Masafumi Takahira

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus
- Patent number 8,923,730
- Issue date Dec 30, 2014
- Ricoh Company, Ltd.
- Haruo Hashimoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,873,977
- Issue date Oct 28, 2014
- Ricoh Company, Ltd.
- Masafumi Takahira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,831,463
- Issue date Sep 9, 2014
- Ricoh Company, Ltd.
- Kazuyoshi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, optional sheet feeder, and base plate member
- Patent number 8,807,552
- Issue date Aug 19, 2014
- Ricoh Company, Limited
- Kazuyoshi Kondo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet supplying device and image forming apparatus incorporating same
- Patent number 8,798,517
- Issue date Aug 5, 2014
- Ricoh Company, Ltd.
- Yasuo Matsuyama
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Open/close mechanism for paper tray for use in image forming apparatus
- Patent number 8,561,979
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Toshikane Nishii
- 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
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
Sheet conveying device and image forming apparatus
- Patent number 8,320,798
- Issue date Nov 27, 2012
- Ricoh Company, Ltd.
- Shigeo Nanno
- 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 device
- Patent number 8,260,187
- Issue date Sep 4, 2012
- Ricoh Company, Ltd.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Feeding device and image forming apparatus
- Patent number 8,256,769
- Issue date Sep 4, 2012
- Ricoh Company, Ltd.
- Masafumi Takahira
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet feeding device and image forming apparatus
- Patent number 8,240,657
- Issue date Aug 14, 2012
- Ricoh Company, Ltd.
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Open/close mechanism for paper tray for use in image forming apparatus
- Patent number 8,118,296
- Issue date Feb 21, 2012
- Ricoh Company, Ltd.
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Switchback mechanism and image forming apparatus
- Patent number 8,070,159
- Issue date Dec 6, 2011
- Ricoh Company, Limited
- Haruyuki Honda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet conveying device and image forming apparatus
- Patent number 8,045,888
- Issue date Oct 25, 2011
- Ricoh Company, Ltd.
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet feeding device, image forming apparatus, and sheet feeding me...
- Patent number 7,992,860
- Issue date Aug 9, 2011
- Ricoh Company, Ltd.
- Ippei Kimura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Sheet loading device, sheet conveying device, and image forming app...
- Patent number 7,963,520
- Issue date Jun 21, 2011
- Ricoh Company, Limited
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Feeding device and image forming apparatus
- Patent number 7,954,814
- Issue date Jun 7, 2011
- Ricoh Company, Ltd.
- Masafumi Takahira
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Switchback mechanism and image forming apparatus
- Patent number 7,918,451
- Issue date Apr 5, 2011
- Ricoh Company, Limited
- Haruyuki Honda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus having removable units
- Patent number 7,878,725
- Issue date Feb 1, 2011
- Ricoh Company, Ltd.
- Yasuhide Ohkubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus with a phase of a first load torque substan...
- Patent number 7,869,750
- Issue date Jan 11, 2011
- Ricoh Company, Limited
- Toru Hanashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sliding mechanism, sheet guide, sheet loading device, and image for...
- Patent number 7,731,182
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Toshikane Nishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Open/close mechanism for paper tray for use in image forming apparatus
- Patent number 7,731,170
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying apparatus and image forming apparatus with vibratio...
- Patent number 7,677,555
- Issue date Mar 16, 2010
- Ricoh Company, Limited
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus including cover and supporting unit
- Patent number 7,676,176
- Issue date Mar 9, 2010
- Ricoh Company, Limited
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130266340
- Publication date Oct 10, 2013
- Haruo HASHIMOTO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130243445
- Publication date Sep 19, 2013
- RICOH COMPANY, LTD.
- Masafumi TAKAHIRA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120315061
- Publication date Dec 13, 2012
- Kazuyoshi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPEN/CLOSE MECHANISM FOR PAPER TRAY FOR USE IN IMAGE FORMING APPARATUS
- Publication number 20120104685
- Publication date May 3, 2012
- RICOH COMPANY, LTD.
- Toshikane NISHII
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet supplying device and image forming apparatus incorporating same
- Publication number 20120063829
- Publication date Mar 15, 2012
- RICOH COMPANY, LTD.
- Yasuo Matsuyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet conveying device and image forming apparatus
- Publication number 20120007307
- Publication date Jan 12, 2012
- Shigeo NANNO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Feeding device and image forming apparatus
- Publication number 20110204556
- Publication date Aug 25, 2011
- Masafumi Takahira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Switchback mechanism and image forming apparatus
- Publication number 20110127707
- Publication date Jun 2, 2011
- Haruyuki Honda
- 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
- Publication number 20110058847
- Publication date Mar 10, 2011
- Ricoh Company, Limited
- Yuusuke FURUICHI
- 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
Open/close mechanism for paper tray for use in image forming apparatus
- Publication number 20100201059
- Publication date Aug 12, 2010
- Toshikane Nishii
- 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
Sheet feeding device, image forming apparatus, and sheet feeding me...
- Publication number 20090315250
- Publication date Dec 24, 2009
- Ricoh Company, Ltd.
- Ippei Kimura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Image forming apparatus, optional sheet feeder, and base plate member
- Publication number 20090302521
- Publication date Dec 10, 2009
- Ricoh Company, Limited
- Kazuyoshi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet conveying apparatus and image forming apparatus
- Publication number 20090174135
- Publication date Jul 9, 2009
- Ricoh Company, Limited
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Sheet feeding device and image forming apparatus
- Publication number 20090121418
- Publication date May 14, 2009
- Ricoh Company, Ltd.
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Image forming device
- Publication number 20090110459
- Publication date Apr 30, 2009
- Ricoh Company, Ltd.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20090022514
- Publication date Jan 22, 2009
- Ricoh Company, Limited
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Switchback mechanism and image forming apparatus
- Publication number 20080284090
- Publication date Nov 20, 2008
- Ricoh Company, Limited
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet discharging device and image forming apparatus
- Publication number 20080273908
- Publication date Nov 6, 2008
- Ricoh Company, Limited
- Yasuhide Ohkubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet loading device, sheet conveying device, and image forming app...
- Publication number 20080237970
- Publication date Oct 2, 2008
- Mizuna Tanaka
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Image forming apparatus
- Publication number 20080226358
- Publication date Sep 18, 2008
- Ricoh Company, Limited
- Toru Hanashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Feeding device and image forming apparatus
- Publication number 20080224385
- Publication date Sep 18, 2008
- Ricoh Company, Limited
- Masafumi Takahira
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sliding Mechanism, sheet guide, sheet loading device, and image for...
- Publication number 20080143046
- Publication date Jun 19, 2008
- Toshikane Nishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Open/close mechanism for paper tray for use in image forming apparatus
- Publication number 20080054554
- Publication date Mar 6, 2008
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080006166
- Publication date Jan 10, 2008
- Yasuhide Ohkubo
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Conveying device and image forming apparatus
- Publication number 20070172255
- Publication date Jul 26, 2007
- Ricoh Company, Limited
- Shigeo Nanno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet conveying apparatus and image forming apparatus
- Publication number 20070065201
- Publication date Mar 22, 2007
- Ricoh Company, Limited
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Masafumi Takahira

Person

Patents Grantslast 30 patents

Image forming apparatus

Image forming apparatus

Image forming apparatus

Image forming apparatus, optional sheet feeder, and base plate member

Sheet supplying device and image forming apparatus incorporating same

Interlock system and image forming apparatus incorporating interloc...

Open/close mechanism for paper tray for use in image forming apparatus

Image forming apparatus having toner passage blocking mechanism

Image forming apparatus performing image formation by conveying paper

Sheet conveying device and image forming apparatus

Interlock device and image forming apparatus incorporating same

Image forming device

Feeding device and image forming apparatus

Sheet feeding device and image forming apparatus

Open/close mechanism for paper tray for use in image forming apparatus

Switchback mechanism and image forming apparatus

Sheet conveying device and image forming apparatus

Sheet feeding device, image forming apparatus, and sheet feeding me...

Housing structure and image forming apparatus

Sheet loading device, sheet conveying device, and image forming app...

Feeding device and image forming apparatus

Switchback mechanism and image forming apparatus

Image forming apparatus having removable units

Image forming apparatus with a phase of a first load torque substan...

Sliding mechanism, sheet guide, sheet loading device, and image for...

Open/close mechanism for paper tray for use in image forming apparatus

Sheet conveying apparatus and image forming apparatus with vibratio...

Image forming apparatus including cover and supporting unit

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

OPEN/CLOSE MECHANISM FOR PAPER TRAY FOR USE IN IMAGE FORMING APPARATUS

Sheet supplying device and image forming apparatus incorporating same

Sheet conveying device and image forming apparatus

Feeding device and image forming apparatus

Interlock System And Image Forming Apparatus Incorporating Interloc...

Switchback mechanism and image forming apparatus

Image forming apparatus

Image forming apparatus

Interlock Device And Image Forming Apparatus Incorporating Same

Open/close mechanism for paper tray for use in image forming apparatus

Housing Structure and Image Forming Apparatus

Sheet feeding device, image forming apparatus, and sheet feeding me...

Image forming apparatus, optional sheet feeder, and base plate member

Sheet conveying apparatus and image forming apparatus

Sheet feeding device and image forming apparatus

Image forming device

Image forming apparatus

Switchback mechanism and image forming apparatus

Sheet discharging device and image forming apparatus

Sheet loading device, sheet conveying device, and image forming app...

Image forming apparatus

Feeding device and image forming apparatus

Sliding Mechanism, sheet guide, sheet loading device, and image for...

Open/close mechanism for paper tray for use in image forming apparatus

Image forming apparatus

Conveying device and image forming apparatus

Sheet conveying apparatus and image forming apparatus