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Chiba, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image transfer device
Patent number
7,313,338
Issue date
Dec 25, 2007
Sharp Kabushiki Kaisha
Fumio Shimazu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and transfer apparatus employing endless belt
Patent number
7,302,217
Issue date
Nov 27, 2007
Sharp Kabushiki Kaisha
Toshiki Takiguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Detaching/attaching mechanism and image forming device
Patent number
7,257,351
Issue date
Aug 14, 2007
Sharp Kabushiki Kaisha
Hiroshi Tachiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer device and image forming apparatus
Patent number
7,162,178
Issue date
Jan 9, 2007
Sharp Kabushiki Kaisha
Toshiki Takiguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,957,022
Issue date
Oct 18, 2005
Sharp Kabushiki Kaisha
Masashi Hirai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Multicolored image forming apparatus for forming multicolored and m...
Patent number
6,889,027
Issue date
May 3, 2005
Sharp Kabushiki Kaisha
Hiroshi Tachiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,876,820
Issue date
Apr 5, 2005
Sharp Kabushiki Kaisha
Masashi Hirai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,301,023
Issue date
Oct 9, 2001
Sharp Kabushiki Kaisha
Masashi Hirai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,259,869
Issue date
Jul 10, 2001
Sharp Kabushiki Kaisha
Takuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having transfer drum with transfer paper ch...
Patent number
6,233,422
Issue date
May 15, 2001
Sharp Kabushiki Kaisha
Takuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with nip time changing device
Patent number
6,169,862
Issue date
Jan 2, 2001
Sharp Kabushiki Kaisha
Takuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,160,972
Issue date
Dec 12, 2000
Sharp Kabushiki Kaisha
Fumio Shimazu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Roller/belt type multiple color image transfer apparatus including...
Patent number
6,134,415
Issue date
Oct 17, 2000
Sharp Kabushiki Kaisha
Yoshie Iwakura
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Image forming apparatus having transfer roller with charge-removing...
Patent number
6,118,954
Issue date
Sep 12, 2000
Sharp Kabushiki Kaisha
Takuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Sheet conveying system
Patent number
6,108,514
Issue date
Aug 22, 2000
Sharp Kabushiki Kaisha
Osamu Nakayama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming method and apparatus
Patent number
6,097,923
Issue date
Aug 1, 2000
Sharp Kabushiki Kaisha
Yoshie Iwakura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer apparatus having a transfer drum
Patent number
6,081,685
Issue date
Jun 27, 2000
Sharp Kabushiki Kaisha
Yoshinobu Umetani
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having transfer drum with specific construc...
Patent number
6,081,686
Issue date
Jun 27, 2000
Sharp Kabushiki Kaisha
Takuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image-forming apparatus
Patent number
6,078,772
Issue date
Jun 20, 2000
Sharp Kabushiki Kaisha
Toshihiko Takaya
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,026,256
Issue date
Feb 15, 2000
Sharp Kabushiki Kaisha
Takuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having light projecting unit for projecting...
Patent number
6,002,904
Issue date
Dec 14, 1999
Sharp Kabushiki Kaisha
Seiichi Yoshida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus equipped with register rollers for curling...
Patent number
5,812,923
Issue date
Sep 22, 1998
Sharp Kabushiki Kaisha
Kouichi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having variable transfer and attraction vol...
Patent number
5,799,225
Issue date
Aug 25, 1998
Sharp Kabushiki Kaisha
Takuya Abe
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with a potential generating device
Patent number
5,745,820
Issue date
Apr 28, 1998
Sharp Kabushiki Kaisha
Yoshie Iwakura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus which stably holds a uniform surface potent...
Patent number
5,697,034
Issue date
Dec 9, 1997
Sharp Kabushiki Kaisha
Yoshie Iwakura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Transfer device for an image forming apparatus
Patent number
5,623,329
Issue date
Apr 22, 1997
Sharp Kabushiki Kaisha
Kouichi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
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
Developing device in an electrophotographic apparatus capable of co...
Patent number
5,592,270
Issue date
Jan 7, 1997
Sharp Kabushiki Kaisha
Yasuhiro Takai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Device for preventing breakdown of contact charger for use in elect...
Patent number
5,471,283
Issue date
Nov 28, 1995
Sharp Kabushiki Kaisha
Kouichi Irihara
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
Patents Applications
last 30 patents
Information
Patent Application
Image forming apparatus and transfer apparatus employing endless belt
Publication number
20060056885
Publication date
Mar 16, 2006
Sharp Kabushiki Kaisha
Toshiki Takiguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image transfer device
Publication number
20050244594
Publication date
Nov 3, 2005
Sharp Kabushiki Kaisha
Fumio Shimazu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Transfer device and image forming apparatus
Publication number
20050117932
Publication date
Jun 2, 2005
Sharp Kabushiki Kaisha
Toshiki Takiguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Detaching/attaching mechanism and image forming device
Publication number
20050074259
Publication date
Apr 7, 2005
Hiroshi Tachiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20040184824
Publication date
Sep 23, 2004
Masashi Hirai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20040161252
Publication date
Aug 19, 2004
Masashi Hirai
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and transfer unit
Publication number
20040062577
Publication date
Apr 1, 2004
Kohichi Yamauchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Multicolored image forming apparatus
Publication number
20030156864
Publication date
Aug 21, 2003
Hiroshi Tachiki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY