Kiyoshi TOIZUMI

Person

Osaka-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Device and method for measuring toner adhesion
- Patent number 8,590,372
- Issue date Nov 26, 2013
- Sharp Kabushiki Kaisha
- Kiyoshi Toizumi
- G01 - MEASURING TESTING
Information Patent Grant
Toner, two-component developer, developing device and image forming...
- Patent number 8,372,572
- Issue date Feb 12, 2013
- Sharp Kabushiki Kaisha
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, two-component developer, developing device, and image formin...
- Patent number 8,053,155
- Issue date Nov 8, 2011
- Sharp Kabushiki Kaisha
- Satoru Ariyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus utilizing cylindrical toner particles
- Patent number 7,761,020
- Issue date Jul 20, 2010
- Sharp Kabushiki Kaisha
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic toner
- Patent number 7,524,600
- Issue date Apr 28, 2009
- Sharp Kabushiki Kaisha
- Tomoko Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device using specific charging unit for charging toner a...
- Patent number 7,283,775
- Issue date Oct 16, 2007
- Sharp Kabushiki Kaisha
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 7,071,960
- Issue date Jul 4, 2006
- Sharp Kabushiki Kaisha
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging system
- Patent number 7,015,938
- Issue date Mar 21, 2006
- Sharp Kabushiki Kaisha
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device conveying toner using a traveling-wave electric f...
- Patent number 6,934,496
- Issue date Aug 23, 2005
- Sharp Kabushiki Kaisha
- Masamitsu Sakuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing apparatus and image forming apparatus using progressive...
- Patent number 6,901,232
- Issue date May 31, 2005
- Sharp Kabushiki Kaisha
- Masamitsu Sakuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Charging method and developing device adopting the same
- Patent number 6,865,350
- Issue date Mar 8, 2005
- Sharp Kabushiki Kaisha
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and manufacturing method thereof
- Patent number 6,858,369
- Issue date Feb 22, 2005
- Sharp Kabushiki Kaisha
- Katsumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Development device, charging method used in the development device...
- Patent number 6,829,446
- Issue date Dec 7, 2004
- Sharp Kabushiki Kaisha
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, and image forming device having the same
- Patent number 6,697,592
- Issue date Feb 24, 2004
- Sharp Kabushiki Kaisha
- Katsumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, charging method used therefor, and printing appa...
- Patent number 6,600,892
- Issue date Jul 29, 2003
- Sharp Kabushiki Kaisha
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and manufacturing method thereof
- Patent number 6,596,454
- Issue date Jul 22, 2003
- Sharp Kabushiki Kaisha
- Katsumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device, printing device, and charging method through con...
- Patent number 6,438,346
- Issue date Aug 20, 2002
- Sharp Kabushiki Kaisha
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,259,869
- Issue date Jul 10, 2001
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer drum with transfer paper ch...
- Patent number 6,233,422
- Issue date May 15, 2001
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with nip time changing device
- Patent number 6,169,862
- Issue date Jan 2, 2001
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer roller with charge-removing...
- Patent number 6,118,954
- Issue date Sep 12, 2000
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Sheet conveying system
- Patent number 6,108,514
- Issue date Aug 22, 2000
- Sharp Kabushiki Kaisha
- Osamu Nakayama
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Transfer apparatus having a transfer drum
- Patent number 6,081,685
- Issue date Jun 27, 2000
- Sharp Kabushiki Kaisha
- Yoshinobu Umetani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having transfer drum with specific construc...
- Patent number 6,081,686
- Issue date Jun 27, 2000
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus
- Patent number 6,026,256
- Issue date Feb 15, 2000
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Fixing device in image forming device
- Patent number 6,011,938
- Issue date Jan 4, 2000
- Sharp Kabushiki Kaisha
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming device equipped with fixing device
- Patent number 5,956,547
- Issue date Sep 21, 1999
- Sharp Kabushiki Kaisha
- Yukikazu Kamei
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus equipped with register rollers for curling...
- Patent number 5,812,923
- Issue date Sep 22, 1998
- Sharp Kabushiki Kaisha
- Kouichi Yamauchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus having variable transfer and attraction vol...
- Patent number 5,799,225
- Issue date Aug 25, 1998
- Sharp Kabushiki Kaisha
- Takuya Abe
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus which stably holds a uniform surface potent...
- Patent number 5,697,034
- Issue date Dec 9, 1997
- Sharp Kabushiki Kaisha
- Yoshie Iwakura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
TONER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING...
- Publication number 20120070775
- Publication date Mar 22, 2012
- Sharp Kabushiki Kaisha
- Kiyoshi TOIZUMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
DEVICE AND METHOD FOR MEASURING TONER ADHESION
- Publication number 20110265561
- Publication date Nov 3, 2011
- Kiyoshi TOIZUMI
- G01 - MEASURING TESTING
Information Patent Application
TONER, DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS
- Publication number 20100104323
- Publication date Apr 29, 2010
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING...
- Publication number 20090042121
- Publication date Feb 12, 2009
- Kiyoshi TOIZUMI
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
TONER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE, AND IMAGE FORMIN...
- Publication number 20090017395
- Publication date Jan 15, 2009
- Satoru Ariyoshi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20080145084
- Publication date Jun 19, 2008
- SHARP KABUSHIKI KAISHA
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic toner
- Publication number 20060177755
- Publication date Aug 10, 2006
- SHARP KABUSHIKI KAISHA
- Tomoko Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device and image forming apparatus adopting the same
- Publication number 20060133859
- Publication date Jun 22, 2006
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Electrophotographic toner
- Publication number 20060024601
- Publication date Feb 2, 2006
- SHARP KABUSHIKI KAISHA
- Satoshi Ogawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Method for producing material of electronic device
- Publication number 20050002694
- Publication date Jan 6, 2005
- Taisuke Kaminura
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Application
Developing device and image forming device
- Publication number 20040213608
- Publication date Oct 28, 2004
- Masamitsu Sakuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20040189781
- Publication date Sep 30, 2004
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device and image forming device provided with it
- Publication number 20040037593
- Publication date Feb 26, 2004
- Masamitsu Sakuma
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Development device, charging method used in the development device...
- Publication number 20030210918
- Publication date Nov 13, 2003
- Kiyoshi Toizumi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Charging method and developing device adopting the same
- Publication number 20030202811
- Publication date Oct 30, 2003
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, and image forming device having the same
- Publication number 20030175052
- Publication date Sep 18, 2003
- Katsumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, charging method used therefor, and printing appa...
- Publication number 20020141790
- Publication date Oct 3, 2002
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device, printing device, and charging method through con...
- Publication number 20020001486
- Publication date Jan 3, 2002
- Taisuke Kamimura
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and manufacturing method thereof
- Publication number 20010036586
- Publication date Nov 1, 2001
- Katsumi Adachi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Kiyoshi TOIZUMI

Person

Patents Grantslast 30 patents

Device and method for measuring toner adhesion

Toner, two-component developer, developing device and image forming...

Toner, two-component developer, developing device, and image formin...

Image forming apparatus utilizing cylindrical toner particles

Electrophotographic toner

Developing device using specific charging unit for charging toner a...

Image forming apparatus

Charging system

Developing device conveying toner using a traveling-wave electric f...

Developing apparatus and image forming apparatus using progressive...

Charging method and developing device adopting the same

Toner and manufacturing method thereof

Development device, charging method used in the development device...

Developing device, and image forming device having the same

Developing device, charging method used therefor, and printing appa...

Toner and manufacturing method thereof

Developing device, printing device, and charging method through con...

Image forming apparatus

Image forming apparatus having transfer drum with transfer paper ch...

Image forming apparatus with nip time changing device

Image forming apparatus having transfer roller with charge-removing...

Sheet conveying system

Transfer apparatus having a transfer drum

Image forming apparatus having transfer drum with specific construc...

Image forming apparatus

Fixing device in image forming device

Image forming device equipped with fixing device

Image forming apparatus equipped with register rollers for curling...

Image forming apparatus having variable transfer and attraction vol...

Image forming apparatus which stably holds a uniform surface potent...

Patents Applicationslast 30 patents

TONER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING...

DEVICE AND METHOD FOR MEASURING TONER ADHESION

TONER, DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING APPARATUS

TONER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE AND IMAGE FORMING...

TONER, TWO-COMPONENT DEVELOPER, DEVELOPING DEVICE, AND IMAGE FORMIN...

Image forming apparatus

Electrophotographic toner

Developing device and image forming apparatus adopting the same

Electrophotographic toner

Method for producing material of electronic device

Developing device and image forming device

Image forming apparatus

Developing device and image forming device provided with it

Development device, charging method used in the development device...

Charging method and developing device adopting the same

Developing device, and image forming device having the same

Developing device, charging method used therefor, and printing appa...

Developing device, printing device, and charging method through con...

Toner and manufacturing method thereof