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Patents Grants
last 30 patents
Information
Patent Grant
Carrier core material and electrophotographic development carrier u...
Patent number
11,556,070
Issue date
Jan 17, 2023
Dowa Electronics Materials Co., Ltd.
Takeshi Kawauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic core material for electrophotographic developer, carrier f...
Patent number
11,099,495
Issue date
Aug 24, 2021
Powdertech Co., Ltd.
Hiroki Sawamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic carrier, two-component developer, replenishment developer,...
Patent number
10,859,936
Issue date
Dec 8, 2020
Canon Kabushiki Kaisha
Nobuyoshi Sugahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-component developer for electrostatic charge image development
Patent number
10,698,331
Issue date
Jun 30, 2020
Konica Minolta, Inc.
Shinya Obara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image developing toner and image forming method
Patent number
10,606,183
Issue date
Mar 31, 2020
Konica Minolta, Inc.
Koji Shibata
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Ferrite particle having outer shell structure
Patent number
10,585,369
Issue date
Mar 10, 2020
Powdertech Co., Ltd.
Koji Aga
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for developer of electrostatic latent image, developer, and...
Patent number
10,254,674
Issue date
Apr 9, 2019
Ricoh Company, Ltd.
Masahiro Seki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier, electrophotographic developer, and method of manufacturing...
Patent number
10,248,039
Issue date
Apr 2, 2019
Powdertech Co., Ltd.
Hiroki Sawamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic latent image developing carrier and two-component dev...
Patent number
10,248,040
Issue date
Apr 2, 2019
Kyocera Document Solutions Inc.
Tomoyasu Asakawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier core material
Patent number
10,185,238
Issue date
Jan 22, 2019
Dowa Electronics Materials Co., Ltd.
Yuto Kamai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic image developer and toner, electrostatic image develo...
Patent number
10,061,216
Issue date
Aug 28, 2018
Fuji Xerox Co., Ltd.
Yuka Zenitani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier and electrophotographic developer using the carrier
Patent number
10,036,982
Issue date
Jul 31, 2018
Powdertech Co., Ltd.
Hiroki Sawamoto
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier core material and electrophotographic development carrier u...
Patent number
9,964,878
Issue date
May 8, 2018
Dowa Electronics Materials Co., Ltd.
Yohei Ishikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for two-component developer, two-component developer, and m...
Patent number
9,885,969
Issue date
Feb 6, 2018
Fuji Xerox Co., Ltd.
Takeshi Tanabe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Surface modified magnetic carriers using hydrophobized titania
Patent number
9,841,702
Issue date
Dec 12, 2017
Lexmark International, Inc.
Kasturi Rangan Srinivasan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Surface modified magnetic carriers using hydrophobized titania
Patent number
9,835,967
Issue date
Dec 5, 2017
Lexmark International, Inc.
Kasturi Rangan Srinivasan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic charge image developer, developer cartridge, and proc...
Patent number
9,835,966
Issue date
Dec 5, 2017
Fuji Xerox Co., Ltd.
Yasuhisa Morooka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Ferrite particles, carrier for electrophotographic development usin...
Patent number
9,740,129
Issue date
Aug 22, 2017
Dowa Electronics Materials Co., Ltd.
Shinya Sasaki
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Electrostatic charge image developer, developer cartridge, and proc...
Patent number
9,726,998
Issue date
Aug 8, 2017
Fuji Xerox Co., Ltd.
Yasuhisa Morooka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic charge image developing toner, electrostatic charge i...
Patent number
9,726,993
Issue date
Aug 8, 2017
Fuji Xerox Co., Ltd.
Shinichi Yaoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner, developer, and toner cartridge
Patent number
9,703,223
Issue date
Jul 11, 2017
Hodogaya Chemical Co., Ltd.
Masaki Okubo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier core particles for electrophotographic developer, carrier f...
Patent number
9,651,886
Issue date
May 16, 2017
Dowa Electronics Materials Co., Ltd.
Takeshi Kawauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrostatic charge image developing toner, electrostatic charge i...
Patent number
9,612,542
Issue date
Apr 4, 2017
Fuji Xerox Co., Ltd.
Yuki Takamiya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation method
Patent number
9,594,325
Issue date
Mar 14, 2017
Kyocera Document Solutions Inc.
Yusuke Kurano
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Formulation for a developer mix having tribocharge uniformity acros...
Patent number
9,535,353
Issue date
Jan 3, 2017
Lexmark International, Inc.
Kasturi Rangan Srinivasan
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic carrier, two-component developer, developer for replenishm...
Patent number
9,513,571
Issue date
Dec 6, 2016
Canon Kabushiki Kaisha
Nobuyoshi Sugahara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Two-component developer
Patent number
9,482,977
Issue date
Nov 1, 2016
Konica Minolta, Inc.
Shinya Obara
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Carrier for electrophotographic developer and electrophotographic d...
Patent number
9,429,862
Issue date
Aug 30, 2016
Dowa Electronics Materials Co., Ltd.
Takeshi Kawauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a surface of a development roller and...
Patent number
9,400,448
Issue date
Jul 26, 2016
Kyocera Document Solutions Inc.
Yasushi Imanishi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic carrier, two-component developer, developer for replenishm...
Patent number
9,341,973
Issue date
May 17, 2016
Canon Kabushiki Kaisha
Minoru Yoshifuku
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
FERRITE PARTICLES, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPER, ELECT...
Publication number
20240254004
Publication date
Aug 1, 2024
Powdertech Co., Ltd.
Yuzuru YAMASAKI
C01 - INORGANIC CHEMISTRY
Information
Patent Application
FERRITE PARTICLES, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER CORE MATER...
Publication number
20230152726
Publication date
May 18, 2023
POWDERTECH CO.,LTD.
Makoto ISHIKAWA
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Application
FERRITE PARTICLES, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER CORE MATER...
Publication number
20230144641
Publication date
May 11, 2023
POWDERTECH CO.,LTD.
Makoto ISHIKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FERRITE PARTICLES, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER CORE MATER...
Publication number
20220155702
Publication date
May 19, 2022
POWDERTECH CO.,LTD.
Makoto ISHIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FERRITE PARTICLES, ELECTROPHOTOGRAPHIC DEVELOPER CARRIER CORE MATER...
Publication number
20220155701
Publication date
May 19, 2022
Powdertech Co., Ltd.
Makoto ISHIKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
Publication number
20210132520
Publication date
May 6, 2021
DOWA ELECTRONICS MATERIALS CO., LTD.
Takeshi KAWAUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
MAGNETIC CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
Publication number
20210080847
Publication date
Mar 18, 2021
Powdertech Co., Ltd.
Hiroki SAWAMOTO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROPHOTOGRAPHIC DEVELOPER, REPLENISHMENT DEVELOPER, IMAGE FORMI...
Publication number
20200319571
Publication date
Oct 8, 2020
Kento TAKEUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Two-component developer for electrostatic charge image development
Publication number
20190354032
Publication date
Nov 21, 2019
Konica Minolta, Inc.
Shinya OBARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC LATENT IMAGE DEVELOPING CARRIER AND TWO-COMPONENT DEV...
Publication number
20190064689
Publication date
Feb 28, 2019
KYOCERA DOCUMENT SOLUTIONS INC.
Tomoyasu ASAKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER EXTERNAL ADDITIVE, ELECTROSTATIC CHARGE IMAGE DEVELOPING TONE...
Publication number
20190033740
Publication date
Jan 31, 2019
FUJI XEROX CO., LTD
Moegi IGUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPER OF ELECTROSTATIC LATENT IMAGE, DEVELOPER, AND...
Publication number
20180113393
Publication date
Apr 26, 2018
Masahiro SEKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
Publication number
20180107129
Publication date
Apr 19, 2018
DOWA ELECTRONICS MATERIALS CO., LTD.
Yohei ISHIKAWA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
TONER
Publication number
20180067415
Publication date
Mar 8, 2018
KYOCERA DOCUMENT SOLUTIONS INC.
Masanori SUGAHARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
Publication number
20180052405
Publication date
Feb 22, 2018
DOWA ELECTRONICS MATERIALS CO., LTD.
Yohei ISHIKAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER CORE MATERIAL
Publication number
20180024455
Publication date
Jan 25, 2018
DOWA ELECTRONICS MATERIALS CO., LTD.
Yuto KAMAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC IMAGE DEVELOPING TONER, ELECTROSTATIC IMAGE DEVELOPER...
Publication number
20170227861
Publication date
Aug 10, 2017
FUJI XEROX CO., LTD
Yuka ZENITANI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPER, DEVELOPER CARTRIDGE, AND PROC...
Publication number
20170227875
Publication date
Aug 10, 2017
FUJI XEROX CO., LTD
Yasuhisa MOROOKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPER, DEVELOPER CARTRIDGE, AND PROC...
Publication number
20170227876
Publication date
Aug 10, 2017
FUJI XEROX CO., LTD
Yasuhisa MOROOKA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TWO-COMPONENT DEVELOPER, DEVELOPMENT DEVICE AND IMAGE FORMATION APP...
Publication number
20160274477
Publication date
Sep 22, 2016
Oki Data Corporation
Junichi NAKAGAWA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
FERRITE PARTICLES, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPMENT USIN...
Publication number
20160266510
Publication date
Sep 15, 2016
DOWA ELECTRONICS MATERIALS CO., LTD.
Shinya SASAKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...
Publication number
20160266506
Publication date
Sep 15, 2016
FUJI XEROX CO., LTD
Shinichi Yaoi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TWO-COMPONENT DEVELOPER
Publication number
20160202625
Publication date
Jul 14, 2016
Konica Minolta, Inc.
Shinya OBARA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TONER, DEVELOPER, AND METHOD OF MANUFACTURING THE TONER
Publication number
20160077455
Publication date
Mar 17, 2016
Yoshihiro MORIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...
Publication number
20160070186
Publication date
Mar 10, 2016
FUJI XEROX CO., LTD
Erina SAITO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
TWO-COMPONENT DEVELOPER IMAGE INFORMING APPARATUS, AND IMAGE FORMAT...
Publication number
20160054672
Publication date
Feb 25, 2016
KYOCERA DOCUMENT SOLUTIONS INC.
Yusuke KURANO
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
Publication number
20160033889
Publication date
Feb 4, 2016
DOWA ELECTRONICS MATERIALS CO., LTD.
Takeshi KAWAUCHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
CARRIER FOR DEVELOPING ELECTROSTATIC IMAGE, ELECTROSTATIC IMAGE DEV...
Publication number
20160026105
Publication date
Jan 28, 2016
FUJI XEROX CO., LTD
Yosuke TSURUMI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
ELECTROSTATIC CHARGE IMAGE DEVELOPING TONER, ELECTROSTATIC CHARGE I...
Publication number
20150370187
Publication date
Dec 24, 2015
FUJI XEROX CO., LTD
Yuki TAKAMIYA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
BRILLIANT TONER, ELECTROSTATIC CHARGE IMAGE DEVELOPER, AND TONER CA...
Publication number
20150064615
Publication date
Mar 5, 2015
FUJI XEROX CO., LTD
Sakiko HIRAI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY