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Kazutaka Sato
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Ibaraki, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Image forming apparatus for printing an image on both sides of a re...
Patent number
6,882,819
Issue date
Apr 19, 2005
Hitachi, Ltd.
Masahiro Yagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus
Patent number
6,741,830
Issue date
May 25, 2004
Hitachi, Ltd.
Yasushi Kinoshita
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Method and apparatus for forming color image
Patent number
6,606,472
Issue date
Aug 12, 2003
Hitachi, Ltd.
Akira Mori
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image forming apparatus having belt-shaped carrier
Patent number
6,603,942
Issue date
Aug 5, 2003
Hitachi, Ltd.
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic disk apparatus
Patent number
6,552,878
Issue date
Apr 22, 2003
Hitachi, Ltd.
Kazutaka Sato
G11 - INFORMATION STORAGE
Information
Patent Grant
Image forming apparatus
Patent number
6,553,206
Issue date
Apr 22, 2003
Hitachi, Ltd.
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image production apparatus
Patent number
6,496,672
Issue date
Dec 17, 2002
Hitachi, Ltd.
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical switch, method of manufacturing same, and optical communica...
Patent number
6,487,330
Issue date
Nov 26, 2002
Hitachi, Ltd.
Masaya Horino
G02 - OPTICS
Information
Patent Grant
Optical switching device and optical switching method
Patent number
6,463,191
Issue date
Oct 8, 2002
Hitachi, Ltd.
Hideaki Tsushima
G02 - OPTICS
Information
Patent Grant
Image forming apparatus having a belt attaching/detaching mechanism
Patent number
6,445,895
Issue date
Sep 3, 2002
Hitachi Koki Co., Ltd.
Satoshi Shirasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Optical switch, method of manufacturing same, and optical communica...
Patent number
6,219,472
Issue date
Apr 17, 2001
Hitachi, Ltd.
Masaya Horino
G02 - OPTICS
Information
Patent Grant
Optical switch
Patent number
6,169,826
Issue date
Jan 2, 2001
Hitachi Metals, Ltd.
Toshikazu Nishiyama
G02 - OPTICS
Information
Patent Grant
Rotating disk type information storage apparatus having a movable m...
Patent number
6,038,104
Issue date
Mar 14, 2000
Hitachi, Ltd.
Kazutaka Sato
G11 - INFORMATION STORAGE
Information
Patent Grant
Facsimile apparatus
Patent number
5,548,411
Issue date
Aug 20, 1996
Hitachi, Ltd.
Kazutaka Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Facsimile apparatus
Patent number
5,452,098
Issue date
Sep 19, 1995
Hitachi, Ltd.
Kazutaka Sato
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Thick film thermal printing head
Patent number
5,359,351
Issue date
Oct 25, 1994
Hitachi, Ltd.
Kazutaka Sato
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thick film type thermal head and thermal recording device
Patent number
5,157,414
Issue date
Oct 20, 1992
Hitachi, Ltd.
Taisaku Seino
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Thick film resistor material and thermal head obtained therefrom
Patent number
5,109,238
Issue date
Apr 28, 1992
Hitachi, Ltd.
Michihiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thick film resistor material and thermal head obtained therefrom
Patent number
5,021,194
Issue date
Jun 4, 1991
Hitachi, Ltd.
Michihiro Watanabe
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thick film type thermal head
Patent number
4,835,550
Issue date
May 30, 1989
Hitachi, Ltd.
Kazutaka Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heat-sensitive recording head and method of manufacturing same
Patent number
4,738,871
Issue date
Apr 19, 1988
Hitachi, Ltd.
Michihiro Watanabe
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Patents Applications
last 30 patents
Information
Patent Application
Image forming apparatus
Publication number
20030215273
Publication date
Nov 20, 2003
Yasushi Kinoshita
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20030068175
Publication date
Apr 10, 2003
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20030053833
Publication date
Mar 20, 2003
Yasushi Kinoshita
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
Image forming apparatus
Publication number
20030053828
Publication date
Mar 20, 2003
Masahiro Yagi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20020106228
Publication date
Aug 8, 2002
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Magnetic disk apparatus
Publication number
20020097529
Publication date
Jul 25, 2002
Kazutaka Sato
G11 - INFORMATION STORAGE
Information
Patent Application
Image production apparatus
Publication number
20020034400
Publication date
Mar 21, 2002
Kenji Asuwa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image forming apparatus
Publication number
20010022903
Publication date
Sep 20, 2001
Satoshi Shirasawa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Optical switch, method of manufacturing same, and optical communica...
Publication number
20010017957
Publication date
Aug 30, 2001
Masaya Horino
G02 - OPTICS