Yasushi Akiba

Person

Tokyo-to, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cleaning unit, process cartridge incorporating same, and image form...
- Patent number 8,315,535
- Issue date Nov 20, 2012
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,280,293
- Issue date Oct 2, 2012
- Ricoh Company, Limited
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge having a charging unit
- Patent number 8,204,422
- Issue date Jun 19, 2012
- Ricoh Company, Limited
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device with accumulation prevention, process cartridge, an...
- Patent number 8,204,423
- Issue date Jun 19, 2012
- Ricoh Company, Ltd.
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with coating mode
- Patent number 8,095,059
- Issue date Jan 10, 2012
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, and charging device and process cartridge...
- Patent number 7,995,947
- Issue date Aug 9, 2011
- Ricoh Company, Ltd.
- Kaoru Yoshino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricating device, lubricant applicator, and priming agent used th...
- Patent number 7,899,383
- Issue date Mar 1, 2011
- Ricoh Company Limited
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge including charging bi...
- Patent number 7,873,291
- Issue date Jan 18, 2011
- Ricoh Company Limited
- Akio Kosuge
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning unit, image carrying unit and image forming apparatus usin...
- Patent number 7,835,683
- Issue date Nov 16, 2010
- Ricoh Company, Ltd.
- Takaya Muraishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge used therein
- Patent number 7,756,439
- Issue date Jul 13, 2010
- Ricoh Company Limited
- Akio Kosuge
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device for removing toner from an image bearing member
- Patent number 7,532,849
- Issue date May 12, 2009
- Ricoh Company, Ltd.
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning device and image forming apparatus using the same
- Patent number 6,868,252
- Issue date Mar 15, 2005
- Ricoh Company, Ltd.
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming method and apparatus with toner recycling unit
- Patent number 6,577,842
- Issue date Jun 10, 2003
- Ricoh Company, Ltd.
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recycling system and recycling method
- Patent number 6,529,788
- Issue date Mar 4, 2003
- Ricoh Company, Ltd.
- Tatsuo Tani
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Recyclable toner container for an image forming apparatus
- Patent number 5,983,059
- Issue date Nov 9, 1999
- Ricoh Company, Ltd.
- Seiji Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Apparatus and method for cleaning a transfer device of an image for...
- Patent number 5,857,132
- Issue date Jan 5, 1999
- Ricoh Company, Ltd.
- Haruji Mizuishi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing machine which uses a developing agent including a toner...
- Patent number 5,822,664
- Issue date Oct 13, 1998
- Ricoh Company, Ltd.
- Seiji Oka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for an image forming apparatus having developer d...
- Patent number 5,805,965
- Issue date Sep 8, 1998
- Ricoh Company, Ltd.
- Kiyonori Tsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device capable of automatic toner content control
- Patent number 5,771,429
- Issue date Jun 23, 1998
- Ricoh Company, Ltd.
- Hajime Oyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for an image forming apparatus
- Patent number 5,758,241
- Issue date May 26, 1998
- Ricoh Company, Ltd.
- Hajime Oyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device for an image forming apparatus and toner cartridge
- Patent number 5,659,860
- Issue date Aug 19, 1997
- Ricoh Company, Ltd.
- Fumihiro Sasaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Image forming apparatus
- Publication number 20110026992
- Publication date Feb 3, 2011
- Ricoh Company, Limited
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning unit, process cartriedge incorporating same, and image for...
- Publication number 20100189461
- Publication date Jul 29, 2010
- Ricoh Company, Ltd.
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20090252510
- Publication date Oct 8, 2009
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS INC...
- Publication number 20090185842
- Publication date Jul 23, 2009
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING UNIT, IMAGE CARRYING UNIT AND IMAGE FORMING APPARATUS USIN...
- Publication number 20090142115
- Publication date Jun 4, 2009
- Takaya MURAISHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICATING DEVICE, LUBRICANT APPLICATOR, AND PRIMING AGENT USED TH...
- Publication number 20090103944
- Publication date Apr 23, 2009
- Takeshi Shintani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USED THEREIN
- Publication number 20090060554
- Publication date Mar 5, 2009
- Akio KOSUGE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, AND CHARGING DEVICE AND PROCESS CARTRIDGE...
- Publication number 20090052939
- Publication date Feb 26, 2009
- Kaoru Yoshino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20090010693
- Publication date Jan 8, 2009
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE
- Publication number 20080304843
- Publication date Dec 11, 2008
- Akio KOSUGE
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method and apparatus for effectively removing toner
- Publication number 20070009293
- Publication date Jan 11, 2007
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device and image forming apparatus using the same
- Publication number 20030002896
- Publication date Jan 2, 2003
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming method and apparatus with toner recycling unit
- Publication number 20020064408
- Publication date May 30, 2002
- Yasushi Akiba
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Yasushi Akiba

Person

Patents Grantslast 30 patents

Cleaning unit, process cartridge incorporating same, and image form...

Image forming apparatus

Image forming apparatus and process cartridge having a charging unit

Cleaning device with accumulation prevention, process cartridge, an...

Image forming apparatus with coating mode

Image forming apparatus, and charging device and process cartridge...

Lubricating device, lubricant applicator, and priming agent used th...

Image forming apparatus and process cartridge including charging bi...

Cleaning unit, image carrying unit and image forming apparatus usin...

Image forming apparatus and process cartridge used therein

Cleaning device for removing toner from an image bearing member

Cleaning device and image forming apparatus using the same

Image forming method and apparatus with toner recycling unit

Recycling system and recycling method

Recyclable toner container for an image forming apparatus

Apparatus and method for cleaning a transfer device of an image for...

Developing machine which uses a developing agent including a toner...

Developing device for an image forming apparatus having developer d...

Developing device capable of automatic toner content control

Developing device for an image forming apparatus

Developing device for an image forming apparatus and toner cartridge

Patents Applicationslast 30 patents

Image forming apparatus

Cleaning unit, process cartriedge incorporating same, and image for...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS INC...

CLEANING UNIT, IMAGE CARRYING UNIT AND IMAGE FORMING APPARATUS USIN...

LUBRICATING DEVICE, LUBRICANT APPLICATOR, AND PRIMING AGENT USED TH...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE USED THEREIN

IMAGE FORMING APPARATUS, AND CHARGING DEVICE AND PROCESS CARTRIDGE...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE

Image forming method and apparatus for effectively removing toner

Cleaning device and image forming apparatus using the same

Image forming method and apparatus with toner recycling unit