Nobuhiro Miyakawa

Person

Esaka, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Photoconductor, photoconductor cartridge and image-forming apparatus
- Patent number 7,955,770
- Issue date Jun 7, 2011
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Color image forming apparatus and method for stabilizing liquid dev...
- Patent number 7,809,295
- Issue date Oct 5, 2010
- Seiko Epson Corporation
- Shinji Yasukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer
- Patent number 7,723,005
- Issue date May 25, 2010
- Seiko Epson Corporation
- Koji Akioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Liquid developer and image forming apparatus using the same
- Patent number 7,608,375
- Issue date Oct 27, 2009
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developing device and developing method using the same
- Patent number 7,529,503
- Issue date May 5, 2009
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus and toner
- Patent number 7,390,603
- Issue date Jun 24, 2008
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negatively chargeable spherical toner, color image forming apparatu...
- Patent number 7,390,604
- Issue date Jun 24, 2008
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, developing device and developing method using the same
- Patent number 7,356,281
- Issue date Apr 8, 2008
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Negatively chargeable toner, method for producing the same, and ful...
- Patent number 7,309,554
- Issue date Dec 18, 2007
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner, production method thereof, and image forming apparatus using...
- Patent number 7,306,885
- Issue date Dec 11, 2007
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image-forming apparatus using the toner
- Patent number 7,217,486
- Issue date May 15, 2007
- Seiko Epson Corporation
- Hiroshi Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image-forming apparatus employing work function relationships
- Patent number 7,190,928
- Issue date Mar 13, 2007
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Imaging system
- Patent number 7,135,260
- Issue date Nov 14, 2006
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Developing device
- Patent number 7,031,646
- Issue date Apr 18, 2006
- Seiko Epson Corporation
- Shinji Yasukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus employing work function relationships
- Patent number 7,027,758
- Issue date Apr 11, 2006
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner and image forming apparatus using the same
- Patent number 7,022,447
- Issue date Apr 4, 2006
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Non-magnetic single-component toner, method of preparing the same,...
- Patent number 6,994,942
- Issue date Feb 7, 2006
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Non-magnetic single-component toner, method of preparing the same,...
- Patent number 6,875,550
- Issue date Apr 5, 2005
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner used in image forming apparatus
- Patent number 6,863,380
- Issue date Mar 8, 2005
- Seiko Epson Corporation
- Atsunori Kitazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus with improved transfer efficiency
- Patent number 6,829,454
- Issue date Dec 7, 2004
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Image forming apparatus employing work function relationships
- Patent number 6,819,899
- Issue date Nov 16, 2004
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Method for developing electrostatic images using magnetic brush
- Patent number 4,963,454
- Issue date Oct 16, 1990
- Mita Industrial Co., Ltd.
- Koji Yano
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Two-component electrophotographic developer with magnetic carrier
- Patent number 4,614,698
- Issue date Sep 30, 1986
- Mita Industrial Co., Ltd.
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrophotographic apparatus comprising photosensitive layer of am...
- Patent number 4,607,936
- Issue date Aug 26, 1986
- Mita Industrial Co., Ltd.
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Copying machine having reduced image memory
- Patent number 4,592,643
- Issue date Jun 3, 1986
- Mita Industrial Co., Ltd.
- Teruaki Higashiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Toner for electrophotography comprising azoic pigment having silica...
- Patent number 4,576,888
- Issue date Mar 18, 1986
- Mita Industrial Company, Limited
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Azoic pigments having a silica core
- Patent number 4,566,908
- Issue date Jan 28, 1986
- Mita Industrial Company, Limited
- Kaname Nakatani
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrically conductive composition for electro-responsive recordin...
- Patent number 4,557,856
- Issue date Dec 10, 1985
- Mita Industrial Co., Ltd.
- Nobuhiro Miyakawa
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Photosensitive material for electrophotography
- Patent number 4,551,403
- Issue date Nov 5, 1985
- Mita Industrial Co., Ltd.
- Nobuhiro Miyakawa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photosensitive material for electrophotography containing photosens...
- Patent number 4,535,044
- Issue date Aug 13, 1985
- Mita Industrial Co., Ltd.
- Teruaki Higashiguchi
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents

