Akihiko Yamazaki

Person

Hitachinaka-City, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and tandem image forming apparatus
- Patent number 7,953,335
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Akitomo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 7,917,045
- Issue date Mar 29, 2011
- Ricoh Company, Ltd.
- Makoto Yagawara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and toner adhesion amount correction method
- Patent number 7,773,896
- Issue date Aug 10, 2010
- Ricoh Company, Ltd.
- Makoto Yagawara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Printing apparatus
- Patent number 7,747,209
- Issue date Jun 29, 2010
- Ricoh Company, Ltd.
- Akihiko Yamazaki
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Printer capable of reserving sheet wrapping width
- Patent number 7,539,453
- Issue date May 26, 2009
- Ricoh Company, Ltd.
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film loader for an image forming apparatus
- Patent number 7,450,883
- Issue date Nov 11, 2008
- Ricoh Printing Systems, Ltd.
- Akira Asaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film driving apparatus and image forming apparatus using the same
- Patent number 7,424,251
- Issue date Sep 9, 2008
- Ricoh Printing Systems, Ltd.
- Takeshi Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film loader for an image forming apparatus
- Patent number 7,336,917
- Issue date Feb 26, 2008
- Ricoh Printing Systems, Ltd.
- Akira Asaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt unit of electrophotographic printing apparatus
- Patent number 7,308,220
- Issue date Dec 11, 2007
- Ricoh Printing Systems, Ltd.
- Akira Asaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Film loader for an image forming apparatus
- Patent number 7,295,794
- Issue date Nov 13, 2007
- Ricoh Printing Systems, Ltd.
- Akira Asaoka
- 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
Recording apparatus with conveyed recording sheet heated by movable...
- Patent number 6,130,408
- Issue date Oct 10, 2000
- Hitachi, Ltd.
- Hiromitsu Fukuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner image heating device
- Patent number 5,961,864
- Issue date Oct 5, 1999
- Hitachi Koki Co., Ltd.
- Isao Nakajima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus for a continuous strip of paper sheet...
- Patent number 5,802,444
- Issue date Sep 1, 1998
- Hitachi Koki Co., Ltd.
- Youichi Takeuchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus and paper detector thereof and paper...
- Patent number 5,745,817
- Issue date Apr 28, 1998
- Hitachi Koki Co., Ltd.
- Akihiko Yamazaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND TANDEM IMAGE FORMING APPARATUS
- Publication number 20080226321
- Publication date Sep 18, 2008
- Akitomo Kuwabara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Film loader for an image forming apparatus
- Publication number 20080118269
- Publication date May 22, 2008
- Ricoh Printing Systems, Ltd.
- Akira Asaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and toner adhesion amount correction method
- Publication number 20080044192
- Publication date Feb 21, 2008
- Ricoh Printing Systems, Ltd.
- Makoto Yagawara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20070212086
- Publication date Sep 13, 2007
- Makoto YAGAWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Film driving apparatus and image forming apparatus using the same
- Publication number 20070020014
- Publication date Jan 25, 2007
- Ricoh Printing Systems, Ltd.
- Takeshi Watanabe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Film loader for an image forming apparatus
- Publication number 20060204278
- Publication date Sep 14, 2006
- Ricoh Printing Systems, Ltd.
- Akira Asaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Printing apparatus
- Publication number 20060188304
- Publication date Aug 24, 2006
- Ricoh Printing Systems, Ltd.
- Akihiko Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Printer capable of reserving sheet wrapping width
- Publication number 20050232670
- Publication date Oct 20, 2005
- Yukio Otome
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Belt unit of electrophotographic printing apparatus
- Publication number 20040165909
- Publication date Aug 26, 2004
- Hitachi Printing Solutions, Ltd.
- Akira Asaoka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Film loader for an image forming apparatus
- Publication number 20030231898
- Publication date Dec 18, 2003
- HITACHI PRINTING SOLUTIONS, LTD.
- Akira Asaoka
- 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

Akihiko Yamazaki

Person

Patents Grantslast 30 patents

Image forming apparatus and tandem image forming apparatus

Image forming apparatus and image forming method

Image forming apparatus and toner adhesion amount correction method

Printing apparatus

Printer capable of reserving sheet wrapping width

Film loader for an image forming apparatus

Film driving apparatus and image forming apparatus using the same

Film loader for an image forming apparatus

Belt unit of electrophotographic printing apparatus

Film loader for an image forming apparatus

Image forming apparatus having belt-shaped carrier

Recording apparatus with conveyed recording sheet heated by movable...

Toner image heating device

Electrophotographic apparatus for a continuous strip of paper sheet...

Electrophotographic apparatus and paper detector thereof and paper...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND TANDEM IMAGE FORMING APPARATUS

Film loader for an image forming apparatus

Image forming apparatus and toner adhesion amount correction method

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

Film driving apparatus and image forming apparatus using the same

Film loader for an image forming apparatus

Printing apparatus

Printer capable of reserving sheet wrapping width

Belt unit of electrophotographic printing apparatus

Film loader for an image forming apparatus

Image forming apparatus