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Electroluminescent display device
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Patent number 4,814,668
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Issue date Mar 21, 1989
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Matsushita Electric Industrial Co., Ltd.
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Takao Tohda
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Thin film EL panel
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Patent number 4,668,582
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Issue date May 26, 1987
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Matsushita Electric Industrial Co., Ltd.
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Tomizo Matsuoka
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Electroluminescent display device
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Patent number 4,634,934
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Issue date Jan 6, 1987
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Matsushita Electric Industrial Co. Ltd.
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Takao Tohda
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Thin film integrated device
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Patent number 4,602,192
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Issue date Jul 22, 1986
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Matsushita Electric Industrial Co., Ltd.
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Koji Nomura
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H01 - BASIC ELECTRIC ELEMENTS
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Humidity sensitive device
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Patent number 4,594,569
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Issue date Jun 10, 1986
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Matsushita Electric Industrial Co., Ltd.
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Fumio Fukushima
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G01 - MEASURING TESTING
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Method for making multilayer ceramic body
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Patent number 4,586,972
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Issue date May 6, 1986
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Matsushita Electric Industrial Co., Ltd.
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Yoichirou Yokotani
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Ceramic luminescent device
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Patent number 4,386,295
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Issue date May 31, 1983
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Matsushita Electric Industrial Co., Ltd.
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Yosuke Fujita
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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Multi-functional sensor
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Patent number 4,378,691
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Issue date Apr 5, 1983
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Matsushita Electric Industrial Co., Ltd.
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Jiro Terada
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G01 - MEASURING TESTING
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Ceramic type sensor device
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Patent number 4,333,067
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Issue date Jun 1, 1982
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Matsushita Electric Industrial Co., Ltd.
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Koichi Kugimiya
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G01 - MEASURING TESTING
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Humidity detecting apparatus
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Patent number 4,326,414
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Issue date Apr 27, 1982
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Matsushita Electric Industrial Co., Ltd.
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Jiro Terada
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G01 - MEASURING TESTING
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Humidity detecting apparatus
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Patent number 4,270,085
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Issue date May 26, 1981
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Matsushita Electric Industrial Co. Ltd.
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Jiro Terada
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G01 - MEASURING TESTING
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