Koji Niizawa

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Patents Grantslast 30 patents

Information Patent Grant
Developing agent supply apparatus and developing agent container us...
- Patent number 6,032,013
- Issue date Feb 29, 2000
- Minolta Co., Ltd.
- Koji Niizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Contact-type erasing device for image forming apparatus
- Patent number 6,026,259
- Issue date Feb 15, 2000
- Minolta Co., Ltd.
- Hideo Yamaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a bipolar photosensitive member
- Patent number 5,559,580
- Issue date Sep 24, 1996
- Minolta Co., Ltd.
- Koji Niizawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY