Inventor
FUJIWARA HIDEHIKO
JP42 patents
⚠️ This page may combine multiple inventors who share the name “FUJIWARA HIDEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
11 patentsUS6801744B2Oct 5, 2004
Image fixing device and image forming device having low friction and low abrasion characteristics
RICOH KK20 citations92
US6788916B2Sep 7, 2004
Fixing device and image forming device
RICOH KK16 citations92
US6731902B2May 4, 2004
Fixing device and image forming device
RICOH KK22 citations92
US6151466ANov 21, 2000
Fixing device including vented chamber-like area
RICOH KK42 citations92
US5058877AOct 22, 1991
Automatic cut-sheet feeding apparatus
RICOH KK30 citations91
US6542712B2Apr 1, 2003
Method and apparatus for toner image fixing using a sheet-shaped pressing member
RICOH KK31 citations89
US7013108B2Mar 14, 2006
Fixing device and image forming device
RICOH KK14 citations83
US6907218B2Jun 14, 2005
Image forming device and communication device
RICOH KK17 citations83
US6731900B2May 4, 2004
Fixing and image forming devices comprising thin heated sheets
RICOH KK16 citations83
US6658222B2Dec 2, 2003
Method and apparatus for image forming capable of effectively performing a fixing process
RICOH KK12 citations72
US7722031B2May 25, 2010
Image forming apparatus including a sheet feed cassette capable of effectively transporting a sheet recording medium
RICOH KK1 citations52
RICOH CO LTD
5 patentsUS8346106B2Jan 1, 2013
Fixing device and image forming apparatus using same having a second heater outside the recording medium passing area
RICOH CO LTD8 citations84
US7962082B2Jun 14, 2011
Fixing device, image forming apparatus, and fixing method having an expanding/contracting contacting member
RICOH CO LTD10 citations84
US7907869B2Mar 15, 2011
Charging brush unit, charging device, and image forming apparatus
RICOH CO LTD2 citations62
US10513404B2Dec 24, 2019
Sheet-material supply device
RICOH CO LTD1 citations60
US8014713B2Sep 6, 2011
Fixing device and image forming apparatus
RICOH CO LTD0 citations51
TAKAHASHI WATARU
4 patentsUS9725276B2Aug 8, 2017
Sheet processing device incuding a stacked-sheet-count limiting unit configured to limit the number of sheets holdable in the sheet tray and image forming system
TAKAHASHI WATARU7 citations84
US9440478B2Sep 13, 2016
Paper binding device, paper processing apparatus, image forming apparatus, and image forming system
TAKAHASHI WATARU16 citations84
US10562733B2Feb 18, 2020
Sheet processing device including a staple binding unit and a stapleless binding unit and image forming system
TAKAHASHI WATARU2 citations73
US10807827B2Oct 20, 2020
Stack limiting unit for sheet processing device
TAKAHASHI WATARU0 citations52
NEC INFRONTIA CORP
4 patentsUS7567539B2Jul 28, 2009
Wireless LAN system, communication terminal, LAN control apparatus and QoS control method
NEC INFRONTIA CORP9 citations84
US7215968B2May 8, 2007
Positional information tracking and forwarding method for conducting optimal forward destination control in conformity to actual situations of user
NEC INFRONTIA CORP14 citations84
US7643479B2Jan 5, 2010
Communication transfer apparatus and communication transfer method
NEC INFRONTIA CORP4 citations63
US7590103B2Sep 15, 2009
Adaptor serving for both mobile phone unit and private IP phone unit
NEC INFRONTIA CORP6 citations63
FUJIWARA HIDEHIKO
3 patentsUS8428498B2Apr 23, 2013
Fixing device and image forming apparatus including same
FUJIWARA HIDEHIKO11 citations82
US8644307B2Feb 4, 2014
Communication transfer apparatus and communication transfer method
FUJIWARA HIDEHIKO0 citations50
US8326167B2Dec 4, 2012
Fixing device and image forming apparatus capable of improving fixing efficiency and suppressing overheating
FUJIWARA HIDEHIKO0 citations50