Yuuji Sawai

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Belt tracking system, multi-roller assembly and image forming appar...
- Patent number 9,561,912
- Issue date Feb 7, 2017
- Ricoh Company, Ltd.
- Yoshiki Hozumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt tracking system, multi-roller assembly and image forming appar...
- Patent number 9,376,257
- Issue date Jun 28, 2016
- Ricoh Company, Ltd.
- Yoshiki Hozumi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt positioning system, multi-roller assembly and image forming ap...
- Patent number 9,260,248
- Issue date Feb 16, 2016
- Ricoh Company, Ltd.
- Akira Asaoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt tracking system, roller assembly, and image forming apparatus...
- Patent number 9,238,552
- Issue date Jan 19, 2016
- Ricoh Company, Ltd.
- Yoshiki Hozumi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt positioning system, multi-roller assembly and image forming ap...
- Patent number 9,145,258
- Issue date Sep 29, 2015
- Ricoh Company, Ltd.
- Akira Asaoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt tracking system, multi-roller assembly and image forming appar...
- Patent number 8,944,243
- Issue date Feb 3, 2015
- Ricoh Company, Ltd.
- Yoshiki Hozumi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt positioning system, multi-roller assembly and image forming ap...
- Patent number 8,657,104
- Issue date Feb 25, 2014
- Ricoh Company, Ltd.
- Akira Asaoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Belt member, transfer unit incorporating same, image forming appara...
- Patent number 8,014,708
- Issue date Sep 6, 2011
- Ricoh Company, Limited
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Endless belt member, transfer unit incorporating same, and image fo...
- Patent number 7,953,355
- Issue date May 31, 2011
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using toner including an external additive...
- Patent number 7,860,438
- Issue date Dec 28, 2010
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of preventing generation of residua...
- Patent number 7,809,314
- Issue date Oct 5, 2010
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device, image forming apparatus and method for evaluating...
- Patent number 7,742,729
- Issue date Jun 22, 2010
- Ricoh Company Limited
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,684,741
- Issue date Mar 23, 2010
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for detecting amount of toner deposit and controlling den...
- Patent number 7,610,004
- Issue date Oct 27, 2009
- Ricoh Company, Ltd.
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device and image forming apparatus for enhancement of an i...
- Patent number 7,502,583
- Issue date Mar 10, 2009
- Ricoh Company, Limited
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer device for forming a stable transfer electric field, and a...
- Patent number 7,346,287
- Issue date Mar 18, 2008
- Ricoh Company, Ltd.
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for evaluating changes in resistance of electric resistance...
- Patent number 7,280,792
- Issue date Oct 9, 2007
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Belt member, belt driving unit, and image forming apparatus
- Patent number 7,277,662
- Issue date Oct 2, 2007
- Ricoh Company, Limited
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus for detecting amount of toner deposit and controlling den...
- Patent number 7,203,433
- Issue date Apr 10, 2007
- Ricoh Company, Ltd.
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Tandem color image forming apparatus with an image transfer belt an...
- Patent number 7,174,124
- Issue date Feb 6, 2007
- Ricoh Company, Ltd.
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Intermediate image transfer device for a color image forming apparatus
- Patent number 7,003,238
- Issue date Feb 21, 2006
- Ricoh Company, Ltd.
- Ken Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image transferring device and recording me...
- Patent number 6,983,121
- Issue date Jan 3, 2006
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including an intermediate image transfer be...
- Patent number 6,901,234
- Issue date May 31, 2005
- Ricoh Company, Ltd.
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with photoconductive element and intermedia...
- Patent number 6,885,842
- Issue date Apr 26, 2005
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer bias applying method for an image forming apparatus and de...
- Patent number 6,829,450
- Issue date Dec 7, 2004
- Ricoh Company, Ltd.
- Takahiro Tamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with variable speed transferring and fixing...
- Patent number 6,823,149
- Issue date Nov 23, 2004
- Ricoh Company, Ltd.
- Takahiro Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, image transferring device and recording me...
- Patent number 6,813,471
- Issue date Nov 2, 2004
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including image transfer body with elastic...
- Patent number 6,785,500
- Issue date Aug 31, 2004
- Ricoh Company, Ltd.
- Mitsuru Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with a photoconductive element and intermed...
- Patent number 6,768,892
- Issue date Jul 27, 2004
- Ricoh Company, Ltd.
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, and process cartridge for use in image for...
