Tohru Sakuwa

Person

Nara-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Process unit and image forming apparatus
- Patent number 11,625,000
- Issue date Apr 11, 2023
- SHARP KABUSHIKI KAISHA
- Tohru Sakuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus capable of preventing waste toner from ente...
- Patent number 10,146,171
- Issue date Dec 4, 2018
- Sharp Kabushiki Kaisha
- Tohru Sakuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging device, process cartridge, and image forming apparatus
- Patent number 9,778,590
- Issue date Oct 3, 2017
- Sharp Kabushiki Kaisha
- Yasuhiro Nishimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Exhaust device, image forming apparatus including the same, recordi...
- Patent number 8,139,974
- Issue date Mar 20, 2012
- Sharp Kabushiki Kaisha
- Tohru Sakuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging roller, process cartridge and image forming apparatus
- Patent number 7,934,316
- Issue date May 3, 2011
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Cleaning device which cleans a contact charging member that is disp...
- Patent number 7,894,741
- Issue date Feb 22, 2011
- Sharp Kabushiki Kaisha
- Kohji Shinkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus, process cartridge used therein, and produc...
- Patent number 7,869,743
- Issue date Jan 11, 2011
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Changing the charging applied voltage control in an image forming a...
- Patent number 7,706,703
- Issue date Apr 27, 2010
- Sharp Kabushiki Kaisha
- Tohru Sakuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging roller and image forming apparatus incorporating same
- Patent number 7,668,484
- Issue date Feb 23, 2010
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Recording agent, image forming device, and image forming method
- Patent number 7,285,158
- Issue date Oct 23, 2007
- Sharp Kabushiki Kaisha
- Takuya Iwanami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Transmission/reflection type color liquid crystal display device
- Patent number 6,885,418
- Issue date Apr 26, 2005
- Sharp Kabushiki Kaisha
- Tomohisa Matsushita
- G02 - OPTICS
Information Patent Grant
Warp resistant liquid crystal display device
- Patent number 6,639,645
- Issue date Oct 28, 2003
- Sharp Kabushiki Kaisha
- Tohru Sakuwa
- G02 - OPTICS
Information Patent Grant
Transmission/reflection type color liquid crystal display device
- Patent number 6,501,521
- Issue date Dec 31, 2002
- Sharp Kabushiki Kaisha
- Tomohisa Matsushita
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
PROCESS UNIT AND IMAGE FORMING APPARATUS
- Publication number 20220171327
- Publication date Jun 2, 2022
- Sharp Kabushiki Kaisha
- Tohru SAKUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
IMAGE FORMING APPARATUS
- Publication number 20170102664
- Publication date Apr 13, 2017
- Sharp Kabushiki Kaisha
- Tohru SAKUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS
- Publication number 20170031262
- Publication date Feb 2, 2017
- Sharp Kabushiki Kaisha
- Yasuhiro NISHIMURA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
EXHAUST DEVICE, IMAGE FORMING APPARATUS INCLUDING THE SAME, RECORDI...
- Publication number 20100290804
- Publication date Nov 18, 2010
- Tohru SAKUWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging roller, process cartridge and image forming apparatus
- Publication number 20100003413
- Publication date Jan 7, 2010
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Cleaning device, image forming apparatus, method for controlling cl...
- Publication number 20080292354
- Publication date Nov 27, 2008
- Sharp Kabushiki Kaisha
- Kohji Shinkawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging roller, process cartridge and image forming apparatus
- Publication number 20070271792
- Publication date Nov 29, 2007
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus, process cartridge used therein, and produc...
- Publication number 20070253740
- Publication date Nov 1, 2007
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging roller and image forming apparatus incorporating same
- Publication number 20070253737
- Publication date Nov 1, 2007
- SHARP KABUSHIKI KAISHA
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging device, process cartridge, image forming apparatus and cha...
- Publication number 20070253738
- Publication date Nov 1, 2007
- Sharp Kabushiki Kaisha
- Tohru Sakuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electric charging device, and image forming apparatus
- Publication number 20070212111
- Publication date Sep 13, 2007
- Sharp Kabushiki Kaisha
- Toshiaki Kagawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging applied voltage control in an image forming apparatus
- Publication number 20070160377
- Publication date Jul 12, 2007
- Sharp Kabushiki Kaisha
- Tohru Sakuwa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Recording agent, image forming device, and image forming method
- Publication number 20040187737
- Publication date Sep 30, 2004
- Takuya Iwanami
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Transmission/reflection type color liquid crystal display device
- Publication number 20030007112
- Publication date Jan 9, 2003
- Sharp Kabushiki Kaisha
- Tomohisa Matsushita
- G02 - OPTICS
Information Patent Application
TRANSMISSION/REFLECTION TYPE COLOR LIQUID CRYSTAL DISPLAY DEVICE
- Publication number 20020126238
- Publication date Sep 12, 2002
- Tomohisa Matsushita
- G02 - OPTICS
Information Patent Application
Liquid Crystal display device
- Publication number 20010015787
- Publication date Aug 23, 2001
- Tohru Sakuwa
- G02 - OPTICS

Tohru Sakuwa

Person

Patents Grantslast 30 patents

Process unit and image forming apparatus

Image forming apparatus capable of preventing waste toner from ente...

Charging device, process cartridge, and image forming apparatus

Exhaust device, image forming apparatus including the same, recordi...

Charging roller, process cartridge and image forming apparatus

Cleaning device which cleans a contact charging member that is disp...

Image forming apparatus, process cartridge used therein, and produc...

Changing the charging applied voltage control in an image forming a...

Charging roller and image forming apparatus incorporating same

Recording agent, image forming device, and image forming method

Transmission/reflection type color liquid crystal display device

Warp resistant liquid crystal display device

Transmission/reflection type color liquid crystal display device

Patents Applicationslast 30 patents

PROCESS UNIT AND IMAGE FORMING APPARATUS

IMAGE FORMING APPARATUS

CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

EXHAUST DEVICE, IMAGE FORMING APPARATUS INCLUDING THE SAME, RECORDI...

Charging roller, process cartridge and image forming apparatus

Cleaning device, image forming apparatus, method for controlling cl...

Charging roller, process cartridge and image forming apparatus

Image forming apparatus, process cartridge used therein, and produc...

Charging roller and image forming apparatus incorporating same

Charging device, process cartridge, image forming apparatus and cha...

Electric charging device, and image forming apparatus

Charging applied voltage control in an image forming apparatus

Recording agent, image forming device, and image forming method

Transmission/reflection type color liquid crystal display device

TRANSMISSION/REFLECTION TYPE COLOR LIQUID CRYSTAL DISPLAY DEVICE

Liquid Crystal display device