Toshio Kojima

Person

Kanagawa, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Development device, and process cartridge and image forming apparat...
- Patent number 8,824,932
- Issue date Sep 2, 2014
- Ricoh Company, Ltd.
- Katsumi Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Develop roller, develop unit, process cartridge, and image forming...
- Patent number 8,731,444
- Issue date May 20, 2014
- Ricoh Company, Ltd.
- Masayuki Ohsawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, process cartridge, and image forming apparatus...
- Patent number 8,682,230
- Issue date Mar 25, 2014
- Ricoh Company, Ltd.
- Nobuyuki Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development roller, development device, process cartridge and image...
- Patent number 8,565,652
- Issue date Oct 22, 2013
- Ricoh Company, Ltd.
- Takumi Terasaka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development roller, development device, process cartridge and image...
- Patent number 8,135,316
- Issue date Mar 13, 2012
- Ricoh Company, Ltd.
- Toshio Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive member, process cartridge, and image forming apparatus
- Patent number 8,133,161
- Issue date Mar 13, 2012
- Ricoh Company, Ltd.
- Tadayuki Oshima
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Electroconductive member, process cartridge, and image forming appa...
- Patent number 8,105,672
- Issue date Jan 31, 2012
- Ricoh Company, Ltd.
- Makoto Nakamura
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Developing roller, developing device, process cartridge, and image...
- Patent number 7,925,192
- Issue date Apr 12, 2011
- Ricoh Company, Ltd.
- Toshio Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive member, process cartridge using conductive member and im...
- Patent number 7,734,221
- Issue date Jun 8, 2010
- Ricoh Company, Ltd.
- Tadayuki Oshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive member, process cartridge having conductive member, and...
- Patent number 7,693,455
- Issue date Apr 6, 2010
- Ricoh Company, Ltd.
- Taisuke Tokuwaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Conductive member, charging member using the conductive member, pro...
- Patent number 7,515,852
- Issue date Apr 7, 2009
- Ricoh Company, Ltd.
- Makoto Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electric conductive member, process cartridge and image forming app...
- Patent number 7,493,064
- Issue date Feb 17, 2009
- Ricoh Company, Ltd.
- Yutaka Narita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE...
- Publication number 20120294655
- Publication date Nov 22, 2012
- RICOH COMPANY, LTD.
- Takumi TERASAKA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS...
- Publication number 20120057907
- Publication date Mar 8, 2012
- Nobuyuki Taguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOP ROLLER, DEVELOP UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING...
- Publication number 20110274471
- Publication date Nov 10, 2011
- RICOH COMPANY, LTD.
- Masayuki OHSAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...
- Publication number 20110194874
- Publication date Aug 11, 2011
- Katsumi Masuda
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESSING CARTRIDGE AND IM...
- Publication number 20100158578
- Publication date Jun 24, 2010
- RICOH COMPANY, LTD.
- Toshio Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20090180806
- Publication date Jul 16, 2009
- Tadayuki Oshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING ROLLER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE...
- Publication number 20090060591
- Publication date Mar 5, 2009
- RICOH COMPANY, LTD.
- Toshio Kojima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...
- Publication number 20080044751
- Publication date Feb 21, 2008
- Makoto NAKAMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONDUCTIVE MEMBER, PROCESS CARTRIDGE HAVING CONDUCTIVE MEMBER, AND...
- Publication number 20080038016
- Publication date Feb 14, 2008
- Taisuke Tokuwaki
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electric conductive member, process cartridge and image forming app...
- Publication number 20070212110
- Publication date Sep 13, 2007
- Yutaka Narita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CONDUCTIVE MEMBER, PROCESS CARTRIDGE USING CONDUCTIVE MEMBER AND IM...
- Publication number 20070166076
- Publication date Jul 19, 2007
- Tadayuki Oshima
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Conductive member, charging member using the conductive member, pro...
- Publication number 20070116493
- Publication date May 24, 2007
- Makoto Nakamura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Toshio Kojima

Person

Patents Grantslast 30 patents

Development device, and process cartridge and image forming apparat...

Develop roller, develop unit, process cartridge, and image forming...

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

Development roller, development device, process cartridge and image...

Development roller, development device, process cartridge and image...

Conductive member, process cartridge, and image forming apparatus

Electroconductive member, process cartridge, and image forming appa...

Developing roller, developing device, process cartridge, and image...

Conductive member, process cartridge using conductive member and im...

Conductive member, process cartridge having conductive member, and...

Conductive member, charging member using the conductive member, pro...

Electric conductive member, process cartridge and image forming app...

Patents Applicationslast 30 patents

DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE...

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

DEVELOP ROLLER, DEVELOP UNIT, PROCESS CARTRIDGE, AND IMAGE FORMING...

DEVELOPMENT DEVICE, AND PROCESS CARTRIDGE AND IMAGE FORMING APPARAT...

DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESSING CARTRIDGE AND IM...

CONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

DEVELOPING ROLLER, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE...

ELECTROCONDUCTIVE MEMBER, PROCESS CARTRIDGE, AND IMAGE FORMING APPA...

CONDUCTIVE MEMBER, PROCESS CARTRIDGE HAVING CONDUCTIVE MEMBER, AND...

Electric conductive member, process cartridge and image forming app...

CONDUCTIVE MEMBER, PROCESS CARTRIDGE USING CONDUCTIVE MEMBER AND IM...

Conductive member, charging member using the conductive member, pro...