Takafumi Nagai

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,948,658
- Issue date Feb 3, 2015
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,831,483
- Issue date Sep 9, 2014
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,744,319
- Issue date Jun 3, 2014
- Sharp Kabushiki Kaisha
- Hiroyoshi Maehara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,744,320
- Issue date Jun 3, 2014
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,731,443
- Issue date May 20, 2014
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,688,013
- Issue date Apr 1, 2014
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device and image forming apparatus provided therewith
- Patent number 8,682,226
- Issue date Mar 25, 2014
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner discharging device, toner cartridge and image forming apparatus
- Patent number 8,682,227
- Issue date Mar 25, 2014
- Sharp Kabushiki Kaisha
- Toshihide Ohgoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device and image forming apparatus including the same
- Patent number 8,660,466
- Issue date Feb 25, 2014
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,594,538
- Issue date Nov 26, 2013
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,588,657
- Issue date Nov 19, 2013
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device with double spiral blade and image forming apparatus
- Patent number 8,588,656
- Issue date Nov 19, 2013
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, image forming apparatus, developer agitating and...
- Patent number 8,554,115
- Issue date Oct 8, 2013
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner discharge mechanism, toner cartridge and image forming appara...
- Patent number 8,526,863
- Issue date Sep 3, 2013
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus including the same
- Patent number 8,521,069
- Issue date Aug 27, 2013
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus including the same
- Patent number 8,488,998
- Issue date Jul 16, 2013
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus having a developer co...
- Patent number 8,488,999
- Issue date Jul 16, 2013
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus having the developing...
- Patent number 8,472,845
- Issue date Jun 25, 2013
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,452,215
- Issue date May 28, 2013
- Sharp Kabushiki Kaisha
- Koichi Mihara
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus
- Patent number 8,401,432
- Issue date Mar 19, 2013
- Sharp Kabushiki Kaisha
- Shigeki Hayashi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Non-magnetic mono-component toner and developing method with the same
- Patent number 7,011,920
- Issue date Mar 14, 2006
- Sharp Kabushiki Kaisha
- Takafumi Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Equipment unit with imperceptible information recorded thereon bein...
- Patent number 7,010,236
- Issue date Mar 7, 2006
- Sharp Kabushiki Kaisha
- Kohji Shinkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Black toner for electrophotography
- Patent number 5,314,773
- Issue date May 24, 1994
- Mita Industrial Co., Ltd.
- Masahiko Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method of developing an electrostatic latent image utilizing a two-...
- Patent number 5,239,342
- Issue date Aug 24, 1993
- Mita Industrial Co., Ltd.
- Masahiko Kubo
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20130051860
- Publication date Feb 28, 2013
- Hiroyoshi MAEHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER DISCHARGING DEVICE, TONER CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20130011164
- Publication date Jan 10, 2013
- Toshihide OHGOSHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120328334
- Publication date Dec 27, 2012
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120219327
- Publication date Aug 30, 2012
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120213554
- Publication date Aug 23, 2012
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120201574
- Publication date Aug 9, 2012
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120189353
- Publication date Jul 26, 2012
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120163873
- Publication date Jun 28, 2012
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE, IMAGE FORMING APPARATUS, DEVELOPER AGITATING AND...
- Publication number 20120163872
- Publication date Jun 28, 2012
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120063813
- Publication date Mar 15, 2012
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20120051794
- Publication date Mar 1, 2012
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS PROVIDED THEREWITH
- Publication number 20120045252
- Publication date Feb 23, 2012
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING THE DEVELOPING...
- Publication number 20120014719
- Publication date Jan 19, 2012
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developer Conveying Device and Development Device, Toner Cartridge...
- Publication number 20110318062
- Publication date Dec 29, 2011
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20110305484
- Publication date Dec 15, 2011
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER CONVEYING APPARATUS, TONER CARTRIDGE AND CLEANING UNIT HAVING...
- Publication number 20110305486
- Publication date Dec 15, 2011
- Toshihide OHGOSHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20110286770
- Publication date Nov 24, 2011
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110286769
- Publication date Nov 24, 2011
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER DISCHARGING DEVICE, TONER CARTRIDGE AND IMAGE FORMING APPARATUS
- Publication number 20110255907
- Publication date Oct 20, 2011
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER DISCHARGING DEVICE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20110229213
- Publication date Sep 22, 2011
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER DISCHARGE MECHANISM, TONER CARTRIDGE AND IMAGE FORMING APPARA...
- Publication number 20110229212
- Publication date Sep 22, 2011
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110188894
- Publication date Aug 4, 2011
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS USING THE DEVELOPING...
- Publication number 20110182624
- Publication date Jul 28, 2011
- Koichi MIHARA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20110176836
- Publication date Jul 21, 2011
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME
- Publication number 20110170910
- Publication date Jul 14, 2011
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20110158676
- Publication date Jun 30, 2011
- Hiroaki NAKAYA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20110103842
- Publication date May 5, 2011
- Shigeki HAYASHI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Non-magnetic mono-component toner and developing method with the same
- Publication number 20040096764
- Publication date May 20, 2004
- Sharp Kabushiki Kaisha
- Takafumi Nagai
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Equipment unit for image forming device and image forming device co...
- Publication number 20030198480
- Publication date Oct 23, 2003
- Kohji Shinkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Takafumi Nagai

Person

Patents Grantslast 30 patents

Developing device and image forming apparatus

Developing device and image forming apparatus

Developing device and image forming apparatus

Developing device and image forming apparatus

Developing device and image forming apparatus

Developing device and image forming apparatus

Development device and image forming apparatus provided therewith

Toner discharging device, toner cartridge and image forming apparatus

Development device and image forming apparatus including the same

Developing device and image forming apparatus

Developing device and image forming apparatus

Developing device with double spiral blade and image forming apparatus

Developing device, image forming apparatus, developer agitating and...

Toner discharge mechanism, toner cartridge and image forming appara...

Developing device and image forming apparatus including the same

Developing device and image forming apparatus including the same

Developing device and image forming apparatus having a developer co...

Developing device and image forming apparatus having the developing...

Developing device and image forming apparatus

Developing device and image forming apparatus

Non-magnetic mono-component toner and developing method with the same

Equipment unit with imperceptible information recorded thereon bein...

Black toner for electrophotography

Method of developing an electrostatic latent image utilizing a two-...

Patents Applicationslast 30 patents

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

TONER DISCHARGING DEVICE, TONER CARTRIDGE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE, IMAGE FORMING APPARATUS, DEVELOPER AGITATING AND...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS PROVIDED THEREWITH

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING THE DEVELOPING...

Developer Conveying Device and Development Device, Toner Cartridge...

DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

TONER CONVEYING APPARATUS, TONER CARTRIDGE AND CLEANING UNIT HAVING...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

TONER DISCHARGING DEVICE, TONER CARTRIDGE AND IMAGE FORMING APPARATUS

TONER DISCHARGING DEVICE, TONER CARTRIDGE, AND IMAGE FORMING APPARATUS

TONER DISCHARGE MECHANISM, TONER CARTRIDGE AND IMAGE FORMING APPARA...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS USING THE DEVELOPING...

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCLUDING THE SAME

IMAGE FORMING APPARATUS

DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

Non-magnetic mono-component toner and developing method with the same

Equipment unit for image forming device and image forming device co...