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Hideaki Iwanaga
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Fukuoka, JP
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last 30 patents
Information
Patent Grant
Organic electroluminescence element
Patent number
6,436,558
Issue date
Aug 20, 2002
Fuji Photo Film Co., Ltd.
Tadahisa Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device and manufacturing method thereof
Patent number
6,416,886
Issue date
Jul 9, 2002
Matsushita Electric Industrial Co., Ltd.
Akira Gyoutoku
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence element, its manufacturing method, and...
Patent number
6,195,142
Issue date
Feb 27, 2001
Matsushita Electrical Industrial Company, Ltd.
Akira Gyotoku
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescent element
Patent number
6,171,715
Issue date
Jan 9, 2001
Fuji Photo Film Co., Ltd.
Tadahisa Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic thin-film electroluminescent display device, method for dri...
Patent number
5,923,119
Issue date
Jul 13, 1999
Matsushita Electric Industrial Co., Ltd.
Shintaro Hara
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic thin film electroluminescent device and its manufacturing m...
Patent number
5,857,886
Issue date
Jan 12, 1999
Matsushita Electric Industrial Co., Ltd.
Hideaki Iwanaga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic thin film electroluminescent device having a carbon layer b...
Patent number
5,710,484
Issue date
Jan 20, 1998
Matsushita Electric Industrial Co., Ltd.
Hideaki Iwanaga
H01 - BASIC ELECTRIC ELEMENTS