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Yamagata-ken, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Organic electroluminescent display device
Patent number
7,745,987
Issue date
Jun 29, 2010
Tohoku Pioneer Corporation
Isamu Ohshita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Apparatus and method for driving luminescent display panel
Patent number
7,119,768
Issue date
Oct 10, 2006
Tohoku Pioneer Corporation
Naoki Yazawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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
Drive method of light-emitting display panel and organic EL display...
Patent number
6,894,436
Issue date
May 17, 2005
Tohoku Pioneer Corporation
Masato Togashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
Light emitting display device
Publication number
20050083323
Publication date
Apr 21, 2005
Tohoku Pioneer Corporation
Gen Suzuki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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 electroluminescent display device
Publication number
20040012330
Publication date
Jan 22, 2004
Tohoku Pioneer Corporation
Isamu Ohshita
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Drive method of light-emitting display panel and organic EL display...
Publication number
20030184237
Publication date
Oct 2, 2003
Tohoku Pioneer Corporation
Masato Togashi
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Apparatus and method for driving luminescent display panel
Publication number
20030043090
Publication date
Mar 6, 2003
Tohoku Pioneer Corporation
Naoki Yazawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS