Hidehiko FUJIWARA

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Drive control device, driving device, sheet conveying device, and i...
- Patent number 11,442,391
- Issue date Sep 13, 2022
- Ricoh Company, Ltd.
- Keisuke Sugiyama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stack limiting unit for sheet processing device
- Patent number 10,807,827
- Issue date Oct 20, 2020
- Ricoh Company, Limited
- Wataru Takahashi
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet processing apparatus and image forming system
- Patent number 10,689,221
- Issue date Jun 23, 2020
- Ricoh Company, Ltd.
- Koki Sakano
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Sheet processing device including a staple binding unit and a stapl...
- Patent number 10,562,733
- Issue date Feb 18, 2020
- Ricoh Company, Limited
- Wataru Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet-material supply device
- Patent number 10,513,404
- Issue date Dec 24, 2019
- Ricoh Company, Ltd.
- Takeshi Akai
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet-member separation device, sheet-member separation method, pro...
- Patent number 10,384,897
- Issue date Aug 20, 2019
- Ricoh Company, Ltd.
- Satoru Takano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet processing device and image forming system
- Patent number 10,097,711
- Issue date Oct 9, 2018
- RIOCH COMPANY, LIMITED
- Nobuyoshi Suzuki
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Stacking apparatus
- Patent number 10,065,824
- Issue date Sep 4, 2018
- Ricoh Company, Ltd.
- Yousuke Edo
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Sheet processing apparatus and image forming system
- Patent number 9,944,488
- Issue date Apr 17, 2018
- Ricoh Company, Ltd.
- Akira Kunieda
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Grant
Sheet processing device incuding a stacked-sheet-count limiting uni...
- Patent number 9,725,276
- Issue date Aug 8, 2017
- Ricoh Company, Limited
- Wataru Takahashi
- 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 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
Image reading apparatus and image forming apparatus
- Patent number 9,013,763
- Issue date Apr 21, 2015
- Ricoh Company, Limited
- Hiroshi Kubo
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Automatic document feeder, image reading device including the same,...
- Patent number 8,950,743
- Issue date Feb 10, 2015
- Ricoh Company, Limited
- Koki Sakano
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Fixing device and image forming apparatus using same
- Patent number 8,929,752
- Issue date Jan 6, 2015
- Ricoh Company, Limited
- Yoshihide Ohta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, fixing device, and fixing method
- Patent number 8,774,691
- Issue date Jul 8, 2014
- Ricoh Company, Limited
- Shintaroh Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,594,551
- Issue date Nov 26, 2013
- Ricoh Company, Limited
- Manabu Nonaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus incorporating same, and meth...
- Patent number 8,428,480
- Issue date Apr 23, 2013
- Ricoh Company, Ltd.
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus including same
- Patent number 8,428,498
- Issue date Apr 23, 2013
- Ricoh Company, Ltd.
- Hidehiko Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus using same having a secon...
- Patent number 8,346,106
- Issue date Jan 1, 2013
- Ricoh Company, Limited
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus capable of improving fixi...
- Patent number 8,326,167
- Issue date Dec 4, 2012
- Ricoh Company, Limited
- Hidehiko Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner fixing device with light control mirrors and image forming ap...
- Patent number 8,195,058
- Issue date Jun 5, 2012
- Ricoh Company, Ltd.
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming apparatus
- Patent number 8,014,713
- Issue date Sep 6, 2011
- Ricoh Company, Ltd.
- Shintaroh Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device, image forming apparatus, and fixing method having an...
- Patent number 7,962,082
- Issue date Jun 14, 2011
- Ricoh Company, Limited
- Toshiaki Takahashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging brush unit, charging device, and image forming apparatus
- Patent number 7,907,869
- Issue date Mar 15, 2011
- Ricoh Company Limited
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus including a sheet feed cassette capable of...
- Patent number 7,722,031
- Issue date May 25, 2010
- Ricoh Company, Ltd.
- Hidehiko Fujiwara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Grant
Fixing device and image forming device
- Patent number 7,013,108
- Issue date Mar 14, 2006
- Ricoh Company, Ltd.
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device and communication device
- Patent number 6,907,218
- Issue date Jun 14, 2005
- Ricoh Company, Ltd.
- Hidehiko Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image fixing device and image forming device having low friction an...
- Patent number 6,801,744
- Issue date Oct 5, 2004
- Ricoh Company, Limited
- Hidehiko Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device and image forming device
- Patent number 6,788,916
- Issue date Sep 7, 2004
- Ricoh Company, Ltd.
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
SHEET PROCESSING DEVICE INCLUDING A STAPLE BINDING UNIT AND A STAPL...
- Publication number 20200140222
- Publication date May 7, 2020
- RICOH COMPANY, LTD.
- Wataru TAKAHASHI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DRIVE CONTROL DEVICE, DRIVING DEVICE, SHEET CONVEYING DEVICE, AND I...
- Publication number 20200103811
- Publication date Apr 2, 2020
- RICOH COMPANY, LTD.
- Keisuke SUGIYAMA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM
- Publication number 20170305706
- Publication date Oct 26, 2017
- RICOH COMPANY, LTD.
- Wataru TAKAHASHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET-MEMBER SEPARATION DEVICE, SHEET-MEMBER SEPARATION METHOD, PRO...
- Publication number 20170174458
- Publication date Jun 22, 2017
- Satoru Takano
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
STACKING APPARATUS
- Publication number 20170174462
- Publication date Jun 22, 2017
- Yousuke EDO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET-MATERIAL SUPPLY DEVICE
- Publication number 20170174453
- Publication date Jun 22, 2017
- Takeshi AKAI
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM
- Publication number 20160360053
- Publication date Dec 8, 2016
- RICOH COMPANY, LTD.
- Nobuyoshi SUZUKI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20160340145
- Publication date Nov 24, 2016
- RICOH COMPANY, LTD.
- Akira KUNIEDA
- B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
Information Patent Application
SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM
- Publication number 20160340144
- Publication date Nov 24, 2016
- RICOH COMPANY, LTD.
- Koki SAKANO
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM
- Publication number 20150360899
- Publication date Dec 17, 2015
- RICOH COMPANY, LIMITED
- Wataru TAKAHASHI
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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
IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS
- Publication number 20140177012
- Publication date Jun 26, 2014
- RICOH COMPANY, LIMITED
- Hiroshi KUBO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AUTOMATIC DOCUMENT FEEDER, IMAGE READING DEVICE INCLUDING THE SAME,...
- Publication number 20140125007
- Publication date May 8, 2014
- RICOH COMPANY, LIMITED
- Koki SAKANO
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Fixing device, image forming apparatus incorporating same, and meth...
- Publication number 20110116822
- Publication date May 19, 2011
- RICOH COMPANY, LTD.
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS USING SAME
- Publication number 20110026961
- Publication date Feb 3, 2011
- Yoshihide OHTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS USING SAME
- Publication number 20110020018
- Publication date Jan 27, 2011
- Kohta TAKENAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus incorporating same
- Publication number 20100232822
- Publication date Sep 16, 2010
- Ricoh Company, Ltd.
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Sheet Feeder And Image Forming Apparatus Including Same
- Publication number 20100225053
- Publication date Sep 9, 2010
- RICOH COMPANY, LTD.
- Mitsutaka Nakamura
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF IMPROVING FIXI...
- Publication number 20100008691
- Publication date Jan 14, 2010
- Hidehiko FUJIWARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus including same
- Publication number 20090208264
- Publication date Aug 20, 2009
- Ricoh Company, Ltd.
- Hidehiko Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming apparatus
- Publication number 20090148207
- Publication date Jun 11, 2009
- Ricoh Company, Ltd.
- Shintaroh Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20090116884
- Publication date May 7, 2009
- Manabu Nonaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS, FIXING DEVICE, AND FIXING METHOD
- Publication number 20090016792
- Publication date Jan 15, 2009
- Shintaroh Yamada
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD
- Publication number 20090010688
- Publication date Jan 8, 2009
- Toshiaki TAKAHASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING BRUSH UNIT, CHARGING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20080304866
- Publication date Dec 11, 2008
- Kohta TAKENAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS INCLUDING A SHEET FEED CASSETTE CAPABLE OF...
- Publication number 20080012208
- Publication date Jan 17, 2008
- Hidehiko Fujiwara
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Fixing device and image forming device
- Publication number 20040240914
- Publication date Dec 2, 2004
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image fixing device and image forming device
- Publication number 20030103786
- Publication date Jun 5, 2003
- Hidehiko Fujiwara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Fixing device and image forming device
- Publication number 20030099493
- Publication date May 29, 2003
- Kohta Takenaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hidehiko FUJIWARA

Person

Patents Grantslast 30 patents

Drive control device, driving device, sheet conveying device, and i...

Stack limiting unit for sheet processing device

Sheet processing apparatus and image forming system

Sheet processing device including a staple binding unit and a stapl...

Sheet-material supply device

Sheet-member separation device, sheet-member separation method, pro...

Sheet processing device and image forming system

Stacking apparatus

Sheet processing apparatus and image forming system

Sheet processing device incuding a stacked-sheet-count limiting uni...

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

Sheet processing apparatus and image forming system

Image reading apparatus and image forming apparatus

Automatic document feeder, image reading device including the same,...

Fixing device and image forming apparatus using same

Image forming apparatus, fixing device, and fixing method

Fixing device and image forming apparatus

Fixing device, image forming apparatus incorporating same, and meth...

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus using same having a secon...

Fixing device and image forming apparatus capable of improving fixi...

Toner fixing device with light control mirrors and image forming ap...

Fixing device and image forming apparatus

Fixing device, image forming apparatus, and fixing method having an...

Charging brush unit, charging device, and image forming apparatus

Image forming apparatus including a sheet feed cassette capable of...

Fixing device and image forming device

Image forming device and communication device

Image fixing device and image forming device having low friction an...

Fixing device and image forming device

Patents Applicationslast 30 patents

SHEET PROCESSING DEVICE INCLUDING A STAPLE BINDING UNIT AND A STAPL...

DRIVE CONTROL DEVICE, DRIVING DEVICE, SHEET CONVEYING DEVICE, AND I...

SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM

SHEET-MEMBER SEPARATION DEVICE, SHEET-MEMBER SEPARATION METHOD, PRO...

STACKING APPARATUS

SHEET-MATERIAL SUPPLY DEVICE

SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM

SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM

SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM

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

IMAGE READING APPARATUS AND IMAGE FORMING APPARATUS

AUTOMATIC DOCUMENT FEEDER, IMAGE READING DEVICE INCLUDING THE SAME,...

Fixing device, image forming apparatus incorporating same, and meth...

FIXING DEVICE AND IMAGE FORMING APPARATUS USING SAME

FIXING DEVICE AND IMAGE FORMING APPARATUS USING SAME

Fixing device and image forming apparatus incorporating same

Sheet Feeder And Image Forming Apparatus Including Same

FIXING DEVICE AND IMAGE FORMING APPARATUS CAPABLE OF IMPROVING FIXI...

Fixing device and image forming apparatus including same

Fixing device and image forming apparatus

FIXING DEVICE AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS, FIXING DEVICE, AND FIXING METHOD

FIXING DEVICE, IMAGE FORMING APPARATUS, AND FIXING METHOD

CHARGING BRUSH UNIT, CHARGING DEVICE, AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS INCLUDING A SHEET FEED CASSETTE CAPABLE OF...

Fixing device and image forming device

Image fixing device and image forming device

Fixing device and image forming device