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Nagano, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus and toner consumption amount calculating me...
Patent number
7,783,208
Issue date
Aug 24, 2010
Seiko Epson Corporation
Toshiki Shiroki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and method for controlling tone characteris...
Patent number
7,680,425
Issue date
Mar 16, 2010
Seiko Epson Corporation
Takashi Hama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image forming apparatus and control method thereof
Patent number
7,623,801
Issue date
Nov 24, 2009
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus and a method of controlling the image formi...
Patent number
7,567,761
Issue date
Jul 28, 2009
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, a toner counter and a calculation method o...
Patent number
7,509,064
Issue date
Mar 24, 2009
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, a toner counter and a calculation method o...
Patent number
7,489,882
Issue date
Feb 10, 2009
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, image forming method, toner counter and ca...
Patent number
7,421,217
Issue date
Sep 2, 2008
Seiko Epson Corporation
Takatoshi Sugita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, a toner counter and a calculation method o...
Patent number
7,289,743
Issue date
Oct 30, 2007
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, control method and toner consumption calcu...
Patent number
7,269,362
Issue date
Sep 11, 2007
Seiko Epson Corporation
Takashi Hama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus, a toner counter and a calculation method o...
Patent number
7,206,525
Issue date
Apr 17, 2007
Seiko Epson Corporation
Hidenori Kin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device and method of calculating toner consumption, and image formi...
Patent number
7,058,321
Issue date
Jun 6, 2006
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Apparatus for and method of forming image under controlled image fo...
Patent number
6,871,026
Issue date
Mar 22, 2005
Seiko Epson Corporation
Hidetsugu Shimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus with reduced image defects
Patent number
6,684,047
Issue date
Jan 27, 2004
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device
Patent number
6,526,238
Issue date
Feb 25, 2003
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing device
Patent number
6,507,722
Issue date
Jan 14, 2003
Seiko Epson Corporation
Takehiko Okamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit
Patent number
6,336,022
Issue date
Jan 1, 2002
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having a conveying fin for loading a supply roller...
Patent number
6,295,433
Issue date
Sep 25, 2001
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit using specific developer composition
Patent number
6,226,484
Issue date
May 1, 2001
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having a plurality of developing units
Patent number
6,198,893
Issue date
Mar 6, 2001
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit
Patent number
6,192,209
Issue date
Feb 20, 2001
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having developing roller with restraining blade
Patent number
6,163,674
Issue date
Dec 19, 2000
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit using elastic supply roller
Patent number
6,151,474
Issue date
Nov 21, 2000
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing unit having developing roller with specific side surface...
Patent number
6,094,554
Issue date
Jul 25, 2000
Seiko Epson Corporation
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner and a process for preparing thereof
Patent number
5,192,636
Issue date
Mar 9, 1993
Seiko Epson Corporation
Masanao Kunugi
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
Image Forming Apparatus and Method of Determining Life of Toner Car...
Publication number
20080112715
Publication date
May 15, 2008
SEIKO EPSON CORPORATION
Toshiki SHIROKI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Apparatus, A Toner Counter And A Calculation Method O...
Publication number
20080031643
Publication date
Feb 7, 2008
SEIKO EPSON CORPORATION
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Apparatus, A Toner Counter And A Calculation Method O...
Publication number
20080031644
Publication date
Feb 7, 2008
SEIKO EPSON CORPORATION
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Apparatus and a Method of Controlling the Image Formi...
Publication number
20070200908
Publication date
Aug 30, 2007
SEIKO EPSON CORPORATION
Hidenori KIN
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, toner counter and method of calculating to...
Publication number
20070166059
Publication date
Jul 19, 2007
SEIKO CORPORATION
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image Forming Apparatus and Toner Consumption Amount Calculating Me...
Publication number
20070092273
Publication date
Apr 26, 2007
SEIKO EPSON CORPORATION
Toshiki Shiroki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, image forming method, toner counter and ca...
Publication number
20060233559
Publication date
Oct 19, 2006
Seiko Epson Corporation
Takatoshi Sugita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus and control method thereof
Publication number
20060222389
Publication date
Oct 5, 2006
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, control method and toner consumption calcu...
Publication number
20050185973
Publication date
Aug 25, 2005
Seiko Epson Corporation
Takashi Hama
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, a toner counter and a calculation method o...
Publication number
20050169648
Publication date
Aug 4, 2005
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus, a toner counter and a calculation method o...
Publication number
20050141905
Publication date
Jun 30, 2005
Seiko Epson Corporation
Hidenori Kin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image forming apparatus, a control method for the same and an image...
Publication number
20050030562
Publication date
Feb 10, 2005
Seiko Epson Corporation
Takashi Hama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Device and method of calculating toner consumption, and image formi...
Publication number
20040247330
Publication date
Dec 9, 2004
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Apparatus for and method of forming image under controlled image fo...
Publication number
20040105689
Publication date
Jun 3, 2004
Seiko Epson Corporation
Hidetsugu Shimura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device
Publication number
20020009304
Publication date
Jan 24, 2002
Seiko Epson Corporation
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing device
Publication number
20020009313
Publication date
Jan 24, 2002
Seiko Epson Corporation
Takehiko Okamura
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20010055503
Publication date
Dec 27, 2001
Hidenori Kin
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing unit
Publication number
20010005461
Publication date
Jun 28, 2001
Kazuhiro Ichikawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY