Naoki Yazawa

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Yamagata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Drive device and drive method of light emitting elements
- Patent number 7,274,151
- Issue date Sep 25, 2007
- Tohoku Pioneer Corporation
- Shingo Wakou
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Light emitting device
- Patent number 7,019,454
- Issue date Mar 28, 2006
- Tohoku Pioneer Corporation
- Gen Suzuki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Organic EL display
- Patent number 6,909,229
- Issue date Jun 21, 2005
- Tohoku Pioneer Corporation
- Naoki Yazawa
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Electronic apparatus, double-sided display panel and method of manu...
- Publication number 20060066236
- Publication date Mar 30, 2006
- Tohoku Pioneer Corporation
- Shinsuke Tanaka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Drive device and drive method of light emitting elements
- Publication number 20050206325
- Publication date Sep 22, 2005
- Tohoku Pioneer Corporation
- Shingo Wakou
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Organic EL display device
- Publication number 20040124768
- Publication date Jul 1, 2004
- Tohoku Pioneer Corporation
- Gen Suzuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Light emitting device
- Publication number 20040056585
- Publication date Mar 25, 2004
- Tohoku Pioneer Corporation
- Gen Suzuki
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Application
Organic EL display
- Publication number 20020089281
- Publication date Jul 11, 2002
- Tohoku Pioneer Corporation
- Naoki Yazawa
- H01 - BASIC ELECTRIC ELEMENTS