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Higashiosaka, JP
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last 30 patents
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Patent Grant
Electronic image forming apparatus with reduced residual carrier an...
Patent number
5,598,252
Issue date
Jan 28, 1997
Sharp Kabushiki Kaisha
Hideo Yamasa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Copying machine with image superposition capability
Patent number
5,546,169
Issue date
Aug 13, 1996
Sharp Kabushiki Kaisha
Takasumi Wada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electronic image forming apparatus
Patent number
5,459,555
Issue date
Oct 17, 1995
Sharp Kabushiki Kaisha
Hideo Yamasa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Excessive current preventing device for the contact charging of a p...
Patent number
5,313,359
Issue date
May 17, 1994
Sharp Kabushiki Kaisha
Shinji Imagawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for judging life of photoconductor
Patent number
5,278,612
Issue date
Jan 11, 1994
Sharp Kabushiki Kaisha
Koichi Inui
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Laser printer
Patent number
4,929,970
Issue date
May 29, 1990
Sharp Kabushiki Kaisha
Koichi Inui
G06 - COMPUTING CALCULATING COUNTING