Sei Onuma

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Moving device assembly and image forming apparatus including the mo...
- Patent number 9,182,719
- Issue date Nov 10, 2015
- Ricoh Company, Ltd.
- Yuuki Shiga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Moving device assembly and image forming apparatus including the mo...
- Patent number 9,025,986
- Issue date May 5, 2015
- Ricoh Company, Ltd.
- Yuuki Shiga
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Interlock system and image forming apparatus incorporating interloc...
- Patent number 8,611,783
- Issue date Dec 17, 2013
- Ricoh Company, Ltd.
- Sei Onuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having toner passage blocking mechanism
- Patent number 8,526,853
- Issue date Sep 3, 2013
- Ricoh Company, Limited
- Kaoru Tada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper feeder and image forming apparatus
- Patent number 8,424,863
- Issue date Apr 23, 2013
- Ricoh Company, Ltd.
- Nobuhiko Kita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Swing-gear mechanism and image forming apparatus having multiple sp...
- Patent number 8,417,155
- Issue date Apr 9, 2013
- Ricoh Company Limited
- Tatsuo Fukushima
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Image forming apparatus having developing device cooling mechanism,...
- Patent number 8,417,142
- Issue date Apr 9, 2013
- Ricoh Company, Limited
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus performing image formation by conveying paper
- Patent number 8,412,056
- Issue date Apr 2, 2013
- Ricoh Company Limited
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Interlock device and image forming apparatus incorporating same
- Patent number 8,311,438
- Issue date Nov 13, 2012
- Ricoh Company, Ltd.
- Sei Onuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,169,460
- Issue date May 1, 2012
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a mechanism for reliably mounting...
- Patent number 8,050,593
- Issue date Nov 1, 2011
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper feeder and image forming apparatus
- Patent number 8,020,848
- Issue date Sep 20, 2011
- Ricoh Company, Ltd.
- Nobuhiko Kita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus including a latent image carrier and an exp...
- Patent number 8,010,012
- Issue date Aug 30, 2011
- Ricoh Company, Limited
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Housing structure and image forming apparatus
- Patent number 7,983,596
- Issue date Jul 19, 2011
- Ricoh Company, Limited
- Genta Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge having air inlets and outlets for cooling gears d...
- Patent number 7,941,069
- Issue date May 10, 2011
- Ricoh Company, Limited
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having a development device mixing and conv...
- Patent number 7,937,015
- Issue date May 3, 2011
- Ricoh Company, Ltd.
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,925,199
- Issue date Apr 12, 2011
- Ricoh Company, Limited
- Kaoru Tada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including supporting legs
- Patent number 7,854,418
- Issue date Dec 21, 2010
- Ricoh Company, Ltd.
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,844,196
- Issue date Nov 30, 2010
- Ricoh Company, Ltd.
- Nobuhiko Kita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,835,661
- Issue date Nov 16, 2010
- Ricoh Company, Limited
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,751,749
- Issue date Jul 6, 2010
- Ricoh Company, Limited
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Attaching structure of supporting legs for apparatus
- Patent number 7,611,106
- Issue date Nov 3, 2009
- Ricoh Company, Ltd.
- Kazuyoshi Kondo
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
MOVING DEVICE ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING THE MO...
- Publication number 20150220033
- Publication date Aug 6, 2015
- Yuuki SHIGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
MOVING DEVICE ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING THE MO...
- Publication number 20130322910
- Publication date Dec 5, 2013
- Yuuki SHIGA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Paper feeder and image forming apparatus
- Publication number 20110298171
- Publication date Dec 8, 2011
- Nobuhiko Kita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Interlock System And Image Forming Apparatus Incorporating Interloc...
- Publication number 20110182614
- Publication date Jul 28, 2011
- RICOH COMPANY, LTD.
- Sei Onuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20110064456
- Publication date Mar 17, 2011
- Ricoh Company, Limited
- Kaoru Tada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING SUPPORTING LEGS
- Publication number 20110062835
- Publication date Mar 17, 2011
- Ryoh IDEHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20110058847
- Publication date Mar 10, 2011
- Ricoh Company, Limited
- Yuusuke FURUICHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Swing-gear mechanism and image forming apparatus having multiple sp...
- Publication number 20110052261
- Publication date Mar 3, 2011
- Ricoh Company, Ltd.
- Tatsuo Fukushima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Interlock Device And Image Forming Apparatus Incorporating Same
- Publication number 20100239307
- Publication date Sep 23, 2010
- RICOH COMPANY, LTD.
- Sei ONUMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Housing Structure and Image Forming Apparatus
- Publication number 20100067942
- Publication date Mar 18, 2010
- Ricoh Company, Ltd.
- Genta Hagiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20100061755
- Publication date Mar 11, 2010
- Yuusuke FURUICHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR
- Publication number 20090285588
- Publication date Nov 19, 2009
- Yuusuke FURUICHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Attaching structure of supporting legs for apparatus
- Publication number 20090152435
- Publication date Jun 18, 2009
- Ricoh Company, Ltd.
- Kazuyoshi Kondo
- G05 - CONTROLLING REGULATING
Information Patent Application
Image forming apparatus
- Publication number 20090110432
- Publication date Apr 30, 2009
- Ricoh Company, Limited
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20090080937
- Publication date Mar 26, 2009
- Ricoh Company, Limited
- Nobuhiko Kita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20090074456
- Publication date Mar 19, 2009
- Kaoru Tada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20090074446
- Publication date Mar 19, 2009
- Ricoh Company, Limited
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS UNIT
- Publication number 20080292356
- Publication date Nov 27, 2008
- Yuusuke FURUICHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080279585
- Publication date Nov 13, 2008
- Ricoh Company, Limited
- Yuusuke Furuichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080253796
- Publication date Oct 16, 2008
- Ricoh Company, Limited
- Ryoh Idehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Paper feeder and image forming apparatus
- Publication number 20080174065
- Publication date Jul 24, 2008
- Nobuhiko Kita
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20080063425
- Publication date Mar 13, 2008
- Ryoh IDEHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING SUPPORTING LEGS
- Publication number 20070246638
- Publication date Oct 25, 2007
- Ryoh IDEHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Person

Patents Grantslast 30 patents

Moving device assembly and image forming apparatus including the mo...

Moving device assembly and image forming apparatus including the mo...

Interlock system and image forming apparatus incorporating interloc...

Image forming apparatus having toner passage blocking mechanism

Paper feeder and image forming apparatus

Swing-gear mechanism and image forming apparatus having multiple sp...

Image forming apparatus having developing device cooling mechanism,...

Image forming apparatus performing image formation by conveying paper

Interlock device and image forming apparatus incorporating same

Image forming apparatus

Image forming apparatus including a mechanism for reliably mounting...

Paper feeder and image forming apparatus

Image forming apparatus including a latent image carrier and an exp...

Housing structure and image forming apparatus

Process cartridge having air inlets and outlets for cooling gears d...

Image forming apparatus having a development device mixing and conv...

Image forming apparatus

Image forming apparatus including supporting legs

Image forming apparatus

Image forming apparatus

Image forming apparatus

Attaching structure of supporting legs for apparatus

Patents Applicationslast 30 patents

MOVING DEVICE ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING THE MO...

MOVING DEVICE ASSEMBLY AND IMAGE FORMING APPARATUS INCLUDING THE MO...

Paper feeder and image forming apparatus

Interlock System And Image Forming Apparatus Incorporating Interloc...

Image forming apparatus

IMAGE FORMING APPARATUS INCLUDING SUPPORTING LEGS

Image forming apparatus

Swing-gear mechanism and image forming apparatus having multiple sp...

Interlock Device And Image Forming Apparatus Incorporating Same

Housing Structure and Image Forming Apparatus

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND CONTROL METHOD THEREFOR

Attaching structure of supporting legs for apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus

IMAGE FORMING APPARATUS AND PROCESS UNIT

Image forming apparatus

Image forming apparatus

Paper feeder and image forming apparatus

PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS INCLUDING SUPPORTING LEGS