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Jun-ichi Hamada
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Hachioji, JP
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last 30 patents
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Patent Grant
Image forming apparatus having a developer deterioration detecting...
Patent number
5,162,849
Issue date
Nov 10, 1992
Konica Corporation
Kunihisa Yoshino
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
5,140,375
Issue date
Aug 18, 1992
Konica Corporation
Yoshiko Shindo
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Residual toner cleaning apparatus for color image forming device
Patent number
5,115,280
Issue date
May 19, 1992
Konica Corporation
Jun-ichi Hamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with improved image retainer cleaning means
Patent number
5,107,285
Issue date
Apr 21, 1992
Konica Corporation
Jun-ichi Hamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Paper separating charger capable of discharging currents of various...
Patent number
4,979,000
Issue date
Dec 18, 1990
Konica Corporation
Jun-ichi Hamada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY