Tomoya Yamada

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Okayama, JP

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Patents Grantslast 30 patents

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 material for electrophotographic developer and method...
- Patent number 8,697,325
- Issue date Apr 15, 2014
- Tomoya Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
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

Patents Applicationslast 30 patents

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
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 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