- Patent number 6,741,821
- Issue date May 25, 2004
- Ricoh Company, Ltd.
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...
- Publication number 20160251166
- Publication date Sep 1, 2016
- Yoshiki HOZUMI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT POSITIONING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING AP...
- Publication number 20150344227
- Publication date Dec 3, 2015
- Akira Asaoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT TRACKING SYSTEM, ROLLER ASSEMBLY, AND IMAGE FORMING APPARATUS...
- Publication number 20140183007
- Publication date Jul 3, 2014
- Yoshiki Hozumi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...
- Publication number 20140083821
- Publication date Mar 27, 2014
- Yoshiki Hozumi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...
- Publication number 20140008184
- Publication date Jan 9, 2014
- Yoshiki Hozumi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT POSITIONING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING AP...
- Publication number 20130306440
- Publication date Nov 21, 2013
- Akira Asaoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
BELT POSITIONING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING AP...
- Publication number 20130306441
- Publication date Nov 21, 2013
- Akira Asaoka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100239335
- Publication date Sep 23, 2010
- Yuuji SAWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ENDLESS BELT MEMBER, TRANSFER UNIT INCORPORATING SAME, AND IMAGE FO...
- Publication number 20100021216
- Publication date Jan 28, 2010
- Yuuji SAWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
BELT MEMBER, TRANSFER UNIT INCORPORATING SAME, IMAGE FORMING APPARA...
- Publication number 20090148201
- Publication date Jun 11, 2009
- Yuuji SAWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20080003024
- Publication date Jan 3, 2008
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TRANSFER DEVICE, IMAGE FORMING APPARATUS AND METHOD FOR EVALUATING...
- Publication number 20070280749
- Publication date Dec 6, 2007
- Yuuji SAWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20070269241
- Publication date Nov 22, 2007
- Yuuji SAWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
APPARATUS FOR DETECTING AMOUNT OF TONER DEPOSIT AND CONTROLLING DEN...
- Publication number 20070134014
- Publication date Jun 14, 2007
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS CAPABLE OF PREVENTING GENERATION OF RESIDUA...
- Publication number 20070134029
- Publication date Jun 14, 2007
- Yuuji SAWAI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Transfer device for forming a stable transfer electric field, and a...
- Publication number 20060127116
- Publication date Jun 15, 2006
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Transfer device and image forming apparatus
- Publication number 20060056884
- Publication date Mar 16, 2006
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Belt member, belt driving unit, and image forming apparatus
- Publication number 20050286930
- Publication date Dec 29, 2005
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Apparatus for detecting amount of toner deposit and controlling den...
- Publication number 20050147424
- Publication date Jul 7, 2005
- Shinji Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for evaluating changes in resistance of electric resistance...
- Publication number 20050013636
- Publication date Jan 20, 2005
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Intermediate image transfer type of color image forming apparatus
- Publication number 20040136760
- Publication date Jul 15, 2004
- Ken Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus with photoconductive element and intermedia...
- Publication number 20040136757
- Publication date Jul 15, 2004
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image transferring device and recording me...
- Publication number 20040114974
- Publication date Jun 17, 2004
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Tandem color image forming apparatus
- Publication number 20040109709
- Publication date Jun 10, 2004
- Hitoshi Ishibashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Bias applying method for an image forming apparatus and device for...
- Publication number 20040105692
- Publication date Jun 3, 2004
- Takahiro Tamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus including an intermediate image transfer belt
- Publication number 20030219287
- Publication date Nov 27, 2003
- Hiromi Ogiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030161649
- Publication date Aug 28, 2003
- Takahiro Yoshikawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, image transferring device and recording me...
- Publication number 20030086733
- Publication date May 8, 2003
- Yuuji Sawai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, and process cartridge for use in image for...
- Publication number 20030035660
- Publication date Feb 20, 2003
- Akihiro Sugino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Bias applying method for an image forming apparatus and device for...
- Publication number 20030026625
- Publication date Feb 6, 2003
- Takahiro Tamiya
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yuuji Sawai

Person

Patents Grantslast 30 patents

Belt tracking system, multi-roller assembly and image forming appar...

Belt tracking system, multi-roller assembly and image forming appar...

Belt positioning system, multi-roller assembly and image forming ap...

Belt tracking system, roller assembly, and image forming apparatus...

Belt positioning system, multi-roller assembly and image forming ap...

Belt tracking system, multi-roller assembly and image forming appar...

Belt positioning system, multi-roller assembly and image forming ap...

Belt member, transfer unit incorporating same, image forming appara...

Endless belt member, transfer unit incorporating same, and image fo...

Image forming apparatus using toner including an external additive...

Image forming apparatus capable of preventing generation of residua...

Transfer device, image forming apparatus and method for evaluating...

Image forming apparatus

Apparatus for detecting amount of toner deposit and controlling den...

Transfer device and image forming apparatus for enhancement of an i...

Transfer device for forming a stable transfer electric field, and a...

Method for evaluating changes in resistance of electric resistance...

Belt member, belt driving unit, and image forming apparatus

Apparatus for detecting amount of toner deposit and controlling den...

Tandem color image forming apparatus with an image transfer belt an...

Intermediate image transfer device for a color image forming apparatus

Image forming apparatus, image transferring device and recording me...

Image forming apparatus including an intermediate image transfer be...

Image forming apparatus with photoconductive element and intermedia...

Transfer bias applying method for an image forming apparatus and de...

Image forming apparatus with variable speed transferring and fixing...

Image forming apparatus, image transferring device and recording me...

Image forming apparatus including image transfer body with elastic...

Image forming apparatus with a photoconductive element and intermed...

Image forming apparatus, and process cartridge for use in image for...

Patents Applicationslast 30 patents

BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...

BELT POSITIONING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING AP...

BELT TRACKING SYSTEM, ROLLER ASSEMBLY, AND IMAGE FORMING APPARATUS...

BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...

BELT TRACKING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING APPAR...

BELT POSITIONING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING AP...

BELT POSITIONING SYSTEM, MULTI-ROLLER ASSEMBLY AND IMAGE FORMING AP...

IMAGE FORMING APPARATUS

ENDLESS BELT MEMBER, TRANSFER UNIT INCORPORATING SAME, AND IMAGE FO...

BELT MEMBER, TRANSFER UNIT INCORPORATING SAME, IMAGE FORMING APPARA...

IMAGE FORMING APPARATUS

TRANSFER DEVICE, IMAGE FORMING APPARATUS AND METHOD FOR EVALUATING...

IMAGE FORMING APPARATUS

APPARATUS FOR DETECTING AMOUNT OF TONER DEPOSIT AND CONTROLLING DEN...

IMAGE FORMING APPARATUS CAPABLE OF PREVENTING GENERATION OF RESIDUA...

Transfer device for forming a stable transfer electric field, and a...

Transfer device and image forming apparatus

Belt member, belt driving unit, and image forming apparatus

Apparatus for detecting amount of toner deposit and controlling den...

Method for evaluating changes in resistance of electric resistance...

Intermediate image transfer type of color image forming apparatus

Image forming apparatus with photoconductive element and intermedia...

Image forming apparatus, image transferring device and recording me...

Tandem color image forming apparatus

Bias applying method for an image forming apparatus and device for...

Image forming apparatus including an intermediate image transfer belt

Image forming apparatus

Image forming apparatus, image transferring device and recording me...

Image forming apparatus, and process cartridge for use in image for...

Bias applying method for an image forming apparatus and device for...