Koutaro Yamada

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Takeda, Katsuta-shi, Ibaraki 312, JP

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Patents Grantslast 30 patents

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 for electrophotograph-type printer
- Patent number 5,416,571
- Issue date May 16, 1995
- Hitachi Koki Co., Ltd.
- Koutaro Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic printer
- Patent number 4,926,200
- Issue date May 15, 1990
- Mineo Ohyama
- G06 - COMPUTING CALCULATING COUNTING