Tetsuo Yamanaka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and control system
- Patent number 8,190,039
- Issue date May 29, 2012
- Ricoh Company, Limited
- Masaharu Iida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively perfo...
- Patent number 7,853,159
- Issue date Dec 14, 2010
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including controller driving image carriers
- Patent number 7,787,787
- Issue date Aug 31, 2010
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively perfo...
- Patent number 7,664,407
- Issue date Feb 16, 2010
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including controller driving image carriers
- Patent number 7,551,867
- Issue date Jun 23, 2009
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively perfo...
- Patent number 7,505,697
- Issue date Mar 17, 2009
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including controller driving image carriers
- Patent number 7,386,259
- Issue date Jun 10, 2008
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively perfo...
- Patent number 7,376,363
- Issue date May 20, 2008
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including controller driving image carriers
- Patent number 7,136,600
- Issue date Nov 14, 2006
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus, tandem type color image forming appa...
- Patent number 6,934,498
- Issue date Aug 23, 2005
- Ricoh Company, Limited
- Kazuhiko Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color offset detecting apparatus and method
- Patent number 6,920,303
- Issue date Jul 19, 2005
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively perfo...
- Patent number 6,903,759
- Issue date Jun 7, 2005
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including driving means disposed downstream...
- Patent number 6,889,029
- Issue date May 3, 2005
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for image forming capable of effectively perfo...
- Patent number 6,829,465
- Issue date Dec 7, 2004
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for image forming capable of effectively perfo...
- Patent number 6,714,224
- Issue date Mar 30, 2004
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including controller to start driving movab...
- Patent number 6,708,017
- Issue date Mar 16, 2004
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, process cartridge and image forming apparatus th...
- Patent number 6,212,343
- Issue date Apr 3, 2001
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and an image forming apparatus using the same pro...
- Patent number 6,163,666
- Issue date Dec 19, 2000
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number D433441
- Issue date Nov 7, 2000
- Ricoh Company, Ltd.
- Masahiro Yonekawa
- D18 - Printing and office machinery
Information Patent Grant
Developing device for an image forming apparatus
- Patent number 6,033,818
- Issue date Mar 7, 2000
- Ricoh Company, Ltd.
- Toshihiro Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge and image-formation device suitable for miniaturi...
- Patent number 5,930,561
- Issue date Jul 27, 1999
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic recording apparatus configured to switch a bias...
- Patent number 5,897,243
- Issue date Apr 27, 1999
- Ricoh Company, Ltd.
- Satoru Komatsubara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of coating a toner conveyor roller
- Patent number 5,879,752
- Issue date Mar 9, 1999
- Ricoh Company, Ltd.
- Eisaku Murakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for an image forming apparatus
- Patent number 5,845,183
- Issue date Dec 1, 1998
- Ricoh Company, Ltd.
- Toshihiro Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for an electrophotographic recording apparatus in...
- Patent number 5,826,144
- Issue date Oct 20, 1998
- Ricoh Company, Ltd.
- Eiji Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with bias control to prevent undesirable to...
- Patent number 5,768,665
- Issue date Jun 16, 1998
- Ricoh Company, Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for electrophotographic image forming apparatus
- Patent number 5,717,981
- Issue date Feb 10, 1998
- Ricoh Company Ltd.
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for an image forming apparatus
- Patent number 5,708,942
- Issue date Jan 13, 1998
- Ricoh Company, Ltd.
- Toshihiro Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having the lengths of two toner transporting roll...
- Patent number 5,697,026
- Issue date Dec 9, 1997
- Ricoh Company, Ltd.
- Iwao Matsumae
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus for electronic photographic recording equipmen...
- Patent number 5,689,782
- Issue date Nov 18, 1997
- Ricoh Company, Ltd.
- Eisaku Murakami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR IMAGE FORMING CAPABLE OF EFFECTIVELY PERFO...
- Publication number 20100067937
- Publication date Mar 18, 2010
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING CONTROLLER DRIVING IMAGE CARRIERS
- Publication number 20090154947
- Publication date Jun 18, 2009
- Tetsuo YAMANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD AND APPARATUS FOR IMAGE FORMING CAPABLE OF EFFECTIVELY PERFO...
- Publication number 20090116855
- Publication date May 7, 2009
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CONTROLLING SYSTEM
- Publication number 20090041481
- Publication date Feb 12, 2009
- Masaharu IIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
METHOD AND APPARATUS FOR IMAGE FORMING CAPABLE OF EFFECTIVELY PERFO...
- Publication number 20080310867
- Publication date Dec 18, 2008
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING CONTROLLER DRIVING IMAGE CARRIERS
- Publication number 20080187364
- Publication date Aug 7, 2008
- Tetsuo YAMANAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus including controller driving image carriers
- Publication number 20070036589
- Publication date Feb 15, 2007
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of effectively perfo...
- Publication number 20050185206
- Publication date Aug 25, 2005
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of effectively perfo...
- Publication number 20040119805
- Publication date Jun 24, 2004
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040114972
- Publication date Jun 17, 2004
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color image forming apparatus, tandem type color image forming appa...
- Publication number 20040109708
- Publication date Jun 10, 2004
- Kazuhiko Kobayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color offset detecting apparatus and method
- Publication number 20040033090
- Publication date Feb 19, 2004
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030223784
- Publication date Dec 4, 2003
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20020191991
- Publication date Dec 19, 2002
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for image forming capable of effectively perfo...
- Publication number 20020136570
- Publication date Sep 26, 2002
- Tetsuo Yamanaka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Method and apparatus for image forming capable of effectively perfo...
- Publication number 20020089579
- Publication date Jul 11, 2002
- Tetsuo Yamanaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tetsuo Yamanaka

Person

Patents Grantslast 30 patents

Image forming apparatus and control system

Method and apparatus for image forming capable of effectively perfo...

Image forming apparatus including controller driving image carriers

Method and apparatus for image forming capable of effectively perfo...

Image forming apparatus including controller driving image carriers

Method and apparatus for image forming capable of effectively perfo...

Image forming apparatus including controller driving image carriers

Method and apparatus for image forming capable of effectively perfo...

Image forming apparatus including controller driving image carriers

Color image forming apparatus, tandem type color image forming appa...

Color offset detecting apparatus and method

Method and apparatus for image forming capable of effectively perfo...

Image forming apparatus including driving means disposed downstream...

Method and apparatus for image forming capable of effectively perfo...

Method and apparatus for image forming capable of effectively perfo...

Image forming apparatus including controller to start driving movab...

Developing device, process cartridge and image forming apparatus th...

Process cartridge and an image forming apparatus using the same pro...

Toner cartridge

Developing device for an image forming apparatus

Process cartridge and image-formation device suitable for miniaturi...

Electrophotographic recording apparatus configured to switch a bias...

Method of coating a toner conveyor roller

Developing device for an image forming apparatus

Developing device for an electrophotographic recording apparatus in...

Image forming apparatus with bias control to prevent undesirable to...

Developing device for electrophotographic image forming apparatus

Developing device for an image forming apparatus

Developing device having the lengths of two toner transporting roll...

Developing apparatus for electronic photographic recording equipmen...

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR IMAGE FORMING CAPABLE OF EFFECTIVELY PERFO...

IMAGE FORMING APPARATUS INCLUDING CONTROLLER DRIVING IMAGE CARRIERS

METHOD AND APPARATUS FOR IMAGE FORMING CAPABLE OF EFFECTIVELY PERFO...

IMAGE FORMING APPARATUS AND CONTROLLING SYSTEM

METHOD AND APPARATUS FOR IMAGE FORMING CAPABLE OF EFFECTIVELY PERFO...

IMAGE FORMING APPARATUS INCLUDING CONTROLLER DRIVING IMAGE CARRIERS

Image forming apparatus including controller driving image carriers

Method and apparatus for image forming capable of effectively perfo...

Method and apparatus for image forming capable of effectively perfo...

Image forming apparatus

Color image forming apparatus, tandem type color image forming appa...

Color offset detecting apparatus and method

Image forming apparatus

Image forming apparatus

Method and apparatus for image forming capable of effectively perfo...

Method and apparatus for image forming capable of effectively perfo...