4975748ADec 4, 1990
Method of removing a film from an image carrier
RICOH KK40 citations91
US7817953B2Oct 19, 2010
Image recording medium, sheet feeding device, and image forming apparatus
RICOH KK11 citations84
US4670322AJun 2, 1987
Metal oxide magnetic substance and a magnetic film consisting thereof and their uses
RICOH KK11 citations73
US4670323AJun 2, 1987
Magneto-optic recording medium having a metal oxide recording layer
RICOH KK12 citations73
RICOH CO LTD
8 patentsUS8023877B2Sep 20, 2011
Image forming apparatus capable of forming glossy color image
RICOH CO LTD5 citations62
US8010005B2Aug 30, 2011
Image forming apparatus
RICOH CO LTD4 citations62
US7997320B2Aug 16, 2011
Sheet cutter and image forming apparatus including the sheet cutter
RICOH CO LTD3 citations62
US7883089B2Feb 8, 2011
Image forming apparatus
RICOH CO LTD3 citations62
US7869723B2Jan 11, 2011
Image forming apparatus capable of forming glossy color image
RICOH CO LTD5 citations62
US7865121B2Jan 4, 2011
Image forming apparatus and recording medium
RICOH CO LTD2 citations62
US7960084B2Jun 14, 2011
Method of preparing information recording medium
RICOH CO LTD0 citations51
US7909081B2Mar 22, 2011
Sheet laminator, image forming apparatus, and sheet laminating method
RICOH CO LTD1 citations51
YOSHIDA RYUJI
4 patentsUS8320799B2Nov 27, 2012
Recycling image forming apparatus
YOSHIDA RYUJI4 citations62
US8818255B2Aug 26, 2014
Image forming apparatus with fixing liquid applicator
YOSHIDA RYUJI0 citations50
US8774694B2Jul 8, 2014
Image forming apparatus including sealed fixing liquid applying section
YOSHIDA RYUJI0 citations40
US8761651B2Jun 24, 2014
Image forming apparatus
YOSHIDA RYUJI0 citations40