Shigeru Obata

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fixing device and image forming apparatus
- Patent number 7,953,361
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Shigeru Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device including a heating unit and a pressurizing unit that...
- Patent number 7,885,591
- Issue date Feb 8, 2011
- Ricoh Company, Ltd.
- Masahiro Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 7,831,186
- Issue date Nov 9, 2010
- Ricoh Company, Ltd.
- Shigeru Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus using the same
- Patent number 7,761,044
- Issue date Jul 20, 2010
- Ricoh Company, Ltd.
- Masahiro Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 7,664,447
- Issue date Feb 16, 2010
- Ricoh Company, Ltd.
- Masahiro Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing apparatus and image forming apparatus including heating member
- Patent number 7,433,640
- Issue date Oct 7, 2008
- Ricoh Printing Systems, Ltd.
- Masahiro Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus provided with fixing device
- Patent number 7,406,287
- Issue date Jul 29, 2008
- Ricoh Printing Systems, Ltd.
- Hiroyoshi Matsumoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus with guide having adjusta...
- Patent number 7,298,981
- Issue date Nov 20, 2007
- Ricoh Printing Systems, Ltd.
- Shunichi Oohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electro-photographic apparatus with a heating roller and pressurizi...
- Patent number 7,167,670
- Issue date Jan 23, 2007
- Ricoh Printing Systems, Ltd.
- Shigeru Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Heat fixing unit with improved belt handling
- Patent number 7,136,615
- Issue date Nov 14, 2006
- Ricoh Printing Systems, Ltd.
- Shunjchi Oohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming and recording apparatus with three pressure members
- Patent number 6,928,257
- Issue date Aug 9, 2005
- Ricoh Printing Systems, Ltd.
- Toshio Ogiso
- 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
Widthwise paper drift correction device for elongated web-like prin...
- Patent number 6,701,837
- Issue date Mar 9, 2004
- Hitachi Printing Solutions, Ltd.
- Tetsuya Ohba
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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 recording apparatus
- Patent number 6,285,854
- Issue date Sep 4, 2001
- Hitachi, Ltd.
- Shigeru Obata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image recording apparatus which prevents variation in speed of a re...
- Patent number 6,104,907
- Issue date Aug 15, 2000
- Hitachi, Ltd.
- Shigeru Obata
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Continuous recording medium friction-conveying mechanism in image f...
- Patent number 5,774,777
- Issue date Jun 30, 1998
- Hitachi, Ltd.
- Hidefumi Ohtsuka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt type transfer device for electrophotographic apparatus
- Patent number 5,499,086
- Issue date Mar 12, 1996
- Hitachi, Ltd.
- Junichi Matsuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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 type thermal head
- Patent number 4,835,550
- Issue date May 30, 1989
- Hitachi, Ltd.
- Kazutaka Sato
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080069611
- Publication date Mar 20, 2008
- Shigeru OBATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080031664
- Publication date Feb 7, 2008
- Masahiro Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080013992
- Publication date Jan 17, 2008
- Yoshihiro Fukuhata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20080013993
- Publication date Jan 17, 2008
- Shigeru OBATA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME
- Publication number 20070223976
- Publication date Sep 27, 2007
- Masahiro YAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH FIXING DEVICE
- Publication number 20070196145
- Publication date Aug 23, 2007
- Hiroyoshi MATSUMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing apparatus and image forming apparatus
- Publication number 20070071514
- Publication date Mar 29, 2007
- Ricoh Printing Systems, Ltd.
- Masahiro Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image formation apparatus
- Publication number 20070071467
- Publication date Mar 29, 2007
- Teruaki Mitsuya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus using the same
- Publication number 20070048045
- Publication date Mar 1, 2007
- Ricoh Printing Systems, Ltd.
- Masahiro Yagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20060008283
- Publication date Jan 12, 2006
- Shunichi Oohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electro-photographic apparatus
- Publication number 20050254866
- Publication date Nov 17, 2005
- Ricoh Printing Systems, Ltd.
- Shigeru Obata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing unit and image forming device using the same
- Publication number 20050129431
- Publication date Jun 16, 2005
- Hitachi Printing Solutions, Ltd.
- Shunichi Oohara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming and recording apparatus
- Publication number 20040057759
- Publication date Mar 25, 2004
- Toshio Ogiso
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030215273
- Publication date Nov 20, 2003
- Yasushi Kinoshita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Widthwise paper drift correction device for elongated web-like prin...
- Publication number 20030116042
- Publication date Jun 26, 2003
- Tetsuya Ohba
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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 20020106228
- Publication date Aug 8, 2002
- Kenji Asuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Shigeru Obata

Person

Patents Grantslast 30 patents

Fixing device and image forming apparatus

Fixing device including a heating unit and a pressurizing unit that...

Fixing device and image forming apparatus

Fixing device and image forming apparatus using the same

Fixing device and image forming apparatus

Fixing apparatus and image forming apparatus including heating member

Fixing device and image forming apparatus provided with fixing device

Fixing device and image forming apparatus with guide having adjusta...

Electro-photographic apparatus with a heating roller and pressurizi...

Heat fixing unit with improved belt handling

Image forming and recording apparatus with three pressure members

Image forming apparatus

Widthwise paper drift correction device for elongated web-like prin...

Image forming apparatus

Image recording apparatus

Image recording apparatus which prevents variation in speed of a re...

Continuous recording medium friction-conveying mechanism in image f...

Belt type transfer device for electrophotographic apparatus

Thick film type thermal head and thermal recording device

Thick film type thermal head

Patents Applicationslast 30 patents

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS

FIXING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS PROVIDED WITH FIXING DEVICE

Fixing apparatus and image forming apparatus

Image formation apparatus

Fixing device and image forming apparatus using the same

Fixing device and image forming apparatus

Electro-photographic apparatus

Fixing unit and image forming device using the same

Image forming and recording apparatus

Image forming apparatus

Widthwise paper drift correction device for elongated web-like prin...

Image forming apparatus

Image forming apparatus