Ryuji YOSHIDA

Person

Yokohama-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Liquid circulating apparatus and liquid ejecting apparatus
- Patent number 10,864,746
- Issue date Dec 15, 2020
- Ricoh Company, Ltd.
- Yukio Otome
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Liquid discharge head, liquid discharge device, and liquid discharg...
- Patent number 10,179,452
- Issue date Jan 15, 2019
- Ricoh Company, Ltd.
- Masami Iwama
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Image forming apparatus
- Patent number 9,513,574
- Issue date Dec 6, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Paper binding device, paper processing apparatus, image forming app...
- Patent number 9,440,478
- Issue date Sep 13, 2016
- Ricoh Company, Limited
- Wataru Takahashi
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Sheet processing apparatus, image forming system, and image forming...
- Patent number 9,415,560
- Issue date Aug 16, 2016
- Ricoh Company, Ltd.
- Takuya Morinaga
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Development device, process cartridge, image forming apparatus inco...
- Patent number 9,316,950
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet processing apparatus having binding unit and image forming sy...
- Patent number 9,315,356
- Issue date Apr 19, 2016
- Ricoh Company, Ltd.
- Ryuji Yoshida
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Image forming apparatus and image forming method
- Patent number 9,298,125
- Issue date Mar 29, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for attaching crimping members, sheet binding device, and im...
- Patent number 9,254,621
- Issue date Feb 9, 2016
- Ricoh Company, Limited
- Wataru Takahashi
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Image forming apparatus and image density control method employed b...
- Patent number 9,250,593
- Issue date Feb 2, 2016
- Ricoh Company, Ltd.
- Ryusuke Mase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,244,374
- Issue date Jan 26, 2016
- Ricoh Company, Ltd.
- Hiroyuki Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with fixing unit adapted to fix toner inclu...
- Patent number 9,223,261
- Issue date Dec 29, 2015
- Ricoh Company, Ltd.
- Hirohmi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet processing apparatus and image forming system
- Patent number 9,162,839
- Issue date Oct 20, 2015
- Ricoh Company, Ltd.
- Ryuji Yoshida
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Postprocessing apparatus, and image forming apparatus and image for...
- Patent number 9,096,091
- Issue date Aug 4, 2015
- Ricoh Company, Limited
- Yuusuke Shibasaki
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Sheet binding device, sheet processing apparatus, image forming app...
- Patent number 9,090,051
- Issue date Jul 28, 2015
- Ricoh Company, Limited
- Wataru Takahashi
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Electrophotographic image forming apparatus
- Patent number 9,091,969
- Issue date Jul 28, 2015
- Ricoh Company, Ltd.
- Ryuji Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,042,748
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Taichi Urayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder refilling device, process cartridge and image including same...
- Patent number 9,042,778
- Issue date May 26, 2015
- Ricoh Company, Ltd.
- Kazuya Saitoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 9,026,007
- Issue date May 5, 2015
- Ricoh Company, Ltd.
- Takashi Bisaiji
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet processing apparatus and image forming system
- Patent number 9,010,753
- Issue date Apr 21, 2015
- Ricoh Company, Ltd.
- Yuusuke Shibasaki
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus having support members with predetermined e...
- Patent number 8,909,112
- Issue date Dec 9, 2014
- Ricoh Company, Limited
- Tomoko Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying device and image forming apparatus
- Patent number 8,840,103
- Issue date Sep 23, 2014
- Ricoh Company, Limited
- Takashi Fukumoto
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Image forming apparatus with fixing liquid applicator
- Patent number 8,818,255
- Issue date Aug 26, 2014
- Ricoh Company, Ltd.
- Ryuji Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including sealed fixing liquid applying sec...
- Patent number 8,774,694
- Issue date Jul 8, 2014
- Ricoh Company, Ltd.
- Ryuji Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,761,651
- Issue date Jun 24, 2014
- Ricoh Company, Ltd.
- Ryuji Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic image forming method and apparatus with a cover...
- Patent number 8,483,598
- Issue date Jul 9, 2013
- Ricoh Company, Limited
- Shigekazu Enoki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recycling image forming apparatus
- Patent number 8,320,799
- Issue date Nov 27, 2012
- Ricoh Company, Ltd.
- Ryuji Yoshida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Pasting apparatus and image forming apparatus
- Patent number 8,199,381
- Issue date Jun 12, 2012
- Ricoh Company, Limited
- Kazuhisa Sudo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,180,246
- Issue date May 15, 2012
- Ricoh Company, Ltd.
- Shinichi Kawahara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,010,005
- Issue date Aug 30, 2011
- Ricoh Company Limited
- Masaki Sukesako
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
LIQUID CIRCULATING APPARATUS AND LIQUID EJECTING APPARATUS
- Publication number 20180272740
- Publication date Sep 27, 2018
- RICOH COMPANY, LTD.
- Yukio OTOME
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...
- Publication number 20180194135
- Publication date Jul 12, 2018
- Masami IWAMA
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
PHOTOCONDUCTOR CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMIN...
- Publication number 20160320738
- Publication date Nov 3, 2016
- RICOH COMPANY, LTD.
- Takaaki TAWADA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...
- Publication number 20160041494
- Publication date Feb 11, 2016
- RICOH COMPANY, LTD.
- Tomoko TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150139668
- Publication date May 21, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20150139674
- Publication date May 21, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD
- Publication number 20150117884
- Publication date Apr 30, 2015
- Hiroyuki SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20150091246
- Publication date Apr 2, 2015
- RICOH COMPANY, LTD.
- Ryuji Yoshida
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
PAPER BINDING DEVICE, PAPER PROCESSING APPARATUS, IMAGE FORMING APP...
- Publication number 20150093214
- Publication date Apr 2, 2015
- RICOH COMPANY, LIMITED
- Wataru TAKAHASHI
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
SHEET BINDING DEVICE, SHEET PROCESSING APPARATUS, AND IMAGE FORMING...
- Publication number 20150076759
- Publication date Mar 19, 2015
- RICOH COMPANY, LTD.
- Katsuhiro Kosuge
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20150028540
- Publication date Jan 29, 2015
- Yuusuke SHIBASAKI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
METHOD FOR ATTACHING CRIMPING MEMBERS, SHEET BINDING DEVICE, AND IM...
- Publication number 20150030414
- Publication date Jan 29, 2015
- RICOH COMPANY, LIMITED
- Wataru TAKAHASHI
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND IMAGE FORMING...
- Publication number 20150003938
- Publication date Jan 1, 2015
- RICOH COMPANY, LIMITED
- Takuya MORINAGA
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD EMPLOYED B...
- Publication number 20140348521
- Publication date Nov 27, 2014
- Ryusuke Mase
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20140341597
- Publication date Nov 20, 2014
- Taichi URAYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...
- Publication number 20140301747
- Publication date Oct 9, 2014
- RICOH COMPANY, LTD.
- Tomoko TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS
- Publication number 20140255050
- Publication date Sep 11, 2014
- Ryuji YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET BINDING DEVICE, SHEET PROCESSING APPARATUS, IMAGE FORMING APP...
- Publication number 20140219747
- Publication date Aug 7, 2014
- RICOH COMPANY, LIMITED
- Wataru TAKAHASHI
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
POSTPROCESSING APPARATUS, AND IMAGE FORMING APPARATUS AND IMAGE FOR...
- Publication number 20140151951
- Publication date Jun 5, 2014
- RICOH COMPANY, LIMITED
- Yuusuke SHIBASAKI
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20140138896
- Publication date May 22, 2014
- RICOH COMPANY, LIMITED
- Ryuji YOSHIDA
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20140084531
- Publication date Mar 27, 2014
- RICOH COMPANY, LIMITED
- Takashi FUKUMOTO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
POWDER REFILLING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARA...
- Publication number 20140027012
- Publication date Jan 30, 2014
- RICOH COMPANY, LTD.
- Kazuya SAITOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Medium Filling Device And Method
- Publication number 20130248562
- Publication date Sep 26, 2013
- Ryuji YOSHIDA
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20130156466
- Publication date Jun 20, 2013
- Takashi BISAIJI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS WITH FIXING UNIT
- Publication number 20130011171
- Publication date Jan 10, 2013
- RICOH COMPANY, LTD.
- Hirohmi Tamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20120045262
- Publication date Feb 23, 2012
- RICOH COMPANY, LTD.
- Ryuji YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120020706
- Publication date Jan 26, 2012
- RICOH COMPANY, LTD.
- Ryuji YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110229179
- Publication date Sep 22, 2011
- Ryuji YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110064488
- Publication date Mar 17, 2011
- Tomoko TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
RECYCLING IMAGE FORMING APPARATUS
- Publication number 20110064475
- Publication date Mar 17, 2011
- Ryuji YOSHIDA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ryuji YOSHIDA

Person

Patents Grantslast 30 patents

Liquid circulating apparatus and liquid ejecting apparatus

Liquid discharge head, liquid discharge device, and liquid discharg...

Image forming apparatus

Paper binding device, paper processing apparatus, image forming app...

Sheet processing apparatus, image forming system, and image forming...

Development device, process cartridge, image forming apparatus inco...

Sheet processing apparatus having binding unit and image forming sy...

Image forming apparatus and image forming method

Method for attaching crimping members, sheet binding device, and im...

Image forming apparatus and image density control method employed b...

Image forming apparatus

Image forming apparatus with fixing unit adapted to fix toner inclu...

Sheet processing apparatus and image forming system

Postprocessing apparatus, and image forming apparatus and image for...

Sheet binding device, sheet processing apparatus, image forming app...

Electrophotographic image forming apparatus

Image forming apparatus

Powder refilling device, process cartridge and image including same...

Image forming apparatus

Sheet processing apparatus and image forming system

Image forming apparatus having support members with predetermined e...

Sheet conveying device and image forming apparatus

Image forming apparatus with fixing liquid applicator

Image forming apparatus including sealed fixing liquid applying sec...

Image forming apparatus

Electrophotographic image forming method and apparatus with a cover...

Recycling image forming apparatus

Pasting apparatus and image forming apparatus

Image forming apparatus

Image forming apparatus

Patents Applicationslast 30 patents

LIQUID CIRCULATING APPARATUS AND LIQUID EJECTING APPARATUS

LIQUID DISCHARGE HEAD, LIQUID DISCHARGE DEVICE, AND LIQUID DISCHARG...

PHOTOCONDUCTOR CLEANING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMIN...

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

PAPER BINDING DEVICE, PAPER PROCESSING APPARATUS, IMAGE FORMING APP...

SHEET BINDING DEVICE, SHEET PROCESSING APPARATUS, AND IMAGE FORMING...

SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

METHOD FOR ATTACHING CRIMPING MEMBERS, SHEET BINDING DEVICE, AND IM...

SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND IMAGE FORMING...

IMAGE FORMING APPARATUS AND IMAGE DENSITY CONTROL METHOD EMPLOYED B...

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE, IMAGE FORMING APPARATUS INCO...

ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS

SHEET BINDING DEVICE, SHEET PROCESSING APPARATUS, IMAGE FORMING APP...

POSTPROCESSING APPARATUS, AND IMAGE FORMING APPARATUS AND IMAGE FOR...

SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

SHEET CONVEYING DEVICE AND IMAGE FORMING APPARATUS

POWDER REFILLING DEVICE, PROCESS CARTRIDGE AND IMAGE FORMING APPARA...

Medium Filling Device And Method

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS WITH FIXING UNIT

Image forming apparatus

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

RECYCLING IMAGE FORMING APPARATUS