Inventor
ISHIBASHI MIKIO
JP21 patents
⚠️ This page may combine multiple inventors who share the name “ISHIBASHI MIKIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH CO LTD
7 patentsUS7856189B2Dec 21, 2010
Image forming apparatus and a method of effectively detecting toner state in the same
RICOH CO LTD14 citations83
US8023877B2Sep 20, 2011
Image forming apparatus capable of forming glossy color image
RICOH CO LTD5 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
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
RICOH KK
5 patentsUS6337957B1Jan 8, 2002
Image forming apparatus and developing device with improved self toner density control
RICOH KK191 citations99
US7817953B2Oct 19, 2010
Image recording medium, sheet feeding device, and image forming apparatus
RICOH KK11 citations84
US7177555B2Feb 13, 2007
Image forming process and image forming apparatus
RICOH KK18 citations84
US7389060B2Jun 17, 2008
Image forming apparatus for controlling variation of image density and toner concentration
RICOH KK10 citations83
US6763216B2Jul 13, 2004
Developing device and image forming apparatus including the same
RICOH KK6 citations62
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
TAKAHASHI TOMOKO
2 patentsUS8909112B2Dec 9, 2014
Image forming apparatus having support members with predetermined electric potentials
TAKAHASHI TOMOKO0 citations40
US9316950B2Apr 19, 2016
Development device, process cartridge, image forming apparatus incorporating same, and developer amount adjustment method therefor
TAKAHASHI TOMOKO0 citations39