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Ishikawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Solid-concentration measuring apparatus and method thereof, and sol...
Patent number
7,764,891
Issue date
Jul 27, 2010
PFU Limited
Jiyun Du
G01 - MEASURING TESTING
Information
Patent Grant
Full-color electrophotographic apparatus using liquid toner contain...
Patent number
6,996,361
Issue date
Feb 7, 2006
PFU Limited
Motoharu Ichida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid-development electrophotographic apparatus
Patent number
6,745,002
Issue date
Jun 1, 2004
PFU Limited
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner recycle control system of electrophotographing device using v...
Patent number
6,687,477
Issue date
Feb 3, 2004
PFU Limited
Motoharu Ichida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid-development full-color electrophotographic device
Patent number
6,625,415
Issue date
Sep 23, 2003
PFU Limited
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid developing electrophotographic device
Patent number
6,571,075
Issue date
May 27, 2003
PFU Limited
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic device of liquid toner developing type
Patent number
6,466,756
Issue date
Oct 15, 2002
PFU Limited
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wet type electrophotography apparatus to evenly apply developing so...
Patent number
6,311,034
Issue date
Oct 30, 2001
PFU Limited
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wet-type electrophotography apparatus, using non-volatile, high vis...
Patent number
6,308,034
Issue date
Oct 23, 2001
PFU Limited
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Wet type electrophotography apparatus to heat toner on intermediate...
Patent number
6,173,147
Issue date
Jan 9, 2001
PFU Limited
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
SOLID-CONCENTRATION MEASURING APPARATUS AND METHOD THEREOF, AND SOL...
Publication number
20070286626
Publication date
Dec 13, 2007
PFU Limited
Jiyun Du
G01 - MEASURING TESTING
Information
Patent Application
Full-color electrophotographic device using liquid toner
Publication number
20040175208
Publication date
Sep 9, 2004
Motoharu Ichida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Toner recycle control system of electrophotographing device using v...
Publication number
20030175049
Publication date
Sep 18, 2003
Motoharu Ichida
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid developing electrophotographic device
Publication number
20020159794
Publication date
Oct 31, 2002
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid-development electrophotographic apparatus
Publication number
20020159801
Publication date
Oct 31, 2002
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Liquid-development full-color electrophotographic device
Publication number
20020106220
Publication date
Aug 8, 2002
Yutaka Nakashima
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY