Koji YASUKAWA

Person

Suwa-shi, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light emitting device
- Patent number 8,922,112
- Issue date Dec 30, 2014
- Seiko Epson Corporation
- Hidekazu Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting element, light-emitting apparatus, display, and elec...
- Patent number 8,415,685
- Issue date Apr 9, 2013
- Seiko Epson Corporation
- Tetsuji Fujita
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting element, light-emitting device, display, and electro...
- Patent number 8,314,419
- Issue date Nov 20, 2012
- Seiko Epson Corporation
- Masayuki Mitsuya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-emitting device that includes a plurality of light-emitting l...
- Patent number 7,960,912
- Issue date Jun 14, 2011
- Seiko Epson Corporation
- Koji Yasukawa
- Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information Patent Grant
Light-emitting element, display device, and electronic apparatus
- Patent number 7,947,992
- Issue date May 24, 2011
- Seiko Epson Corporation
- Koji Yasukawa
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Organic electroluminescent device comprising a stack partition stru...
- Patent number 7,863,814
- Issue date Jan 4, 2011
- Seiko Epson Corporation
- Masayuki Mitsuya
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electroluminescent device having island-shaped barrier layers
- Patent number 7,755,281
- Issue date Jul 13, 2010
- Seiko Epson Corporation
- Koji Yasukawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT-EMITTING ELEMENT, LIGHT-EMITTING APPARATUS, DISPLAY, AND ELEC...
- Publication number 20110114929
- Publication date May 19, 2011
- SEIKO EPSON CORPORATION
- Tetsuji FUJITA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, DISPLAY, AND ELECTRO...
- Publication number 20100230688
- Publication date Sep 16, 2010
- SEIKO EPSON CORPORATION
- Masayuki MITSUYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, AND ELECTRONIC APPARATUS
- Publication number 20090261360
- Publication date Oct 22, 2009
- SEIKO EPSON CORPORATION
- Koji YASUKAWA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHT-EMITTING DEVICE, DISPLAY, AND ELECTRONIC APPARATUS
- Publication number 20090091250
- Publication date Apr 9, 2009
- SEIKO EPSON CORPORATION
- Koji YASUKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT-EMITTING DEVICE, DISPLAY, AND ELECTRONIC APPARATUS
- Publication number 20090079335
- Publication date Mar 26, 2009
- SEIKO EPSON CORPORATION
- Masayuki MITSUYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20090051275
- Publication date Feb 26, 2009
- SEIKO EPSON CORPORATION
- Hidekazu Kobayashi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20080303424
- Publication date Dec 11, 2008
- SEIKO EPSON CORPORATION
- Masayuki MITSUYA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ELECTROLUMINESCENT DEVICE
- Publication number 20070205717
- Publication date Sep 6, 2007
- SEIKO EPSON CORPORATION
- Koji YASUKAWA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS
- Publication number 20070075633
- Publication date Apr 5, 2007
- SEIKO EPSON CORPORATION
- Koji YASUKAWA
- H01 - BASIC ELECTRIC ELEMENTS

Koji YASUKAWA

Person

Patents Grantslast 30 patents

Light emitting device

Light-emitting element, light-emitting apparatus, display, and elec...

Light-emitting element, light-emitting device, display, and electro...

Light-emitting device that includes a plurality of light-emitting l...

Light-emitting element, display device, and electronic apparatus

Organic electroluminescent device comprising a stack partition stru...

Electroluminescent device having island-shaped barrier layers

Patents Applicationslast 30 patents

LIGHT-EMITTING ELEMENT, LIGHT-EMITTING APPARATUS, DISPLAY, AND ELEC...

LIGHT-EMITTING ELEMENT, LIGHT-EMITTING DEVICE, DISPLAY, AND ELECTRO...

LIGHT-EMITTING ELEMENT, DISPLAY DEVICE, AND ELECTRONIC APPARATUS

LIGHT-EMITTING DEVICE, DISPLAY, AND ELECTRONIC APPARATUS

LIGHT-EMITTING DEVICE, DISPLAY, AND ELECTRONIC APPARATUS

LIGHT EMITTING DEVICE

ORGANIC ELECTROLUMINESCENT DEVICE

ELECTROLUMINESCENT DEVICE

ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS