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Yoshiyuki Ishizuka
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Hirakata, JP
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last 30 patents
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Patent Grant
Image forming apparatus capable of changing the surface potential o...
Patent number
5,331,379
Issue date
Jul 19, 1994
Mita Industrial Co., Ltd.
Shinsaku Yoneda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Patent Grant
Copying apparatus
Patent number
5,214,474
Issue date
May 25, 1993
Mita Industrial Co., Ltd.
Yoshiyuki Ishizuka
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY