Hideyasu SEKI

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus executing charge removal for photoconductor...
- Patent number 9,897,947
- Issue date Feb 20, 2018
- Ricoh Company, Ltd.
- Yuka Kanatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electric charging-diselectrifying device, process cartridge with el...
- Patent number 9,366,985
- Issue date Jun 14, 2016
- Ricoh Company, Ltd.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner conveyance device and image forming apparatus incorporating same
- Patent number 9,367,022
- Issue date Jun 14, 2016
- Ricoh Company, Ltd.
- Yuta Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device and image forming apparatus incorporating same
- Patent number 9,354,538
- Issue date May 31, 2016
- Ricoh Company, Ltd.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Process cartridge capable of suppressing filming and image forming...
- Patent number 9,310,707
- Issue date Apr 12, 2016
- Ricoh Company, Ltd.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, image forming apparatus, and process ca...
- Patent number 9,256,190
- Issue date Feb 9, 2016
- Ricoh Company, Limited
- Satoshi Hatori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lubricant supply device, process unit, image forming apparatus, and...
- Patent number 9,207,625
- Issue date Dec 8, 2015
- Ricoh Company, Ltd.
- Ryohta Gotoh
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developing device and image forming apparatus including a toner bea...
- Patent number 9,201,336
- Issue date Dec 1, 2015
- Ricoh Company, Ltd.
- Osamu Endou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and waste toner conveying device incorporat...
- Patent number 9,176,457
- Issue date Nov 3, 2015
- Ricoh Company, Ltd.
- Kaoru Yoshino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device and image forming apparatus incorporating same
- Patent number 9,158,228
- Issue date Oct 13, 2015
- Ricoh Company, Ltd.
- Yoshiko Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supply system, image forming apparatus, and process cartr...
- Patent number 9,128,452
- Issue date Sep 8, 2015
- Ricoh Company, Ltd.
- Satoshi Hatori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Detachable unit and image forming apparatus incorporating same
- Patent number 9,104,171
- Issue date Aug 11, 2015
- Ricoh Company, Ltd.
- Yuta Azeyanagi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, image forming apparatus, and process ca...
- Patent number 9,081,347
- Issue date Jul 14, 2015
- Ricoh Company, Limited
- Akira Fujimori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, image forming apparatus, and process ca...
- Patent number 9,068,693
- Issue date Jun 30, 2015
- Ricoh Company, Limited
- Satoshi Hatori
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Lubricant applicator, image forming apparatus, and process cartridge
- Patent number 9,063,500
- Issue date Jun 23, 2015
- Ricoh Company, Ltd.
- Ryohta Gotoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant applicator, image forming apparatus, and process cartridge
- Patent number 9,052,669
- Issue date Jun 9, 2015
- Ricoh Company, Ltd.
- Daisuke Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image carrier, process cartridge, and image forming apparatus
- Patent number 9,008,546
- Issue date Apr 14, 2015
- Ricoh Company, Ltd.
- Nobuyuki Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 8,948,638
- Issue date Feb 3, 2015
- Ricoh Company, Ltd.
- Yuji Ishikura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, and image forming apparatus and process cartrid...
- Patent number 8,929,782
- Issue date Jan 6, 2015
- Ricoh Company, Ltd.
- Osamu Endou
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, image forming apparatus, and process ca...
- Patent number 8,909,122
- Issue date Dec 9, 2014
- Ricoh Company, Limited
- Ryohta Gotoh
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Developing device, image forming apparatus, and image forming method
- Patent number 8,897,681
- Issue date Nov 25, 2014
- Ricoh Company, Ltd.
- Tetsuro Hirota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Lubricant supplying device, and image forming apparatus
- Patent number 8,855,507
- Issue date Oct 7, 2014
- Ricoh Company, Limited
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge incorporating same, and image...
- Patent number 8,824,935
- Issue date Sep 2, 2014
- Ricoh Company, Ltd.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge incorporating same, and image...
- Patent number 8,594,540
- Issue date Nov 26, 2013
- Ricoh Company, Limited
- Tetsuro Hirota
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS AND CONTROL METHOD FOR SAME
- Publication number 20170075264
- Publication date Mar 16, 2017
- Yuka KANATANI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE, IMAGE FORMING APPARATUS WITH PROCESS CARTRIDGE,...
- Publication number 20160195830
- Publication date Jul 7, 2016
- RICOH COMPANY, LTD.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTRIC CHARGING-DISELECTRIFYING DEVICE, PROCESS CARTRIDGE WITH EL...
- Publication number 20160179027
- Publication date Jun 23, 2016
- RICOH COMPANY, LTD.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150301496
- Publication date Oct 22, 2015
- RICOH COMPANY, LTD.
- Yuta Kawashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...
- Publication number 20150268619
- Publication date Sep 24, 2015
- Satoshi HATORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20150248075
- Publication date Sep 3, 2015
- RICOH COMPANY, LTD.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
PROCESS CARTRIDGE CAPABLE OF SUPPRESSING FILMING AND IMAGE FORMING...
- Publication number 20150160587
- Publication date Jun 11, 2015
- RICOH COMPANY, LTD.
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLY SYSTEM, IMAGE FORMING APPARATUS, AND PROCESS CARTR...
- Publication number 20140363178
- Publication date Dec 11, 2014
- Satoshi HATORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLY DEVICE, PROCESS UNIT, IMAGE FORMING APPARATUS, AND...
- Publication number 20140270881
- Publication date Sep 18, 2014
- RICOH COMPANY, LTD.
- Ryohta GOTOH
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Application
DETACHABLE UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20140199091
- Publication date Jul 17, 2014
- Yuta AZEYANAGI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE CARRIER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20140147170
- Publication date May 29, 2014
- RICOH COMPANY, LTD.
- Nobuyuki TAGUCHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT APPLICATOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20140037302
- Publication date Feb 6, 2014
- Ryohta GOTOH
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT APPLICATOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE
- Publication number 20140037303
- Publication date Feb 6, 2014
- Daisuke TOMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND WASTE TONER CONVEYING DEVICE INCORPORAT...
- Publication number 20140010579
- Publication date Jan 9, 2014
- Ricoh Company, Ltd.
- Kaoru YOSHINO
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...
- Publication number 20130279923
- Publication date Oct 24, 2013
- Ryohta Gotoh
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, AND IMAGE FORMING APPARATUS
- Publication number 20130251381
- Publication date Sep 26, 2013
- Hideyasu Seki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...
- Publication number 20130251380
- Publication date Sep 26, 2013
- Akira FUJIMORI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...
- Publication number 20130243449
- Publication date Sep 19, 2013
- Satoshi Hatori
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130216250
- Publication date Aug 22, 2013
- Hideyasu SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...
- Publication number 20130216277
- Publication date Aug 22, 2013
- Osamu ENDOU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130209143
- Publication date Aug 15, 2013
- Osamu ENDOU
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME
- Publication number 20130071147
- Publication date Mar 21, 2013
- Yoshiko OGAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD
- Publication number 20120063797
- Publication date Mar 15, 2012
- Tetsuro HIROTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...
- Publication number 20120063815
- Publication date Mar 15, 2012
- Hideyasu SEKI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20120057891
- Publication date Mar 8, 2012
- Yuji ISHIKURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...
- Publication number 20110182626
- Publication date Jul 28, 2011
- Tetsuro HIROTA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Hideyasu SEKI

