DOWA IP CREATION CO., LTD.

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Okayama-shi, JP

Organizations

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Patents Grantslast 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
Carrier core material and electrophotographic carrier using same an...
- Patent number 10,915,034
- Issue date Feb 9, 2021
- Dowa Electronics Materials Co., Ltd.
- Shou Ogawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Projection material for mechanical plating and high corrosion-resis...
- Patent number 10,907,257
- Issue date Feb 2, 2021
- Dowa IP Creation Co., Ltd.
- Takashi Fujiwara
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Carrier core material and electrophotographic development carrier u...
- Patent number 10,698,330
- Issue date Jun 30, 2020
- Dowa Electronics Materials Co., Ltd.
- Yuki Kitahara
- C01 - INORGANIC CHEMISTRY
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
Carrier core material and electrophotographic development carrier u...
- Patent number 10,088,764
- Issue date Oct 2, 2018
- Dowa Electronics Materials Co., Ltd.
- Yuto Kamai
- 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
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
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
Ferrite particles and electrophotographic development carrier using...
- Patent number 9,507,285
- Issue date Nov 29, 2016
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- C01 - INORGANIC CHEMISTRY
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
Carrier core particle for electrophotographic developer, method for...
- Patent number 9,329,514
- Issue date May 3, 2016
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing carrier core particles for electrophotogra...
- Patent number 9,274,446
- Issue date Mar 1, 2016
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for manufacturing carrier core particles for electrophotogra...
- Patent number 9,268,246
- Issue date Feb 23, 2016
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Carrier core particles for electrophotographic developer, carrier f...
- Patent number 9,195,157
- Issue date Nov 24, 2015
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core material for electrophotographic developer, method for...
- Patent number 9,164,411
- Issue date Oct 20, 2015
- Dowa Electronics Materials Co., Ltd.
- Masahiro Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core particles for electrophotographic developer, carrier f...
- Patent number 9,034,552
- Issue date May 19, 2015
- Dowa Electronics Materials Co., Ltd.
- Tomohide Iida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core particle for electrophotographic developer, carrier fo...
- Patent number 8,883,388
- Issue date Nov 11, 2014
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core particle for electrophotographic developer, carrier fo...
- Patent number 8,865,386
- Issue date Oct 21, 2014
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic developer carrier core material, electrophotogr...
- Patent number 8,652,736
- Issue date Feb 18, 2014
- Dowa IP Creation Co., Ltd.
- Ryusuke Nakao
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier core particles for electrophotographic developer, method fo...
- Patent number 8,617,781
- Issue date Dec 31, 2013
- Dowa Electronics Materials Co., Ltd.
- Takeshi Kawauchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Carrier core material for electrophotographic developer, and manufa...
- Patent number 8,592,123
- Issue date Nov 26, 2013
- Dowa Electronics Materials Co., Ltd.
- Tomoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Oxygen absorber for blending in a resin and method of producing the...
- Patent number 8,580,381
- Issue date Nov 12, 2013
- Toyo Seikan Kaisha, Ltd.
- Youichi Ishizaki
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Carrier core material for electrophotographic developer and method...
- Patent number 8,343,453
- Issue date Jan 1, 2013
- Dowa Electronics Materials Co., Ltd.
- Tomoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

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Patents Applicationslast 30 patents

Information Patent Application
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
- Publication number 20240201612
- Publication date Jun 20, 2024
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Shinya SASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE MATERIAL, AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER...
- Publication number 20220390874
- Publication date Dec 8, 2022
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Yuto KAMAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC CARRIER USING SAME AN...
- Publication number 20190391506
- Publication date Dec 26, 2019
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Shou OGAWA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
- Publication number 20190064688
- Publication date Feb 28, 2019
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Yuki KITAHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROJECTION MATERIAL FOR MECHANICAL PLATING AND HIGH CORROSION-RESIS...
- Publication number 20180282875
- Publication date Oct 4, 2018
- DOWA IP CREATION CO., LTD.
- Takashi FUJIWARA
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
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 AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...
- Publication number 20180046103
- Publication date Feb 15, 2018
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Yuto KAMAI
- 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
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
FERRITE PARTICLES AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER USING...
- Publication number 20160041487
- Publication date Feb 11, 2016
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Takeshi KAWAUCHI
- C01 - INORGANIC CHEMISTRY
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
METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...
- Publication number 20150220014
- Publication date Aug 6, 2015
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...
- Publication number 20150044607
- Publication date Feb 12, 2015
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FOR...
- Publication number 20150010462
- Publication date Jan 8, 2015
- DOWA IP CREATION CO., LTD.
- Takeshi KAWAUCHI
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...
- Publication number 20140242511
- Publication date Aug 28, 2014
- DOWA IP CREATION CO., LTD.
- Takeshi KAWAUCHI
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20140154623
- Publication date Jun 5, 2014
- DOWA IP CREATION CO., LTD.
- Takeshi KAWAUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FERRITE PARTICLES AND ELECTROPHOTOGRAPHIC CARRIER AND ELECTROPHOTOG...
- Publication number 20140017606
- Publication date Jan 16, 2014
- DOWA IP CREATION CO., LTD.
- Tomoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...
- Publication number 20140017609
- Publication date Jan 16, 2014
- Dowa IP Creation Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20130344431
- Publication date Dec 26, 2013
- Dowa IP Creation Co., Ltd.
- Tomohide Iida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FO...
- Publication number 20130189614
- Publication date Jul 25, 2013
- Dowa IP Creation Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...
- Publication number 20130084521
- Publication date Apr 4, 2013
- Dowa IP Creation Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FO...
- Publication number 20130011780
- Publication date Jan 10, 2013
- Dowa IP Creation Co., Ltd.
- Takeshi Kawauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FOR...
- Publication number 20130011781
- Publication date Jan 10, 2013
- Dowa IP Creation Co., Ltd.
- Takeshi Kawauchi
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FO...
- Publication number 20120295195
- Publication date Nov 22, 2012
- Dowa IP Creation Co., Ltd.
- Takeshi Kawauchi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FOR...
- Publication number 20120208121
- Publication date Aug 16, 2012
- Dowa IP Creation Co., Ltd.
- Masahiro Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD...
- Publication number 20100086869
- Publication date Apr 8, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tomoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND MANUFA...
- Publication number 20100075244
- Publication date Mar 25, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tomoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD...
- Publication number 20100035174
- Publication date Feb 11, 2010
- DOWA ELECTRONICS MATERIALS CO., LTD.
- Tomoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

DOWA IP CREATION CO., LTD.

Organization

Patents Grantslast 30 patents

Carrier core material and electrophotographic development carrier u...

Carrier core material and electrophotographic carrier using same an...

Projection material for mechanical plating and high corrosion-resis...

Carrier core material and electrophotographic development carrier u...

Carrier core material

Carrier core material and electrophotographic development carrier u...

Carrier core material and electrophotographic development carrier u...

Ferrite particles, carrier for electrophotographic development usin...

Carrier core particles for electrophotographic developer, carrier f...

Ferrite particles and electrophotographic development carrier using...

Carrier for electrophotographic developer and electrophotographic d...

Carrier core particle for electrophotographic developer, method for...

Method for manufacturing carrier core particles for electrophotogra...

Method for manufacturing carrier core particles for electrophotogra...

Carrier core particles for electrophotographic developer, carrier f...

Carrier core material for electrophotographic developer, method for...

Carrier core particles for electrophotographic developer, carrier f...

Carrier core particle for electrophotographic developer, carrier fo...

Carrier core particle for electrophotographic developer, carrier fo...

Electrophotographic developer carrier core material, electrophotogr...

Carrier core particles for electrophotographic developer, method fo...

Carrier core material for electrophotographic developer, and manufa...

Oxygen absorber for blending in a resin and method of producing the...

Carrier core material for electrophotographic developer and method...

Patents Applicationslast 30 patents

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...

CARRIER CORE MATERIAL, AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER...

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC CARRIER USING SAME AN...

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...

PROJECTION MATERIAL FOR MECHANICAL PLATING AND HIGH CORROSION-RESIS...

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...

CARRIER CORE MATERIAL AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER U...

CARRIER CORE MATERIAL

FERRITE PARTICLES, CARRIER FOR ELECTROPHOTOGRAPHIC DEVELOPMENT USIN...

FERRITE PARTICLES AND ELECTROPHOTOGRAPHIC DEVELOPMENT CARRIER USING...

CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...

METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...

CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FOR...

METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...

CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

FERRITE PARTICLES AND ELECTROPHOTOGRAPHIC CARRIER AND ELECTROPHOTOG...

METHOD FOR MANUFACTURING CARRIER CORE PARTICLES FOR ELECTROPHOTOGRA...

CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FO...

CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER F...

CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, CARRIER FO...

CARRIER CORE PARTICLE FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FOR...

CARRIER CORE PARTICLES FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FO...

CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, METHOD FOR...

CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD...

CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, AND MANUFA...

CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER AND METHOD...