Inventor
TANAKA TOMOAKI
JP66 patents
⚠️ This page may combine multiple inventors who share the name “TANAKA TOMOAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FUJI XEROX CO LTD
15 patentsUS6704538B2Mar 9, 2004
Color image forming apparatus and color toner
FUJI XEROX CO LTD16 citations84
US6641965B2Nov 4, 2003
Color toner for electrophotography, and a combined set of color toners for electrophotography using the same, color developing agent for electrophotography using the same, method for forming color images using the same, and device for forming color images using the same
FUJI XEROX CO LTD13 citations84
US10254667B2Apr 9, 2019
Electrostatic charge image developing toner set, electrostatic charge image developer set, and toner cartridge set
FUJI XEROX CO LTD7 citations83
US7416826B2Aug 26, 2008
Color toner for electrophotography and color toner set for electrophotography using the same, color developer for electrophotography, method for forming color image, and apparatus for forming color image
FUJI XEROX CO LTD7 citations74
US7316879B2Jan 8, 2008
Imaging color toner, color image forming method and color image forming apparatus
FUJI XEROX CO LTD8 citations73
US10670983B2Jun 2, 2020
Toner set, white toner, and electrostatic charge image developer
FUJI XEROX CO LTD2 citations72
US9477166B2Oct 25, 2016
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD3 citations72
US9304423B2Apr 5, 2016
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, and process cartridge
FUJI XEROX CO LTD3 citations72
US7252914B2Aug 7, 2007
Toner for electrophotography and developer for electrophotography using the same, process cartridge, apparatus for forming image, and method for forming image
FUJI XEROX CO LTD3 citations62
US6821696B2Nov 23, 2004
Toner for optical fixing, manufacturing method therefor and image formation apparatus using it
FUJI XEROX CO LTD2 citations62
US6746808B2Jun 8, 2004
Image forming color toner, color image forming method and color image forming apparatus
FUJI XEROX CO LTD6 citations62
US10324389B2Jun 18, 2019
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD0 citations51
US9529292B2Dec 27, 2016
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD0 citations51
US9304419B2Apr 5, 2016
Electrostatic charge image developing toner, electrostatic charge image developer, toner cartridge, and process cartridge
FUJI XEROX CO LTD0 citations51
US9470994B2Oct 18, 2016
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJI XEROX CO LTD1 citations50
FUJITSU LTD
8 patentsUS5933690AAug 3, 1999
Toner recovery device
FUJITSU LTD57 citations95
US6485876B1Nov 26, 2002
Non-magnetic one-component developer and developing apparatus using said developer
FUJITSU LTD20 citations92
US5698320ADec 16, 1997
Image forming device
FUJITSU LTD43 citations92
US6447971B2Sep 10, 2002
Toner containing release agent and method of manufacturing said toner
FUJITSU LTD16 citations84
US6463246B1Oct 8, 2002
Developer, development method, development device and its elements, and image-forming device
FUJITSU LTD15 citations82
US5907758AMay 25, 1999
Electrostatic recording system using dielectric belt in which electrifying voltage is applied in stages prior to image transfer
FUJITSU LTD17 citations82
US6212340B1Apr 3, 2001
Image forming apparatus utilizing a two-component developing apparatus with automatic toner replenishment and developer replacement
FUJITSU LTD12 citations73
US6091925AJul 18, 2000
Fixing unit with undirectional clutch mechanism and image forming apparatus with sealing member and agitating mechanism
FUJITSU LTD10 citations72
FUJIFILM BUSINESS INNOVATION CORP
8 patentsUS11169459B2Nov 9, 2021
Resin particle set
FUJIFILM BUSINESS INNOVATION CORP2 citations72
US12534547B2Jan 27, 2026
Resin particle
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12399442B2Aug 26, 2025
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12393132B2Aug 19, 2025
Green toner for electrostatic charge image development, electrostatic charge image developer, toner cartridge, process cartridge, image forming apparatus, and image forming method
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12326692B2Jun 10, 2025
Electrostatic charge image developing toner, electrostatic charge image developer, and toner cartridge
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US12157813B2Dec 3, 2024
Resin particle
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11965043B2Apr 23, 2024
Resin particle
FUJIFILM BUSINESS INNOVATION CORP0 citations62
US11693339B2Jul 4, 2023
Unit and image forming apparatus having a certain adhesive force property
FUJIFILM BUSINESS INNOVATION CORP0 citations51
ANDEN CO LTD
5 patentsUS9859077B2Jan 2, 2018
Electromagnetic relay having a tapered and circular movable core portion
ANDEN CO LTD2 citations72
US10679812B2Jun 9, 2020
Electromagnetic relay
ANDEN CO LTD6 citations68
US10332709B2Jun 25, 2019
Electromagnetic relay
ANDEN CO LTD0 citations52
US10916398B2Feb 9, 2021
Electromagnetic relay
ANDEN CO LTD0 citations51
US9190233B2Nov 17, 2015
Solenoid device and electromagnetic relay
ANDEN CO LTD1 citations50
NIPPON STEEL CORP
3 patentsUS7497987B2Mar 3, 2009
Refining method and refining apparatus for chromium-contained molten steel
NIPPON STEEL CORP6 citations61
US6830606B2Dec 14, 2004
Method for decarbonization refining of chromium-containing molten steel
NIPPON STEEL CORP2 citations61
US6251169B1Jun 26, 2001
Method for vacuum/reduced-pressure refining and facility for vacuum/reduced-pressure refining
NIPPON STEEL CORP6 citations57
NEC CORP
2 patentsDENSO INT AMERICA INC
1 patentOMRON TATEISI ELECTRONICS CO
1 patentNIPPON SOKEN
1 patentCANON KK
1 patentNITTETSU PLANT DESIGNING CORP
1 patentSUMITOMO CHEMICAL CO
1 patentDENSO ELECTRONICS CORP
1 patentDENKA COMPANY LTD
1 patentHORIBE TATSUTO
1 patentShowing the top 50 of 66 patents by PatentIndex Score.