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Masamitsu Sakuma
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Hirakata-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Developing device conveying toner using a traveling-wave electric f...
Patent number
6,934,496
Issue date
Aug 23, 2005
Sharp Kabushiki Kaisha
Masamitsu Sakuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus and image forming apparatus using progressive...
Patent number
6,901,232
Issue date
May 31, 2005
Sharp Kabushiki Kaisha
Masamitsu Sakuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and manufacturing method thereof
Patent number
6,858,369
Issue date
Feb 22, 2005
Sharp Kabushiki Kaisha
Katsumi Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developer apparatus and image forming apparatus
Patent number
6,816,694
Issue date
Nov 9, 2004
Sharp Kabushiki Kaisha
Katsumi Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, and image forming device having the same
Patent number
6,697,592
Issue date
Feb 24, 2004
Sharp Kabushiki Kaisha
Katsumi Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and manufacturing method thereof
Patent number
6,596,454
Issue date
Jul 22, 2003
Sharp Kabushiki Kaisha
Katsumi Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device, printing device, and charging method through con...
Patent number
6,438,346
Issue date
Aug 20, 2002
Sharp Kabushiki Kaisha
Taisuke Kamimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Developing device and image forming device
Publication number
20040213608
Publication date
Oct 28, 2004
Masamitsu Sakuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device and image forming device provided with it
Publication number
20040037593
Publication date
Feb 26, 2004
Masamitsu Sakuma
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device, and image forming device having the same
Publication number
20030175052
Publication date
Sep 18, 2003
Katsumi Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developer apparatus and image forming apparatus
Publication number
20030118376
Publication date
Jun 26, 2003
Katsumi Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device, printing device, and charging method through con...
Publication number
20020001486
Publication date
Jan 3, 2002
Taisuke Kamimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner and manufacturing method thereof
Publication number
20010036586
Publication date
Nov 1, 2001
Katsumi Adachi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY