Takeshi Naito

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Patents Grantslast 30 patents

Information Patent Grant
Ferrite carrier core material for electrophotographic developer, ca...
- Patent number 11,150,569
- Issue date Oct 19, 2021
- Powdertech Co., Ltd.
- Yuzuru Yamasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Dry two-component type developer for electrophotography
- Patent number 6,905,806
- Issue date Jun 14, 2005
- Powdertech Co., Ltd.
- Takeshi Naito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer and developer containing...
- Patent number 6,686,113
- Issue date Feb 3, 2004
- Powdertech Co., Ltd.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
FERRITE CARRIER CORE MATERIAL FOR ELECTROPHOTOGRAPHIC DEVELOPER, CA...
- Publication number 20190163081
- Publication date May 30, 2019
- POWDERTECH CO., LTD.
- Yuzuru YAMASAKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Ferrite carrier core material for electrophotography, ferrite carri...
- Publication number 20070141502
- Publication date Jun 21, 2007
- POWDERTECH CO., LTD.
- Koji Aga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Dry two-component type developer for electrophotography
- Publication number 20040043320
- Publication date Mar 4, 2004
- POWDERTECH CO., LTD.
- Takeshi Naito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Carrier for electrophotographic developer and developer containing...
- Publication number 20030091923
- Publication date May 15, 2003
- POWDERTECH CO., LTD.
- Hiromichi Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY