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Multi-screen projector
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Patent number 5,467,221
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Issue date Nov 14, 1995
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Hitachi, Ltd.
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Yoshiaki Iwahara
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Multi-screen projector
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Patent number 5,085,495
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Issue date Feb 4, 1992
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Hitachi, Ltd.
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Yoshiaki Iwahara
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Multi-screen projector
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Patent number 5,011,277
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Issue date Apr 30, 1991
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Hitachi, Ltd.
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Masanori Ogino
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY