Kouichi Shimizu

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Patents Grantslast 30 patents

Information Patent Grant
Ferrite carrier for electrophotographic developer and developer usi...
- Patent number 5,518,849
- Issue date May 21, 1996
- Powdertech Co., Ltd.
- Yuji Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Ferrite carrier for electrophotographic developer and developer con...
- Patent number 5,466,552
- Issue date Nov 14, 1995
- Powdertech Co., Ltd.
- Yuji Sato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY