Inventor
ISHIKAWA TOMOJI
JP42 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA TOMOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
30 patentsUS7072602B2Jul 4, 2006
Image forming apparatus and image forming unit
RICOH KK122 citations99
US6336020B1Jan 1, 2002
Image forming apparatus having an improved developer-supplying mechanism and method thereof
RICOH KK86 citations98
US6104900AAug 15, 2000
Image forming apparatus having an improved developer-supplying mechanism and method thereof
RICOH KK97 citations98
US5565973AOct 15, 1996
Rotary developing device for an image forming apparatus
RICOH KK106 citations97
US7162189B2Jan 9, 2007
Method and apparatus of image forming and process cartridge included in the apparatus
RICOH KK53 citations96
US6122469ASep 19, 2000
Image forming apparatus including a preventing mechanism for preventing a developing unit from rotating
RICOH KK72 citations96
US6072967AJun 6, 2000
PC drum integrated revolving type developing unit with pull-out supporter
RICOH KK51 citations96
US6070037AMay 30, 2000
Image forming apparatus having improved developer limiting member
RICOH KK71 citations96
US5991569ANov 23, 1999
PC drum integrated revolving type developing unit with pull-out supporter
RICOH KK67 citations96
US5826146AOct 20, 1998
Color image forming device which changes developing bias when switching between developer units
RICOH KK49 citations96
US5768664AJun 16, 1998
Toner container for a rotary developing device
RICOH KK54 citations96
US5765059AJun 9, 1998
Developing device for image forming apparatus and toner container therefor
RICOH KK78 citations96
US5758235AMay 26, 1998
Toner container for a rotary developing device
RICOH KK63 citations96
US5671470ASep 23, 1997
Color image forming device which changes developing bias when switching between developer units
RICOH KK53 citations96
US5416568AMay 16, 1995
Developing unit for an image forming apparatus
RICOH KK67 citations96
US5235384AAug 10, 1993
Image forming apparatus with replaceable process units
RICOH KK72 citations96
US5109254AApr 28, 1992
Developing apparatus
RICOH KK101 citations96
US7146122B2Dec 5, 2006
Image forming apparatus and image forming unit
RICOH KK15 citations93
US7062207B2Jun 13, 2006
Powder transport apparatus and image forming apparatus that can stabilize replenishment of powder
RICOH KK26 citations93
US6256459B1Jul 3, 2001
Developing apparatus and image forming apparatus using the same developing apparatus and method of determining end-of-toner condition
RICOH KK51 citations93
US5956549ASep 21, 1999
Rotary developing device for an image forming apparatus
RICOH KK19 citations93
US5940664AAug 17, 1999
Agitation and charging device for an image forming apparatus
RICOH KK24 citations93
US5850586ADec 15, 1998
Rotary developing device for an image forming apparatus
RICOH KK21 citations93
US5787328AJul 28, 1998
Rotary developing device for an image forming apparatus
RICOH KK33 citations93
US5761576AJun 2, 1998
Image forming apparatus for supplying power to members of a rotary developing device
RICOH KK26 citations93
US5646721AJul 8, 1997
Image forming apparatus for supplying power to members of a rotary developing device
RICOH KK34 citations93
US5617198AApr 1, 1997
Image forming apparatus having rotary developing device
RICOH KK34 citations93
US5552877ASep 3, 1996
Image forming apparatus with controlled drive for accurately positioning developing sections of a rotary developing device
RICOH KK45 citations93
US7136610B2Nov 14, 2006
Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itself
RICOH KK38 citations92
US7486916B2Feb 3, 2009
Method and apparatus of image forming and process cartridge included in the apparatus
RICOH KK6 citations74
MITSUISHI KAORI
5 patentsUS8532542B2Sep 10, 2013
Toner container and manufacturing method for toner container
MITSUISHI KAORI21 citations92
US8311447B2Nov 13, 2012
Toner container and manufacturing method for toner container
MITSUISHI KAORI24 citations92
US9213261B2Dec 15, 2015
Toner container and manufacturing method for toner container
MITSUISHI KAORI4 citations83
US9529303B2Dec 27, 2016
Toner container and manufacturing method for toner container
MITSUISHI KAORI2 citations62
US9436127B2Sep 6, 2016
Toner container and manufacturing method for toner container
MITSUISHI KAORI2 citations62
TOYOTA MOTOR CO LTD
5 patentsUS6554590B2Apr 29, 2003
High pressure pump
TOYOTA MOTOR CO LTD33 citations92
US7114928B2Oct 3, 2006
High-pressure fuel pump and assembly structure of high-pressure pump
TOYOTA MOTOR CO LTD15 citations84
US6070811AJun 6, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD18 citations84
US6105883AAug 22, 2000
Fuel injector for an internal combustion engine
TOYOTA MOTOR CO LTD14 citations73
US6910644B2Jun 28, 2005
Solenoid-operated fuel injection valve
TOYOTA MOTOR CO LTD4 citations62