Kazunori Takagi

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Chiba-ken, JP

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Patents Grantslast 30 patents

Information Patent Grant
Carrier for electrophotographic developer and electrophotographic d...
- Patent number 6,387,582
- Issue date May 14, 2002
- Powdertech Co., Ltd.
- Kanao Kayamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer and electrophotographic d...
- Patent number 6,235,443
- Issue date May 22, 2001
- Powdertech Co., Ltd.
- Kanao Kayamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier for electrophotographic developer and electrophotographic d...
- Patent number 6,210,850
- Issue date Apr 3, 2001
- Powdertech Co., Ltd.
- Masahiro Ogata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ferrite carrier for electrophotographic developer and electrophotog...
- Patent number 5,976,747
- Issue date Nov 2, 1999
- Powdertech Co., Ltd.
- Yuji Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Carrier for electrophotographic developer and electrophotographic d...
- Publication number 20020006570
- Publication date Jan 17, 2002
- POWDERTECH, CO., LTD.
- Kanao Kayamoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY