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Plasma display
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Patent number 5,856,823
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Issue date Jan 5, 1999
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Matsushita Electric Industrial Co., Ltd.
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Takayuki Kimoto
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Method of press molding lens material
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Patent number 5,032,160
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Issue date Jul 16, 1991
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Matsushita Electric Industrial Co., Ltd.
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Jun Murata
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Mold for molding optical elements
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Patent number 5,015,280
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Issue date May 14, 1991
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Matsushita Electric Industrial Co., Ltd.
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Takayuki Kimoto
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL