Inventor
KOSUGI HIDEKI
JP54 patents
⚠️ This page may combine multiple inventors who share the name “KOSUGI HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
23 patentsUS6347212B1Feb 12, 2002
Image forming apparatus having improved image carrier cleaning
RICOH KK91 citations98
US6795676B2Sep 21, 2004
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK46 citations96
US6115576ASep 5, 2000
Image forming apparatus using a developing liquid and including an intermediate transfer body
RICOH KK69 citations96
US5923930AJul 13, 1999
Apparatus for controlling density of liquid developing solution and apparatus for forming images
RICOH KK84 citations96
US6721532B2Apr 13, 2004
Fixing device capable of changing smoothness of surface of toner of fixed toner image on sheet and image forming apparatus using said fixing device
RICOH KK36 citations93
US7620336B2Nov 17, 2009
Apparatus and method for fixing an image
RICOH KK21 citations92
US7343126B2Mar 11, 2008
Image forming apparatus including a transfer belt having image forming units disposed thereabout
RICOH KK15 citations92
US7212753B2May 1, 2007
Image forming apparatus and process cartridge
RICOH KK23 citations92
US7203452B2Apr 10, 2007
Tandem image forming device having a side-by-side arrangement of image forming sections
RICOH KK28 citations92
US6757512B2Jun 29, 2004
Tandem image forming device, image forming apparatus and method for using the same
RICOH KK32 citations92
US6947682B2Sep 20, 2005
Image forming apparatus for reducing toner scatter
RICOH KK26 citations91
US7734233B2Jun 8, 2010
Development device, process cartridge, and image forming apparatus
RICOH KK8 citations84
US7693471B2Apr 6, 2010
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK9 citations84
US7693466B2Apr 6, 2010
Method for arranging image forming sections
RICOH KK11 citations84
US7412190B2Aug 12, 2008
Developing apparatus, process cartridge, and image forming apparatus
RICOH KK14 citations84
US7155152B2Dec 26, 2006
Method of image transfer, method of and apparatus for image forming
RICOH KK16 citations83
US7346305B2Mar 18, 2008
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK6 citations74
US7224928B2May 29, 2007
Sheet wrapping avoidable fixing apparatus and image forming apparatus
RICOH KK6 citations74
US7783235B2Aug 24, 2010
Hopping toner development apparatus and image formation apparatus
RICOH KK5 citations63
US7725056B2May 25, 2010
Triboelectric charging device and field assisted toner transporter
RICOH KK2 citations63
US7613419B2Nov 3, 2009
Image forming apparatus and image forming method characterized by a particular nip time
RICOH KK4 citations63
US7724394B2May 25, 2010
Image forming apparatus and image forming method using pseudo half tone processing with different resolutions
RICOH KK5 citations62
US7702265B2Apr 20, 2010
Developing unit and image forming apparatus
RICOH KK1 citations52
RICOH CO LTD
7 patentsUS8374531B2Feb 12, 2013
Developer bearing member and developing device with outer electrode including separated portions, and inner electrode for creating electric field
RICOH CO LTD3 citations63
US8355657B2Jan 15, 2013
Development unit, for image forming apparatus
RICOH CO LTD2 citations63
US8005409B2Aug 23, 2011
Development device
RICOH CO LTD3 citations63
US7907856B2Mar 15, 2011
Development apparatus and image forming apparatus using toner carrier with a plurality of electrodes
RICOH CO LTD3 citations63
US8041267B2Oct 18, 2011
Developing device, process cartridge, and image forming apparatus
RICOH CO LTD0 citations52
US7912410B2Mar 22, 2011
Developing device, a process cartridge and an image forming apparatus including a toner carrier and a voltage supply
RICOH CO LTD0 citations52
US7920812B2Apr 5, 2011
Development device and image forming apparatus that uses this device
RICOH CO LTD0 citations42
KIKUCHI TEPPEI
4 patentsUS9471009B2Oct 18, 2016
Developer container, developer replenisher, and image forming apparatus
KIKUCHI TEPPEI8 citations83
US9400450B2Jul 26, 2016
Toner cartridge and image forming apparatus incorporating same
KIKUCHI TEPPEI4 citations71
US9146501B2Sep 29, 2015
Toner cartridge and image forming apparatus incorporating same
KIKUCHI TEPPEI2 citations61
US9581936B2Feb 28, 2017
Developing device and image forming apparatus including a contact member which is elastically deformed
KIKUCHI TEPPEI0 citations39
NODERA KENTARO
4 patentsNAKAGAWA YOSHINORI
2 patentsFUJIMORI AKIRA
2 patentsHIROTA TETSURO
2 patentsKADOTA ICHIRO
1 patentISHII YASUYUKI
1 patentYURA JUN
1 patentSEKI HIDEYASU
1 patentKIKUCHI HISASHI
1 patentTAKAHASHI TOMOKO
1 patentShowing the top 50 of 54 patents by PatentIndex Score.