Inventor
KATSUYAMA GORO
JP95 patents
⚠️ This page may combine multiple inventors who share the name “KATSUYAMA GORO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
35 patentsUS7277664B2Oct 2, 2007
Image forming device, powder feeding device, toner storage container, powder storage container, and method of recycling the containers
RICOH KK104 citations99
US6507720B2Jan 14, 2003
Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor
RICOH KK209 citations99
US7706699B2Apr 27, 2010
Toner container and image forming apparatus
RICOH KK84 citations98
US7603054B2Oct 13, 2009
Image forming apparatus, powder supplying unit, toner container, powder container, and method of recycling the powder container
RICOH KK57 citations98
US7593674B2Sep 22, 2009
Body member of a powder container
RICOH KK60 citations98
US7536139B2May 19, 2009
Powder container for use in an image forming apparatus having an opening which faces horizontally
RICOH KK60 citations98
US7221891B2May 22, 2007
Body member of a powder container
RICOH KK90 citations98
US6848685B2Feb 1, 2005
Printer
RICOH KK140 citations98
US7822371B2Oct 26, 2010
Toner container and image forming apparatus
RICOH KK77 citations97
US7702262B2Apr 20, 2010
Toner container including a container body with a gripper at the end thereof, and associated method
RICOH KK67 citations97
US6690901B2Feb 10, 2004
Image forming apparatus
RICOH KK85 citations97
US7720417B2May 18, 2010
Toner container and image forming apparatus
RICOH KK36 citations96
US7515855B2Apr 7, 2009
Powder container having a lower part with a trapezoid-shaped cross-section
RICOH KK43 citations96
US7469981B2Dec 30, 2008
Compact front-operable image forming apparatus
RICOH KK49 citations96
US6304739B1Oct 16, 2001
Toner container and image forming apparatus using the same
RICOH KK74 citations95
US7826777B2Nov 2, 2010
Toner container and image forming apparatus having first and second biasing elements that bias the toner container
RICOH KK26 citations93
US7406278B2Jul 29, 2008
Powder container having a lower section with multiple parts which rotatably engage with each other
RICOH KK16 citations93
US7257348B2Aug 14, 2007
Body member of a powder container
RICOH KK29 citations93
USD519833SMay 2, 2006
Package for a toner cartridge
RICOH KK18 citations93
US6785488B2Aug 31, 2004
Image formation method, image formation apparatus, computer program, and storage medium
RICOH KK37 citations93
US6532352B2Mar 11, 2003
Powder container and image forming apparatus using same
RICOH KK22 citations93
US6519436B2Feb 11, 2003
Toner powder container for storing toner applicable to an electrographic image forming apparatus, a method at assembling the same, and a method of reducing the volume of the same
RICOH KK38 citations93
US7747202B2Jun 29, 2010
Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus
RICOH KK12 citations92
US7720416B2May 18, 2010
Method and toner bottle for image forming apparatus capable of effectively supplying toner to image forming apparatus
RICOH KK26 citations92
US7389071B2Jun 17, 2008
Apparatuses for image forming capable of effectively conveying developer therefrom and a method of effectively forming a reinforcing member adhering to the apparatuses
RICOH KK32 citations92
US7302204B2Nov 27, 2007
Image forming apparatus
RICOH KK18 citations92
US6648218B2Nov 18, 2003
Powder container, method of assembling the same and image forming apparatus
RICOH KK37 citations92
US6549744B2Apr 15, 2003
Powder container for an image forming apparatus and powder discharging device
RICOH KK48 citations92
USD458298SJun 4, 2002
Digital color copying machine
RICOH KK32 citations92
US7620349B2Nov 17, 2009
Agent containing unit having improved usability, agent refill unit, and image forming apparatus
RICOH KK11 citations84
USD567078SApr 22, 2008
Package for a toner cartridge
RICOH KK13 citations84
USD562679SFeb 26, 2008
Package for a toner cartridge
RICOH KK15 citations84
USD560493SJan 29, 2008
Package for a toner cartridge
RICOH KK13 citations84
US7275808B2Oct 2, 2007
Ink cartridge and ink jet printer
RICOH KK15 citations84
US7108338B2Sep 19, 2006
Multi-purpose storage table
RICOH KK16 citations84
RICOH CO LTD
7 patentsUS7991334B2Aug 2, 2011
Toner container and image forming apparatus
RICOH CO LTD52 citations97
US7853184B2Dec 14, 2010
Toner container and image forming apparatus
RICOH CO LTD62 citations97
US7853183B2Dec 14, 2010
Toner container and image forming apparatus
RICOH CO LTD13 citations93
US7835675B2Nov 16, 2010
Toner container and image forming apparatus
RICOH CO LTD17 citations93
US7840167B2Nov 23, 2010
Toner container including a gear which is at least partially exposed to an exterior
RICOH CO LTD11 citations92
USRE47086EOct 16, 2018
Toner container and image forming apparatus
RICOH CO LTD7 citations84
US8054483B2Nov 8, 2011
Image reading system, electronic paper used in the image reading system, and image reading method for handling the electronic paper in the image reading system
RICOH CO LTD9 citations84
KATSUYAMA GORO
5 patentsUS9089064B2Jul 21, 2015
Operating section structure, image processing apparatus, and information processing apparatus
KATSUYAMA GORO19 citations88
USD727413SApr 21, 2015
Printer
KATSUYAMA GORO10 citations84
US8485653B2Jul 16, 2013
Compact front-operable image forming apparatus
KATSUYAMA GORO10 citations84
US8264752B2Sep 11, 2012
Image reading system and program for reading electronic paper, and image forming apparatus including the image reading system
KATSUYAMA GORO19 citations84
US8125655B2Feb 28, 2012
Reading device, image forming apparatus, electronic paper, and computer program product
KATSUYAMA GORO7 citations84
TAGUCHI NOBUYUKI
2 patentsHAMAMURA TOSHIHIRO
1 patentShowing the top 50 of 95 patents by PatentIndex Score.