Inventor
UCHITANI TAKESHI
JP118 patents
⚠️ This page may combine multiple inventors who share the name “UCHITANI TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
18 patentsUS7266324B2Sep 4, 2007
Charging device, and process cartridge and image forming apparatus using the charging device
RICOH KK18 citations93
US7139504B2Nov 21, 2006
Charging device, and process cartridge and image forming apparatus using the charging device
RICOH KK24 citations93
US7050741B2May 23, 2006
Imaging apparatus, and toner and process cartridge used in the imaging apparatus
RICOH KK20 citations93
US7672605B2Mar 2, 2010
Transfer device and image forming apparatus
RICOH KK22 citations92
US7630659B2Dec 8, 2009
Method and apparatus for image forming capable of effectively performing a charging process
RICOH KK23 citations92
US7272354B2Sep 18, 2007
Cleaning unit and image forming apparatus having multiple cleaning blades
RICOH KK27 citations92
US7228099B2Jun 5, 2007
Cleaning device for cleaning a surface of an image support body
RICOH KK21 citations92
US7149465B2Dec 12, 2006
Cleaning unit, process cartridge, image forming apparatus, and toner
RICOH KK26 citations92
US7110696B2Sep 19, 2006
Cleaning unit, process cartridge, and image forming apparatus
RICOH KK27 citations92
US7062194B2Jun 13, 2006
Charging device, and process cartridge and image forming apparatus including the charging device
RICOH KK31 citations92
US7430377B2Sep 30, 2008
Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereon
RICOH KK12 citations84
US7333744B2Feb 19, 2008
Image forming apparatus that charges a photosensitive member by superimposing an alternate current bias voltage on a direct current bias voltage as the charge bias voltage
RICOH KK11 citations84
US7295796B1Nov 13, 2007
Image forming apparatus having a temporary toner holding device and a toner collecting device
RICOH KK14 citations84
US7218877B2May 15, 2007
Charging device, and process cartridge and image forming apparatus including the charging device using the same
RICOH KK12 citations84
US7493075B2Feb 17, 2009
Cleaning device, process cartridge and image forming apparatus
RICOH KK13 citations83
US7386257B2Jun 10, 2008
Imaging apparatus, and toner and process cartridge used in the imaging apparatus
RICOH KK7 citations74
US7130564B2Oct 31, 2006
Method and apparatus for image forming capable of removing residual toner without using a toner cleaning system, process cartridge for use in the apparatus and toner used for the image forming
RICOH KK8 citations74
US7065316B2Jun 20, 2006
Cleaning unit, process cartridge, image forming apparatus, and toner
RICOH KK10 citations74
RICOH CO LTD
15 patentsUS8346105B2Jan 1, 2013
Information storage device, removable device, developer container, and image forming apparatus
RICOH CO LTD15 citations92
US7925188B2Apr 12, 2011
Development device, process cartridge, and image forming apparatus using the development device
RICOH CO LTD20 citations91
US12416878B2Sep 16, 2025
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11768448B2Sep 26, 2023
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11429036B2Aug 30, 2022
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11353812B2Jun 7, 2022
Fixing device and image forming apparatus
RICOH CO LTD1 citations73
US11275327B2Mar 15, 2022
Information storage system including a plurality of terminals
RICOH CO LTD0 citations73
US11188007B2Nov 30, 2021
Developer container which discharges toner from a lower side and includes a box section
RICOH CO LTD0 citations73
US11003119B2May 11, 2021
Fixing device and image forming apparatus
RICOH CO LTD1 citations73
US10935911B2Mar 2, 2021
Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same
RICOH CO LTD1 citations73
US10551777B2Feb 4, 2020
Fixing device and image forming apparatus
RICOH CO LTD1 citations73
US10209654B2Feb 19, 2019
Fixing device and image forming apparatus
RICOH CO LTD1 citations73
US9026024B2May 5, 2015
Fixing device capable of minimizing damage of endless rotary body and image forming apparatus incorporating same
RICOH CO LTD5 citations73
US10754275B2Aug 25, 2020
Apparatus and method for preventing an information storage device from falling from a removable device
RICOH CO LTD0 citations63
US10725398B2Jul 28, 2020
Developer container having a cap with three portions of different diameters
RICOH CO LTD0 citations63
TAKAHASHI YASUFUMI
5 patentsUS9081327B2Jul 14, 2015
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI9 citations92
US9069287B2Jun 30, 2015
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI4 citations84
US8909071B2Dec 9, 2014
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI4 citations84
US9989887B2Jun 5, 2018
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI0 citations63
US9599927B2Mar 21, 2017
Apparatus and method for preventing an information storage device from falling from a removable device
TAKAHASHI YASUFUMI0 citations63
HASE TAKAMASA
3 patentsSESHITA TAKUYA
2 patentsKAWATA TEPPEI
2 patentsUS9811031B2Nov 7, 2017
Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same
KAWATA TEPPEI4 citations83
US8886101B2Nov 11, 2014
Fixing device capable of enhancing durability of endless belt and image forming apparatus incorporating the same
KAWATA TEPPEI7 citations83
SAITO KAZUYA
1 patentSUGANUMA TAKUYA
1 patentOGAWA TADASHI
1 patentISHII KENJI
1 patentYAMANE MASAYUKI
1 patentShowing the top 50 of 118 patents by PatentIndex Score.