Narihito Kojima

Person

Numazu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Toner, developer, toner container and latent electrostatic image ca...
- Patent number 7,482,104
- Issue date Jan 27, 2009
- Ricoh Company, Ltd.
- Maiko Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developer, toner container and latent electrostatic image ca...
- Patent number 7,386,256
- Issue date Jun 10, 2008
- Ricoh Company, Ltd.
- Maiko Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor, preparation method thereof, ele...
- Patent number 7,341,814
- Issue date Mar 11, 2008
- Ricoh Company, Ltd.
- Hidetoshi Kami
- 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
Electrophotographic photoreceptor, method for manufacturing the pho...
- Patent number 6,844,124
- Issue date Jan 18, 2005
- Ricoh Company Limited
- Hiroshi Ikuno
- 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
Electrophotographic image forming method and apparatus
- Patent number 6,686,114
- Issue date Feb 3, 2004
- Ricoh Company, Ltd.
- Yohta Sakon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoreceptor, method for manufacturing the pho...
- Patent number 6,641,964
- Issue date Nov 4, 2003
- Ricoh Company Limited
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Multilayer electrophotographic photoreceptor, and image forming met...
- Patent number 6,576,388
- Issue date Jun 10, 2003
- Ricoh Company Limited
- Yohta Sakon
- 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
Electrophotographic photoreceptor and image forming method and appa...
- Patent number 6,432,596
- Issue date Aug 13, 2002
- Ricoh Company Limited
- Hiroshi Ikuno
- 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
Electrophotographic photoreceptor, and process cartridge and image...
- Patent number 6,326,112
- Issue date Dec 4, 2001
- Ricoh Company Limited
- Hiroshi Tamura
- 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
Electrophotographic photoconductor
- Patent number 6,151,468
- Issue date Nov 21, 2000
- Ricoh Company, Ltd.
- Hidetoshi Kami
- 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
Electrophotographic photoconductor with water vapor permeability
- Patent number 6,030,733
- Issue date Feb 29, 2000
- Ricoh Company, Ltd.
- Hidetoshi Kami
- 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
Information Patent Grant
Electrophotographic photoconductor
- Patent number 5,871,876
- Issue date Feb 16, 1999
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging apparatus for photoconductor with ozone adsorption features
- Patent number 5,870,657
- Issue date Feb 9, 1999
- Ricoh Company, Ltd.
- Hiroshi Nagame
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor
- Patent number 5,840,455
- Issue date Nov 24, 1998
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic photoconductor with amorphous carbon overlayer
- Patent number 5,656,406
- Issue date Aug 12, 1997
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of recycling an image carrying medium and an image separatin...
- Patent number 5,540,815
- Issue date Jul 30, 1996
- Ricoh Company, Ltd.
- Masato Igarashi
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Electrophotographic photoconductor
- Patent number 5,525,447
- Issue date Jun 11, 1996
- Ricoh Company, Ltd.
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image formation apparatus
- Patent number 5,452,061
- Issue date Sep 19, 1995
- Ricoh Company, Ltd.
- Narihito Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Carrier removal in an electrophotographic image formation method
- Patent number 5,390,015
- Issue date Feb 14, 1995
- Ricoh Company, Ltd.
- Hiroshi Nagame
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Cleaning unit with a cleaning member made of activated carbon fibers
- Patent number 5,264,903
- Issue date Nov 23, 1993
- Ricoh Company, Ltd.
- Hiroshi Nagame
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER, DEVELOPER, TONER CONTAINER AND LATENT ELECTROSTATIC IMAGE CA...
- Publication number 20080193865
- Publication date Aug 14, 2008
- Maiko Kondo
- 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
Electrophotographic photoconductor, preparation method thereof, ele...
- Publication number 20050181291
- Publication date Aug 18, 2005
- Hidetoshi Kami
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, developer, toner container and latent electrostatic image ca...
- Publication number 20050158644
- Publication date Jul 21, 2005
- Maiko Kondo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, method for manufacturing the pho...
- Publication number 20040048178
- Publication date Mar 11, 2004
- Hiroshi Ikuno
- 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
Electrophotographic image forming method and apparatus
- Publication number 20030049555
- Publication date Mar 13, 2003
- Yohta Sakon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Multilayer electrophotographic photoreceptor, and image forming met...
- Publication number 20020197549
- Publication date Dec 26, 2002
- Yohta Sakon
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor, method for manufacturing the pho...
- Publication number 20020115005
- Publication date Aug 22, 2002
- Hiroshi Ikuno
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic photoreceptor and image forming method and appa...
- Publication number 20010051307
- Publication date Dec 13, 2001
- RICOH COMPANY LIMITED
- Hiroshi Ikuno
- 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

Narihito Kojima

Person

Patents Grantslast 30 patents

Toner, developer, toner container and latent electrostatic image ca...

Toner, developer, toner container and latent electrostatic image ca...

Electrophotographic photoconductor, preparation method thereof, ele...

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic photoreceptor, method for manufacturing the pho...

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

Electrophotographic image forming method and apparatus

Electrophotographic photoreceptor, method for manufacturing the pho...

Multilayer electrophotographic photoreceptor, and image forming met...

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

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic photoreceptor and electrophotographic image for...

Electrophotographic photoreceptor and image forming method and appa...

Unit for imparting lubricity to electrophotographic photoconductor,...

Electrophotographic photoreceptor, and process cartridge and image...

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

Electrophotographic photoconductor

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

Image forming apparatus

Electrophotographic photoconductor with water vapor permeability

Image forming apparatus

Electrophotographic photoconductor

Charging apparatus for photoconductor with ozone adsorption features

Electrophotographic photoconductor

Electrophotographic photoconductor with amorphous carbon overlayer

Method of recycling an image carrying medium and an image separatin...

Electrophotographic photoconductor

Image formation apparatus

Carrier removal in an electrophotographic image formation method

Cleaning unit with a cleaning member made of activated carbon fibers

Patents Applicationslast 30 patents

TONER, DEVELOPER, TONER CONTAINER AND LATENT ELECTROSTATIC IMAGE CA...

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic photoconductor, preparation method thereof, ele...

Toner, developer, toner container and latent electrostatic image ca...

Electrophotographic photoreceptor, method for manufacturing the pho...

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

Electrophotographic photoreceptor and image forming apparatus using...

Electrophotographic image forming method and apparatus

Multilayer electrophotographic photoreceptor, and image forming met...

Electrophotographic photoreceptor, method for manufacturing the pho...

Electrophotographic photoreceptor and image forming method and appa...

Eletrophotographic photoreceptor and image forming apparatus using...