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Koji Yajima
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Nagaokakyo, JP
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last 30 patents
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Patent Grant
Cathode ray tube
Patent number
4,728,856
Issue date
Mar 1, 1988
Mitsubishi Denki Kabushiki Kaisha
Yasuo Iwasaki
H01 - BASIC ELECTRIC ELEMENTS
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Patent Grant
Color cathode ray tube having a reference white fluorescent screen
Patent number
4,406,971
Issue date
Sep 27, 1983
Mitsubishi Denki Kabushiki Kaisha
Yutaka Takano
H01 - BASIC ELECTRIC ELEMENTS