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Varifocal lens
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Patent number 5,574,598
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Issue date Nov 12, 1996
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Nippondenso Co., Ltd.
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Tukasa Koumura
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G02 - OPTICS
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Fine structure forming device
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Issue date Mar 14, 1995
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Nippondenso Co., Ltd.
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Nobuyoshi Sakakibara
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Electrical discharge machine
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Issue date Oct 18, 1994
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Nippondenso Co., Ltd.
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Takayuki Tominaga
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Method for producing a PLZT compound
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Patent number 4,832,893
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Issue date May 23, 1989
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Nippondenso Co., Ltd.
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Michio Hisanaga
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES