Tsutomu Nagata

Person

Osaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Image forming apparatus and method with process control for stably...
- Patent number 7,769,309
- Issue date Aug 3, 2010
- Sharp Kabushiki Kaisha
- Shoji Tomita
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device and image forming apparatus provided with same
- Patent number 7,333,746
- Issue date Feb 19, 2008
- Sharp Kabushiki Kaisha
- Tsutomu Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image apparatus with developing cartridge having two accommodating...
- Patent number 6,711,374
- Issue date Mar 23, 2004
- Sharp Kabushiki Kaisha
- Naotaka Funayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Detachable process cartridge for image forming apparatus
- Patent number 6,603,940
- Issue date Aug 5, 2003
- Sharp Kabushiki Kaisha
- Naotaka Funayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge and image forming apparatus
- Patent number 6,567,631
- Issue date May 20, 2003
- Sharp Kabushiki Kaisha
- Naotaka Funayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner cartridge
- Patent number D464079
- Issue date Oct 8, 2002
- Sharp Kabushiki Kaisha
- Naotaka Funayama
- D18 - Printing and office machinery
Information Patent Grant
Developing unit for an image forming apparatus
- Patent number D462713
- Issue date Sep 10, 2002
- Sharp Kabushiki Kaisha
- Naotaka Funayama
- D18 - Printing and office machinery
Information Patent Grant
Toner supply device with rotatable agitating element
- Patent number 6,421,517
- Issue date Jul 16, 2002
- Sharp Kabushiki Kaisha
- Toshio Nishino
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit with agitator and conveying sheet for toner
- Patent number 6,415,126
- Issue date Jul 2, 2002
- Sharp Kabushiki Kaisha
- Masatoshi Kaneshige
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit equipped with a toner replenishing device configure...
- Patent number 6,385,422
- Issue date May 7, 2002
- Sharp Kabushiki Kaisha
- Yasuyuki Ishiguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus having stirring shafts with elliptic stirring...
- Patent number 6,360,066
- Issue date Mar 19, 2002
- Sharp Kabushiki Kaisha
- Hiroshi Kawahito
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing unit and toner replenishing device with conveying apparatus
- Patent number 6,347,207
- Issue date Feb 12, 2002
- Sharp Kabushiki Kaisha
- Yasuyuki Ishiguro
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer cartridge
- Patent number 6,272,298
- Issue date Aug 7, 2001
- Sharp Kabushiki Kaisha
- Jun Yamaguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Latent electrostatic image developing device having a toner concent...
- Patent number 5,722,002
- Issue date Feb 24, 1998
- Mita Industrial Co., Ltd.
- Shinji Kikuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developer agitating/conveying device
- Patent number 5,659,859
- Issue date Aug 19, 1997
- Mita Industrial Co., Ltd.
- Shinji Kikuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device having an improved agitation and conveyance device
- Patent number 5,510,882
- Issue date Apr 23, 1996
- Mita Industrial Co., Ltd.
- Shinji Kikuta
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20080175611
- Publication date Jul 24, 2008
- Sharp Kabushiki Kaisha
- Shoji TOMITA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device and image forming apparatus provided with same
- Publication number 20060083541
- Publication date Apr 20, 2006
- Sharp Kabushiki Kaisha
- Tsutomu Nagata
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing cartridge
- Publication number 20020154914
- Publication date Oct 24, 2002
- Naotaka Funayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner cartridge and image forming apparatus
- Publication number 20020064395
- Publication date May 30, 2002
- Naotaka Funayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Process cartridge and image forming apparatus
- Publication number 20020048467
- Publication date Apr 25, 2002
- Naotaka Funayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner replenishing device
- Publication number 20010008591
- Publication date Jul 19, 2001
- Masatoshi Kaneshige
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Tsutomu Nagata

Person

Patents Grantslast 30 patents

Image forming apparatus and method with process control for stably...

Developing device and image forming apparatus provided with same

Image apparatus with developing cartridge having two accommodating...

Detachable process cartridge for image forming apparatus

Toner cartridge and image forming apparatus

Toner cartridge

Developing unit for an image forming apparatus

Toner supply device with rotatable agitating element

Developing unit with agitator and conveying sheet for toner

Developing unit equipped with a toner replenishing device configure...

Developing apparatus having stirring shafts with elliptic stirring...

Developing unit and toner replenishing device with conveying apparatus

Developer cartridge

Latent electrostatic image developing device having a toner concent...

Developer agitating/conveying device

Developing device having an improved agitation and conveyance device

Patents Applicationslast 30 patents

IMAGE FORMING APPARATUS

Developing device and image forming apparatus provided with same

Developing cartridge

Toner cartridge and image forming apparatus

Process cartridge and image forming apparatus

Toner replenishing device