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Chiseki Yamaguchi
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Niigata, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Color image forming device with simplified optical unit incorporati...
Patent number
6,580,443
Issue date
Jun 17, 2003
Fuji Xerox Co., Ltd.
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image formation apparatus using a liquid developer and color...
Patent number
6,353,721
Issue date
Mar 5, 2002
Fuji Xerox Co., Ltd.
Chiseki Yamaguchi
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Toner concentration detecting apparatus including power supply for...
Patent number
6,330,406
Issue date
Dec 11, 2001
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation apparatus
Patent number
6,282,392
Issue date
Aug 28, 2001
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Liquid developer imaging apparatus having extended photo-conductor...
Patent number
6,269,233
Issue date
Jul 31, 2001
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image forming device capable of achieving a uniform and stabl...
Patent number
6,097,413
Issue date
Aug 1, 2000
NEC Corporation
Chiseki Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color image forming apparatus
Patent number
6,049,350
Issue date
Apr 11, 2000
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and display panel for displaying color image
Patent number
6,020,866
Issue date
Feb 1, 2000
NEC Corporation
Chiseki Yamaguchi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Apparatus and method for detecting toner density in a liquid developer
Patent number
5,995,778
Issue date
Nov 30, 1999
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and image forming method using selective ex...
Patent number
5,974,291
Issue date
Oct 26, 1999
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color image forming apparatus
Patent number
5,974,289
Issue date
Oct 26, 1999
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Charging device for charging charged body in non-contact state
Patent number
5,970,287
Issue date
Oct 19, 1999
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Color-image forming apparatus having intermediate transfer member a...
Patent number
5,966,561
Issue date
Oct 12, 1999
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus with means for carrying developer by utilizing...
Patent number
5,761,591
Issue date
Jun 2, 1998
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic digital printer having data expansion means res...
Patent number
5,745,255
Issue date
Apr 28, 1998
NEC Corporation
Chiseki Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Fixing device which utilizes heat generated by electromagnetic indu...
Patent number
5,666,627
Issue date
Sep 9, 1997
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and display panel for displaying color image
Patent number
5,616,416
Issue date
Apr 1, 1997
NEC Corporation
Chiseki Yamaguchi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method and apparatus for displaying color image
Patent number
5,614,290
Issue date
Mar 25, 1997
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Electrophotographic image forming apparatus which reduces an area f...
Patent number
5,615,405
Issue date
Mar 25, 1997
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Method and apparatus for forming an image on a recording medium
Patent number
5,589,867
Issue date
Dec 31, 1996
NEC Corporation
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
Color image forming device
Publication number
20020080219
Publication date
Jun 27, 2002
Fuji Xerox co., LTD.
Chiseki Yamaguchi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY