Tomoyoshi YAMAZAKI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Sheet feeding device, control method for the sheet feeding device,...
- Patent number 9,187,280
- Issue date Nov 17, 2015
- Ricoh Company, Ltd.
- Toshikane Nishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Fixing device and image forming apparatus incorporating same
- Patent number 8,873,989
- Issue date Oct 28, 2014
- Ricoh Company, Ltd.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and sheet adjusting device incorporated the...
- Patent number 8,851,471
- Issue date Oct 7, 2014
- Ricoh Company, Ltd.
- Tomoyoshi Yamazaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Sheet member position correcting device and image forming apparatus
- Patent number 8,783,440
- Issue date Jul 22, 2014
- Ricoh Company, Limited
- Tomoyoshi Yamazaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet inverting device and image forming apparatus incorporating same
- Patent number 8,752,824
- Issue date Jun 17, 2014
- Ricoh Company, Ltd.
- Hiroshi Fujiwara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Manual sheet-feeding device and image forming apparatus
- Patent number 8,678,371
- Issue date Mar 25, 2014
- Ricoh Company, Limited
- Shigeo Nanno
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus which determines whether a sheet stacking u...
- Patent number 8,666,297
- Issue date Mar 4, 2014
- Ricoh Company, Ltd.
- Haruyuki Honda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet transport mechanism and electrophotographic image forming app...
- Patent number 8,505,913
- Issue date Aug 13, 2013
- Ricoh Company, Limited
- Toshikane Nishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus and control method therefor
- Patent number 8,465,015
- Issue date Jun 18, 2013
- Ricoh Company, Ltd.
- Hiroshi Fujiwara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet feeding device and image forming apparatus incorporating same
- Patent number 8,417,174
- Issue date Apr 9, 2013
- Ricoh Company Limited
- Tomoyoshi Yamazaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Conveyer and image forming apparatus including the same
- Patent number 8,413,982
- Issue date Apr 9, 2013
- Ricoh Company Limited
- Haruyuki Honda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet thickness detector and image forming apparatus using same
- Patent number 8,340,564
- Issue date Dec 25, 2012
- Ricoh Company, Ltd.
- Kazuyoshi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording medium conveyer capable of effectively conveying recordin...
- Patent number 8,322,718
- Issue date Dec 4, 2012
- Ricoh Company, Ltd.
- Hiroshi Fujiwara
- 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
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
Sheet discharge device and image forming apparatus
- Patent number 8,087,666
- Issue date Jan 3, 2012
- Ricoh Company, Ltd.
- Haruyuki Honda
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
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
Recording medium conveyer capable of effectively conveying recordin...
- Patent number 7,900,917
- Issue date Mar 8, 2011
- Ricoh Company, Ltd.
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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
Manual sheet-feeding device and image forming apparatus
- Patent number 7,784,780
- Issue date Aug 31, 2010
- Ricoh Company, Limited
- Shigeo Nanno
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND METHOD OF POSITIONAL ADJUSTMENT IN IMAG...
- Publication number 20150356382
- Publication date Dec 10, 2015
- RICOH COMPANY, LTD.
- Tomoyoshi YAMAZAKI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
IMAGE FORMING APPARATUS AND SHEET ADJUSTING DEVICE INCORPORATED THE...
- Publication number 20130334769
- Publication date Dec 19, 2013
- RICOH COMPANY, LTD.
- Tomoyoshi YAMAZAKI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130243465
- Publication date Sep 19, 2013
- RICOH COMPANY, LTD.
- Haruyuki HONDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET MEMBER POSITION CORRECTING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130168210
- Publication date Jul 4, 2013
- Tomoyoshi YAMAZAKI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET FEEDING DEVICE, CONTROL METHOD FOR THE SHEET FEEDING DEVICE,...
- Publication number 20120146281
- Publication date Jun 14, 2012
- RICOH COMPANY, LTD.
- Toshikane Nishii
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
Image forming apparatus and control method therefor
- Publication number 20110291353
- Publication date Dec 1, 2011
- RICOH COMPANY, LTD.
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet inverting device and image forming apparatus incorporating same
- Publication number 20110285076
- Publication date Nov 24, 2011
- RICOH COMPANY, LTD.
- Hiroshi Fujiwara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Image forming apparatus
- Publication number 20110217058
- Publication date Sep 8, 2011
- RICOH COMPANY, LTD.
- Haruyuki Honda
- 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
Switchback mechanism and image forming apparatus
- Publication number 20110127707
- Publication date Jun 2, 2011
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Recording medium conveyer capable of effectively conveying recordin...
- Publication number 20110115154
- Publication date May 19, 2011
- Hiroshi Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet thickness detector and image forming apparatus using same
- Publication number 20110058829
- Publication date Mar 10, 2011
- Ricoh Company Limited
- Kazuyoshi Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Conveyer and image forming apparatus including the same
- Publication number 20110058873
- Publication date Mar 10, 2011
- RICOH COMPANY, LTD.
- Haruyuki Honda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet transport mechanism and electrophotographic image forming app...
- Publication number 20100314827
- Publication date Dec 16, 2010
- Ricoh Company Ltd.
- Toshikane Nishii
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Manual sheet-feeding device and image forming apparatus
- Publication number 20100276874
- Publication date Nov 4, 2010
- Shigeo Nanno
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Sheet feeding device and image forming apparatus incorporating same
- Publication number 20100221051
- Publication date Sep 2, 2010
- Ricoh Company, Ltd.
- Tomoyoshi Yamazaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Recording medium conveyer capable of effectively conveying recordin...
- Publication number 20100019440
- Publication date Jan 28, 2010
- Ricoh Company, Ltd.
- Hiroshi Fujiwara
- 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 discharge device and image forming apparatus
- Publication number 20090295061
- Publication date Dec 3, 2009
- Ricoh Company, Ltd.
- Haruyuki Honda
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
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
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 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

Tomoyoshi YAMAZAKI

Person

Patents Grantslast 30 patents

Sheet feeding device, control method for the sheet feeding device,...

Fixing device and image forming apparatus incorporating same

Image forming apparatus and sheet adjusting device incorporated the...

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

Sheet supplying device and image forming apparatus incorporating same

Sheet member position correcting device and image forming apparatus

Sheet inverting device and image forming apparatus incorporating same

Manual sheet-feeding device and image forming apparatus

Image forming apparatus which determines whether a sheet stacking u...

Sheet transport mechanism and electrophotographic image forming app...

Image forming apparatus and control method therefor

Sheet feeding device and image forming apparatus incorporating same

Conveyer and image forming apparatus including the same

Sheet thickness detector and image forming apparatus using same

Recording medium conveyer capable of effectively conveying recordin...

Sheet conveying device and image forming apparatus

Image forming device

Feeding device and image forming apparatus

Sheet feeding device and image forming apparatus

Sheet discharge device and 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...

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

Feeding device and image forming apparatus

Switchback mechanism and image forming apparatus

Recording medium conveyer capable of effectively conveying recordin...

Image forming apparatus having removable units

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

Manual sheet-feeding device and image forming apparatus

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND METHOD OF POSITIONAL ADJUSTMENT IN IMAG...

IMAGE FORMING APPARATUS AND SHEET ADJUSTING DEVICE INCORPORATED THE...

FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

SHEET MEMBER POSITION CORRECTING DEVICE AND IMAGE FORMING APPARATUS

SHEET FEEDING DEVICE, CONTROL METHOD FOR THE SHEET FEEDING DEVICE,...

Sheet supplying device and image forming apparatus incorporating same

Sheet conveying device and image forming apparatus

Image forming apparatus and control method therefor

Sheet inverting device and image forming apparatus incorporating same

Image forming apparatus

Feeding device and image forming apparatus

Switchback mechanism and image forming apparatus

Recording medium conveyer capable of effectively conveying recordin...

Sheet thickness detector and image forming apparatus using same

Conveyer and image forming apparatus including the same

Sheet transport mechanism and electrophotographic image forming app...

Manual sheet-feeding device and image forming apparatus

Sheet feeding device and image forming apparatus incorporating same

Recording medium conveyer capable of effectively conveying recordin...

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

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

Sheet discharge device and image forming apparatus

Sheet conveying apparatus and image forming apparatus

Sheet feeding device and image forming apparatus

Image forming device

Switchback mechanism 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...