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CRT display device
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Patent number 5,793,494
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Issue date Aug 11, 1998
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Hitachi, Ltd.
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Tomohiko Douken
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H01 - BASIC ELECTRIC ELEMENTS
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CRT display device
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Patent number 5,767,632
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Issue date Jun 16, 1998
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Hitachi, Ltd.
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Moritoshi Yoshida
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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CRT display apparatus
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Patent number 5,459,378
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Issue date Oct 17, 1995
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Hitachi, Ltd.
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Kazuo Kato
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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