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Patents Grants
last 30 patents
Information
Patent Grant
Developing apparatus
Patent number
7,412,194
Issue date
Aug 12, 2008
Matsushita Electric Industrial Co., Ltd.
Akinobu Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
One-component type developing apparatus
Patent number
7,313,351
Issue date
Dec 25, 2007
Matsushita Electric Industrial Co., Ltd.
Akinori Toyoda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Developing apparatus
Patent number
7,269,381
Issue date
Sep 11, 2007
Matsushita Electric Industrial Co., Ltd.
Akinobu Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image heating device and image forming device using the same
Patent number
RE38810
Issue date
Oct 4, 2005
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
399 - Electrophotography
Information
Patent Grant
Image heating device and image forming apparatus using the same
Patent number
6,819,904
Issue date
Nov 16, 2004
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Image heating device and image forming apparatus using the same
Patent number
6,757,513
Issue date
Jun 29, 2004
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Image heating device and image forming apparatus using the same
Patent number
6,678,498
Issue date
Jan 13, 2004
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Oil coating roller, seal ring used for the roller, and fixing devic...
Patent number
6,668,150
Issue date
Dec 23, 2003
Matsushita Electric Industrial Co., Ltd.
Akinori Toyoda
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Image heating device and image forming apparatus using the same
Patent number
6,625,417
Issue date
Sep 23, 2003
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Toner layer forming device for non-magnetic toner
Patent number
6,049,688
Issue date
Apr 11, 2000
Matsushita Electric Industrial Co., Ltd.
Kazumasa Hayashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image formation apparatus, oil application roller unit and fixing d...
Patent number
6,047,157
Issue date
Apr 4, 2000
Matsushita Electric Industrial Co., Ltd.
Hideki Tatematsu
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Image heating device and image forming device using the same
Patent number
6,021,303
Issue date
Feb 1, 2000
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Reversal electrophotographic developing method employing recyclable...
Patent number
5,985,506
Issue date
Nov 16, 1999
Matsushita Electric Industrial Co., Ltd.
Yasuhito Yuasa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Toner
Patent number
5,702,858
Issue date
Dec 30, 1997
Matsushita Electric Industrial Co., Ltd.
Yasuhito Yuasa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Grant
Magnetic toner
Patent number
5,561,019
Issue date
Oct 1, 1996
Matsushita Electric Industrial Co., Ltd.
Yasuhito Yuasa
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Patents Applications
last 30 patents
Information
Patent Application
IMAGE OUTPUT APPARATUS, OUTPUT IMAGE CONTROL METHOD AND OUTPUT IMAG...
Publication number
20070166064
Publication date
Jul 19, 2007
Matsushita Electric Industrial Co., Ltd.
Naoki TAKAHASHI
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing apparatus
Publication number
20060239723
Publication date
Oct 26, 2006
Matsushita Electric Industrial Co., Ltd.
Akinobu Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing apparatus
Publication number
20060029436
Publication date
Feb 9, 2006
Matsushita Electric Industrial Co., Ltd.
Akinori Toyoda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image output apparatus, output image control method, and output ima...
Publication number
20050286086
Publication date
Dec 29, 2005
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
Naoki Takahashi
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Developing apparatus
Publication number
20050281588
Publication date
Dec 22, 2005
Matsushita Electric Industrial Co., Ltd.
Akinobu Okuda
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
Image heating device and image forming apparatus using the same
Publication number
20040081490
Publication date
Apr 29, 2004
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Image heating device and image forming apparatus using the same
Publication number
20030170055
Publication date
Sep 11, 2003
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Image heating device and image forming apparatus using the same
Publication number
20030152406
Publication date
Aug 14, 2003
Matsushita Electric Industrial Co., Ltd.
Hiroshi Terada
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Oil coating roller, seal ring used for the roller, and fixing devic...
Publication number
20020181978
Publication date
Dec 5, 2002
Akinori Toyoda
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...