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Electron field emission device
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Patent number 5,243,252
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Issue date Sep 7, 1993
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Matsushita Electric Industrial Co., Ltd.
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Akira Kaneko
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H01 - BASIC ELECTRIC ELEMENTS
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Flat CRT display apparatus
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Patent number 4,980,613
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Issue date Dec 25, 1990
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Miyama
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Flat type cathode ray tube
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Patent number 4,939,413
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Issue date Jul 3, 1990
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Matsushita Electric Industrial Co., Ltd.
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Kaoru Tomii
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H01 - BASIC ELECTRIC ELEMENTS
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Flat-shaped display apparatus
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Patent number 4,900,981
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Issue date Feb 13, 1990
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Matsushita Electric Industrial Co.
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Fumio Yamazaki
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H01 - BASIC ELECTRIC ELEMENTS
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Flat type cathode ray tube
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Patent number 4,622,497
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Issue date Nov 11, 1986
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Matsushita Electric Industrial Co., Ltd.
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Hiroshi Miyama
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H01 - BASIC ELECTRIC ELEMENTS
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