Information Patent Application
Photoconductor, Photoconductor Cartridge and Image-Forming Apparatus
- Publication number 20080220354
- Publication date Sep 11, 2008
- SEIKO EPSON CORPORATION
- Nobuhiro MIYAKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, Developing Device and Developing Method Using the Same
- Publication number 20080176163
- Publication date Jul 24, 2008
- SEIKO EPSON CORPORATION
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Color Image Forming Apparatus and Color Image Forming Method
- Publication number 20080138101
- Publication date Jun 12, 2008
- SEIKO EPSON CORPORATION
- Shinji YASUKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid Developer And Image Forming Apparatus Using The Same
- Publication number 20080008953
- Publication date Jan 10, 2008
- SEIKO EPSON CORPORATION
- Nobuhiro MIYAKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid developer
- Publication number 20070141504
- Publication date Jun 21, 2007
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid Developer and Image Forming Apparatus Using the Same
- Publication number 20070128534
- Publication date Jun 7, 2007
- SEIKO EPSON CORPORATION
- Nobuhiro MIYAKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid Developer and Image Forming Apparatus Using the Same
- Publication number 20070128535
- Publication date Jun 7, 2007
- SEIKO EPSON CORPORATION
- Nobuhiro MIYAKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid Developer and Image Forming Apparatus Using the Same
- Publication number 20070128536
- Publication date Jun 7, 2007
- SEIKO EPSON CORPORATION
- Nobuhiro MIYAKAWA
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, production method thereof, and image forming apparatus using...
- Publication number 20060275680
- Publication date Dec 7, 2006
- SEIKO EPSON CORPORATION
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Liquid developer
- Publication number 20060234150
- Publication date Oct 19, 2006
- Seiko Epson Corporation
- Koji Akioka
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Negatively chargeable spherical toner, color image forming apparatu...
- Publication number 20060177754
- Publication date Aug 10, 2006
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Non-magnetic monocomponent negatively chargeable spherical toner an...
- Publication number 20060040195
- Publication date Feb 23, 2006
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus and toner
- Publication number 20050287457
- Publication date Dec 29, 2005
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and developing device using the same
- Publication number 20050214668
- Publication date Sep 29, 2005
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, developing device and developing method using the same
- Publication number 20050208404
- Publication date Sep 22, 2005
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Developing device
- Publication number 20050095040
- Publication date May 5, 2005
- Seiko Epson Corporation
- Shinji Yasukawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20050084295
- Publication date Apr 21, 2005
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Negatively chargeable toner, method for producing the same, and ful...
- Publication number 20050058924
- Publication date Mar 17, 2005
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Imaging system
- Publication number 20040265714
- Publication date Dec 30, 2004
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner, production method thereof, and image forming apparatus using...
- Publication number 20040248025
- Publication date Dec 9, 2004
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Non-magnetic single-component toner, method of prepairing the same,...
- Publication number 20040234881
- Publication date Nov 25, 2004
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image-forming apparatus
- Publication number 20040218948
- Publication date Nov 4, 2004
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and image-forming apparatus using the toner
- Publication number 20040219448
- Publication date Nov 4, 2004
- Seiko Epson Corporation
- Hiroshi Kato
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner and image forming apparatus using the same
- Publication number 20040096765
- Publication date May 20, 2004
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Non-magnetic single-component toner, method of preparing the same,...
- Publication number 20030157419
- Publication date Aug 21, 2003
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030095814
- Publication date May 22, 2003
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Toner used in image forming apparatus
- Publication number 20030086714
- Publication date May 8, 2003
- Seiko Epson Corporation
- Atsunori Kitazawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Image forming apparatus
- Publication number 20030053821
- Publication date Mar 20, 2003
- Seiko Epson Corporation
- Nobuhiro Miyakawa
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Nobuhiro Miyakawa

Person

Patents Grantslast 30 patents

Photoconductor, photoconductor cartridge and image-forming apparatus

Color image forming apparatus and method for stabilizing liquid dev...

Liquid developer

Liquid developer and image forming apparatus using the same

Toner, developing device and developing method using the same

Image forming apparatus and toner

Negatively chargeable spherical toner, color image forming apparatu...

Toner, developing device and developing method using the same

Negatively chargeable toner, method for producing the same, and ful...

Toner, production method thereof, and image forming apparatus using...

Toner and image-forming apparatus using the toner

Image-forming apparatus employing work function relationships

Imaging system

Developing device

Image forming apparatus employing work function relationships

Toner and image forming apparatus using the same

Non-magnetic single-component toner, method of preparing the same,...

Non-magnetic single-component toner, method of preparing the same,...

Toner used in image forming apparatus

Image forming apparatus with improved transfer efficiency

Image forming apparatus employing work function relationships

Method for developing electrostatic images using magnetic brush

Two-component electrophotographic developer with magnetic carrier

Electrophotographic apparatus comprising photosensitive layer of am...

Copying machine having reduced image memory

Toner for electrophotography comprising azoic pigment having silica...

Azoic pigments having a silica core

Electrically conductive composition for electro-responsive recordin...

Photosensitive material for electrophotography

Photosensitive material for electrophotography containing photosens...

Patents Applicationslast 30 patents

Photoconductor, Photoconductor Cartridge and Image-Forming Apparatus

Toner, Developing Device and Developing Method Using the Same

Color Image Forming Apparatus and Color Image Forming Method

Liquid Developer And Image Forming Apparatus Using The Same

Liquid developer

Liquid Developer and Image Forming Apparatus Using the Same

Liquid Developer and Image Forming Apparatus Using the Same

Liquid Developer and Image Forming Apparatus Using the Same

Toner, production method thereof, and image forming apparatus using...

Liquid developer

Negatively chargeable spherical toner, color image forming apparatu...

Non-magnetic monocomponent negatively chargeable spherical toner an...

Image forming apparatus and toner

Toner and developing device using the same

Toner, developing device and developing method using the same

Developing device

Image forming apparatus

Negatively chargeable toner, method for producing the same, and ful...

Imaging system

Toner, production method thereof, and image forming apparatus using...

Non-magnetic single-component toner, method of prepairing the same,...

Image-forming apparatus

Toner and image-forming apparatus using the toner

Toner and image forming apparatus using the same

Non-magnetic single-component toner, method of preparing the same,...

Image forming apparatus

Toner used in image forming apparatus

Image forming apparatus