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Multibeam scanning system
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Patent number 5,210,635
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Issue date May 11, 1993
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Dainippon Screen Mfg. Co., Ltd.
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Shinichi Nagata
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Lighting optical system
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Patent number 5,084,808
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Issue date Jan 28, 1992
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Dainippon Screen Mfg. Co., Ltd.
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Kenji Endo
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G02 - OPTICS
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Optical lighting system
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Patent number 5,010,465
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Issue date Apr 23, 1991
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Dainippon Screen Mfg. Co., Ltd.
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Kenji Endo
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G02 - OPTICS
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Illumination system
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Patent number 5,005,959
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Issue date Apr 9, 1991
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Dainippon Screen Mfg. Co., Ltd.
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Shinichi Nagata
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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-
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Optical system
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Patent number 4,852,980
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Issue date Aug 1, 1989
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Dainippon Screen Manufacturing Co., Ltd.
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Nagata Shinichi
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G02 - OPTICS