Ryuta Takeichi

Person

Toyonaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Cleaning apparatus for removing toner adhered onto endless belt
- Patent number 8,306,469
- Issue date Nov 6, 2012
- Ricoh Company, Ltd.
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developer supplying device, and image forming...
- Patent number 8,195,070
- Issue date Jun 5, 2012
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer container, developer supplying device, and image forming...
- Patent number 8,005,406
- Issue date Aug 23, 2011
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer container, developer supplying device, and image forming...
- Patent number 7,835,673
- Issue date Nov 16, 2010
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer container, developer supplying device, and image forming...
- Patent number 7,697,870
- Issue date Apr 13, 2010
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer container, developer supplying device, and image forming...
- Patent number 7,519,317
- Issue date Apr 14, 2009
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developer container, developer supplying device, and image forming...
- Patent number 7,480,476
- Issue date Jan 20, 2009
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Cleaning apparatus for removing toner adhered onto endless belt
- Patent number 7,421,239
- Issue date Sep 2, 2008
- Ricoh Company, Ltd.
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using a toner container and a process cartr...
- Patent number 7,398,038
- Issue date Jul 8, 2008
- Ricoh Company, Ltd.
- Kiyonori Tsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer container, developer supplying device, and image forming...
- Patent number 7,321,744
- Issue date Jan 22, 2008
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Endless belt device and image forming apparatus using the device
- Patent number 7,277,667
- Issue date Oct 2, 2007
- Ricoh Company, Ltd.
- Daisuke Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus that recovers waste toner inside thereof
- Patent number 7,221,887
- Issue date May 22, 2007
- Ricoh Company, Ltd.
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge removably mounted the...
- Patent number 7,212,767
- Issue date May 1, 2007
- Ricoh Company, Ltd.
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus using...
- Patent number 7,153,621
- Issue date Dec 26, 2006
- Ricoh Company Limited
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus using installable process cartridge, method...
- Patent number 7,136,610
- Issue date Nov 14, 2006
- Ricoh Company, Ltd.
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Powder conveying device and image forming apparatus using the same
- Patent number 7,076,192
- Issue date Jul 11, 2006
- Ricoh Company, Ltd.
- Kiyonori Tsuda
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Image forming apparatus using a user installable process cartridge,...
- Patent number 7,024,133
- Issue date Apr 4, 2006
- Ricoh Co., Ltd.
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and process cartridge
- Patent number 7,003,255
- Issue date Feb 21, 2006
- Ricoh Company, Ltd.
- Masanori Kawasumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic drum-shaped photoconductor and image forming me...
- Patent number 6,706,459
- Issue date Mar 16, 2004
- Ricoh Company, Ltd.
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method and apparatus for forming an image with no degradation
- Patent number 6,697,595
- Issue date Feb 24, 2004
- Ricoh Company, Ltd.
- Katsuya Kawagoe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic drum-shaped photoconductor and image forming me...
- Patent number 6,562,529
- Issue date May 13, 2003
- Ricoh Company, Ltd.
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and image forming apparatus using...
- Patent number 6,558,862
- Issue date May 6, 2003
- Ricoh Company Limited
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor and electrophotographic image for...
- Patent number 6,521,386
- Issue date Feb 18, 2003
- Ricoh Company Ltd.
- Yohta Sakon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Unit for imparting lubricity to electrophotographic photoconductor,...
- Patent number 6,363,237
- Issue date Mar 26, 2002
- Ricoh Company, Ltd.
- Hiroshi Nagame
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and device for applying a lubricant to an i...
- Patent number 6,160,977
- Issue date Dec 12, 2000
- Ricoh Company, Ltd.
- Ryuta Takeichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multi-functional contact-type charging unit and image transfer unit
- Patent number 6,118,964
- Issue date Sep 12, 2000
- Ricoh Company, Ltd.
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,060,205
- Issue date May 9, 2000
- Ricoh Company, Ltd.
- Ryuta Takeichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,014,532
- Issue date Jan 11, 2000
- Ricoh Company, Ltd.
- Ryuta Takeichi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
- Publication number 20110249991
- Publication date Oct 13, 2011
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
- Publication number 20110026973
- Publication date Feb 3, 2011
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
- Publication number 20090175660
- Publication date Jul 9, 2009
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CLEANING APPARATUS FOR REMOVING TONER ADHERED ONTO ENDLESS BELT
- Publication number 20080298833
- Publication date Dec 4, 2008
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
- Publication number 20080286013
- Publication date Nov 20, 2008
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...
- Publication number 20080003021
- Publication date Jan 3, 2008
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container, developer supplying device, and image forming...
- Publication number 20070177905
- Publication date Aug 2, 2007
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE REMOVABLY MOUNTED THE...
- Publication number 20070166074
- Publication date Jul 19, 2007
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Endless belt device and image forming apparatus using the device
- Publication number 20060104677
- Publication date May 18, 2006
- Daisuke Saito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050244189
- Publication date Nov 3, 2005
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus using...
- Publication number 20050238977
- Publication date Oct 27, 2005
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus using a toner container and a process cartr...
- Publication number 20050226656
- Publication date Oct 13, 2005
- Kiyonori Tsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning apparatus for removing toner adhered onto endless belt
- Publication number 20050078991
- Publication date Apr 14, 2005
- Yoshiyuki Kimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer container, developer supplying device, and image forming...
- Publication number 20040223790
- Publication date Nov 11, 2004
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Powder conveying device and image forming apparatus using the same
- Publication number 20040184841
- Publication date Sep 23, 2004
- Kiyonori Tsuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus using installable process cartridge, method...
- Publication number 20040170447
- Publication date Sep 2, 2004
- Yuji Arai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus using a user installable process cartridge,...
- Publication number 20040170446
- Publication date Sep 2, 2004
- Hiroyuki Nagashima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and process cartridge
- Publication number 20040131381
- Publication date Jul 8, 2004
- Masanori Kawasumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and process cartridge removably mounted the...
- Publication number 20040096239
- Publication date May 20, 2004
- Hiroshi Hosokawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic drum-shaped photoconductor and image forming me...
- Publication number 20030165757
- Publication date Sep 4, 2003
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming apparatus using...
- Publication number 20030152854
- Publication date Aug 14, 2003
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method and apparatus for forming an image with no degradation
- Publication number 20020034406
- Publication date Mar 21, 2002
- Ricoh Company, Ltd.
- Katsuya Kawagoe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Eletrophotographic photoreceptor and image forming apparatus using...
- Publication number 20010031411
- Publication date Oct 18, 2001
- RICOH COMPANY LIMITED
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Ryuta Takeichi

Person

Patents Grantslast 30 patents

Cleaning apparatus for removing toner adhered onto endless belt

Developer container, developer supplying device, and image forming...

Developer container, developer supplying device, and image forming...

Developer container, developer supplying device, and image forming...

Developer container, developer supplying device, and image forming...

Developer container, developer supplying device, and image forming...

Developer container, developer supplying device, and image forming...

Cleaning apparatus for removing toner adhered onto endless belt

Image forming apparatus using a toner container and a process cartr...

Developer container, developer supplying device, and image forming...

Endless belt device and image forming apparatus using the device

Image forming apparatus that recovers waste toner inside thereof

Image forming apparatus and process cartridge removably mounted the...

Electrophotographic photoreceptor and image forming apparatus using...

Image forming apparatus using installable process cartridge, method...

Powder conveying device and image forming apparatus using the same

Image forming apparatus using a user installable process cartridge,...

Image forming apparatus and process cartridge

Electrophotographic drum-shaped photoconductor and image forming me...

Method and apparatus for forming an image with no degradation

Electrophotographic drum-shaped photoconductor and image forming me...

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic photoreceptor and electrophotographic image for...

Unit for imparting lubricity to electrophotographic photoconductor,...

Image forming apparatus and device for applying a lubricant to an i...

Multi-functional contact-type charging unit and image transfer unit

Image forming apparatus

Image forming apparatus

Patents Applicationslast 30 patents

DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...

DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...

DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...

CLEANING APPARATUS FOR REMOVING TONER ADHERED ONTO ENDLESS BELT

DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...

DEVELOPER CONTAINER, DEVELOPER SUPPLYING DEVICE, AND IMAGE FORMING...

Developer container, developer supplying device, and image forming...

IMAGE FORMING APPARATUS AND PROCESS CARTRIDGE REMOVABLY MOUNTED THE...

Endless belt device and image forming apparatus using the device

Image forming apparatus

Electrophotographic photoreceptor and image forming apparatus using...

Image forming apparatus using a toner container and a process cartr...

Cleaning apparatus for removing toner adhered onto endless belt

Developer container, developer supplying device, and image forming...

Powder conveying device and image forming apparatus using the same

Image forming apparatus using installable process cartridge, method...

Image forming apparatus using a user installable process cartridge,...

Image forming apparatus and process cartridge

Image forming apparatus and process cartridge removably mounted the...

Electrophotographic drum-shaped photoconductor and image forming me...

Electrophotographic photoreceptor and image forming apparatus using...

Method and apparatus for forming an image with no degradation

Eletrophotographic photoreceptor and image forming apparatus using...