Yoshio Ogura

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Developing unit for electro-photographic apparatus
- Patent number 5,579,091
- Issue date Nov 26, 1996
- Hitachi Koki Co., Ltd.
- Koutarou Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having developer regulating member
- Patent number 5,516,982
- Issue date May 14, 1996
- Hitachi Koki Co., Ltd.
- Youichi Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit for an electrophotographic apparatus
- Patent number 5,483,322
- Issue date Jan 9, 1996
- Hitachi Koki Co., Ltd.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having a developer mixing chamber for use in elec...
- Patent number 5,453,820
- Issue date Sep 26, 1995
- Hitachi Koki Co., Ltd.
- Hiroshi Ueno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner density detection method for electrophotographic apparatus
- Patent number 5,359,396
- Issue date Oct 25, 1994
- Hitachi Koki Co., Ltd.
- Yoshio Ogura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY