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Gas discharge panel
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Patent number 4,697,123
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Issue date Sep 29, 1987
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Fujitsu Limited
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Tsutae Shinoda
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H01 - BASIC ELECTRIC ELEMENTS
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Touch sensing device
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Patent number 4,550,310
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Issue date Oct 29, 1985
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Fujitsu Limited
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Hisashi Yamaguchi
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H03 - BASIC ELECTRONIC CIRCUITRY
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Gas discharge panel
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Patent number 4,198,585
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Issue date Apr 15, 1980
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Fujitsu Limited
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Hideo Yamashita
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H01 - BASIC ELECTRIC ELEMENTS
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Gas discharge panel
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Patent number 4,190,788
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Issue date Feb 26, 1980
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Fujitsu Limited
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Kazuo Yoshikawa
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H01 - BASIC ELECTRIC ELEMENTS
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Gas discharge panel
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Patent number 4,185,229
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Issue date Jan 22, 1980
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Fujitsu Limited
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Kazuo Yoshikawa
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Gas discharge panel drive system
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Patent number 4,107,578
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Issue date Aug 15, 1978
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Fujitsu Limited
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Toyoshi Kawada
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS