Inventor
YAMANE MASAYUKI
JP92 patents
⚠️ This page may combine multiple inventors who share the name “YAMANE MASAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
23 patentsUS6522855B1Feb 18, 2003
Image forming apparatus and developing apparatus preventing uneven image density
RICOH KK161 citations99
US6337957B1Jan 8, 2002
Image forming apparatus and developing device with improved self toner density control
RICOH KK191 citations99
US7706699B2Apr 27, 2010
Toner container and image forming apparatus
RICOH KK84 citations98
USD599845SSep 8, 2009
Toner cartridge
RICOH KK58 citations98
US7184691B2Feb 27, 2007
Toner container, toner supply device and image forming apparatus
RICOH KK81 citations98
US6198895B1Mar 6, 2001
Developing device with improved developer circulation and toner density control
RICOH KK133 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
US7720417B2May 18, 2010
Toner container and image forming apparatus
RICOH KK36 citations96
US7826777B2Nov 2, 2010
Toner container and image forming apparatus having first and second biasing elements that bias the toner container
RICOH KK26 citations93
USD602519SOct 20, 2009
Toner cartridge
RICOH KK21 citations93
US7574162B2Aug 11, 2009
Toner container, and image forming apparatus
RICOH KK23 citations93
USD591336SApr 28, 2009
Toner cartridge
RICOH KK21 citations93
USD607045SDec 29, 2009
Toner cartridge
RICOH KK19 citations92
USD606583SDec 22, 2009
Toner cartridge holder
RICOH KK22 citations92
USD598949SAug 25, 2009
Toner cartridge holder
RICOH KK17 citations92
US7577379B2Aug 18, 2009
Toner container, toner supply device and image forming apparatus
RICOH KK42 citations92
US6873814B2Mar 29, 2005
Developing device using a two-ingredient type developer and image forming apparatus including the same
RICOH KK36 citations92
US6856774B2Feb 15, 2005
Developing device including magnetic member provided on toner-scattering restraining device and image forming apparatus including the developing device
RICOH KK26 citations92
USD607044SDec 29, 2009
Toner cartridge
RICOH KK10 citations84
USD600275SSep 15, 2009
Toner cartridge
RICOH KK9 citations84
USD596225SJul 14, 2009
Toner cartridge
RICOH KK11 citations84
USD598490SAug 18, 2009
Toner cartridge
RICOH KK7 citations73
RICOH CO LTD
12 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
US7962069B2Jun 14, 2011
Toner container, image forming apparatus, method of recycling toner container
RICOH CO LTD19 citations93
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
US8346105B2Jan 1, 2013
Information storage device, removable device, developer container, and image forming apparatus
RICOH CO LTD15 citations92
USRE47086EOct 16, 2018
Toner container and image forming apparatus
RICOH CO LTD7 citations84
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
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
TAKAHASHI YASUFUMI
3 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
TAGUCHI NOBUYUKI
2 patentsNEC CORP
2 patentsYAMANE MASAYUKI
2 patentsUNIV ROCHESTER
1 patentOOYOSHI HIROBUMI
1 patentOLYMPUS OPTICAL CO
1 patentTOKYO INST TECH
1 patentKASEI OPTNIX LTD
1 patentISHIDA SEISAKUSHO
1 patentShowing the top 50 of 92 patents by PatentIndex Score.