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Projection type display
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Patent number 5,765,934
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Issue date Jun 16, 1998
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Mitsubishi Denki Kabushiki Kaisha
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Shinji Okamori
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G02 - OPTICS
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Retrofocus lens system
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Patent number 5,745,297
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Issue date Apr 28, 1998
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Mitsubishi Denki Kabushiki Kaisha
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Toshihide Kaneko
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G02 - OPTICS
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Projection lens unit
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Patent number 5,642,229
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Issue date Jun 24, 1997
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Mitsubishi Denki Kabushiki Kaisha
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Toshihide Kaneko
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G02 - OPTICS
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Projection display apparatus
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Patent number 5,607,216
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Issue date Mar 4, 1997
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Mitsubishi Denki Kabushiki Kaisha
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Toshihide Kaneko
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Projection display apparatus
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Patent number 5,582,473
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Issue date Dec 10, 1996
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Mitsubishi Denki Kabushiki Kaisha
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Eiichi Toide
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Projection lens system
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Patent number 5,572,364
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Issue date Nov 5, 1996
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Mitsubishi Denki Kabushiki Kaisha
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Eiichi Toide
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G02 - OPTICS
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Projection type display apparatus
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Patent number 5,537,167
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Issue date Jul 16, 1996
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Mitsubishi Denki Kabushiki Kaisha
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Eiichi Toide
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Projection lens system
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Patent number 5,404,246
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Issue date Apr 4, 1995
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Mitsubishi Denki Kabushiki Kaisha
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Toshihide Kaneko
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G02 - OPTICS
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-
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Projection cathode ray tube
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Patent number 5,248,518
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Issue date Sep 28, 1993
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Mitsubishi Denki Kabushiki Kaisha
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Eiichi Toide
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H01 - BASIC ELECTRIC ELEMENTS
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-
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Projection lens
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Patent number 5,148,320
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Issue date Sep 15, 1992
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Mitsubishi Denki Kabushiki Kaisha
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Eiichi Toide
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G02 - OPTICS
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-
-
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Projection lens system
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Patent number 5,130,850
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Issue date Jul 14, 1992
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Mitsubishi Denki Kabushiki Kaisha
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Eiichi Toide
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G02 - OPTICS
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Projection display device
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Patent number 5,123,729
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Issue date Jun 23, 1992
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Mitsubishi Denki Kabushiki Kaisha
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Mitsushige Kondo
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Optical head apparatus
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Patent number 5,066,138
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Issue date Nov 19, 1991
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Mitsubishi Denki Kabushiki Kaisha
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Eiichi Toide
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G11 - INFORMATION STORAGE
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Optical head apparatus
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Patent number 4,987,566
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Issue date Jan 22, 1991
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Mitsubishi Denki Kabushiki Kaisha
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Shinsuke Shikama
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G11 - INFORMATION STORAGE
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Optical head device
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Patent number 4,983,002
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Issue date Jan 8, 1991
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Mitsubishi Denki Kabushiki Kaisha
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Shinsuke Shikama
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G02 - OPTICS
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Optical head apparatus
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Patent number 4,888,760
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Issue date Dec 19, 1989
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Mitsubishi Denki Kabushiki Kaisha
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Shinsuke Shikama
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G11 - INFORMATION STORAGE
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