Person

Patents Grantslast 30 patents

Image forming apparatus executing charge removal for photoconductor...

Electric charging-diselectrifying device, process cartridge with el...

Toner conveyance device and image forming apparatus incorporating same

Charging device and image forming apparatus incorporating same

Process cartridge capable of suppressing filming and image forming...

Lubricant supplying device, image forming apparatus, and process ca...

Lubricant supply device, process unit, image forming apparatus, and...

Developing device and image forming apparatus including a toner bea...

Image forming apparatus and waste toner conveying device incorporat...

Development device and image forming apparatus incorporating same

Lubricant supply system, image forming apparatus, and process cartr...

Detachable unit and image forming apparatus incorporating same

Lubricant supplying device, image forming apparatus, and process ca...

Lubricant supplying device, image forming apparatus, and process ca...

Lubricant applicator, image forming apparatus, and process cartridge

Lubricant applicator, image forming apparatus, and process cartridge

Image carrier, process cartridge, and image forming apparatus

Image forming apparatus

Development device, and image forming apparatus and process cartrid...

Lubricant supplying device, image forming apparatus, and process ca...

Developing device, image forming apparatus, and image forming method

Lubricant supplying device, and image forming apparatus

Development device, process cartridge incorporating same, and image...

Development device, process cartridge incorporating same, and image...

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS AND CONTROL METHOD FOR SAME

PROCESS CARTRIDGE, IMAGE FORMING APPARATUS WITH PROCESS CARTRIDGE,...

ELECTRIC CHARGING-DISELECTRIFYING DEVICE, PROCESS CARTRIDGE WITH EL...

TONER CONVEYANCE DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...

CHARGING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

PROCESS CARTRIDGE CAPABLE OF SUPPRESSING FILMING AND IMAGE FORMING...

LUBRICANT SUPPLY SYSTEM, IMAGE FORMING APPARATUS, AND PROCESS CARTR...

LUBRICANT SUPPLY DEVICE, PROCESS UNIT, IMAGE FORMING APPARATUS, AND...

DETACHABLE UNIT AND IMAGE FORMING APPARATUS INCORPORATING SAME

IMAGE CARRIER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

LUBRICANT APPLICATOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

LUBRICANT APPLICATOR, IMAGE FORMING APPARATUS, AND PROCESS CARTRIDGE

IMAGE FORMING APPARATUS AND WASTE TONER CONVEYING DEVICE INCORPORAT...

LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...

LUBRICANT SUPPLYING DEVICE, AND IMAGE FORMING APPARATUS

LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...

LUBRICANT SUPPLYING DEVICE, IMAGE FORMING APPARATUS, AND PROCESS CA...

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPMENT DEVICE, AND IMAGE FORMING APPARATUS AND PROCESS CARTRID...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME

DEVELOPING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD

DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...

IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE, PROCESS CARTRIDGE INCORPORATING SAME, AND IMAGE...