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Imaging lens
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Patent number 7,508,601
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Issue date Mar 24, 2009
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Nidec Copal Corporation
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Kazuya Murakami
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G02 - OPTICS
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Zoom lens
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Patent number 7,312,930
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Issue date Dec 25, 2007
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Nidec Copal Corporation
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Kazuya Murakami
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G02 - OPTICS
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Imaging lens
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Patent number 7,193,793
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Issue date Mar 20, 2007
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Nidec Copal Corporation
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Kazuya Murakami
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G02 - OPTICS
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Imaging lens
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Patent number 7,064,905
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Issue date Jun 20, 2006
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Nidec Copal Corporation
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Kazuya Murakami
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G02 - OPTICS
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Rocket train toy assembly
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Patent number 4,393,620
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Issue date Jul 19, 1983
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Takara Co., Ltd.
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Kazuya Murakami
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A63 - SPORTS GAMES AMUSEMENTS
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Toy tractor assembly
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Patent number 4,382,347
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Issue date May 10, 1983
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Takara Co., Ltd.
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Kazuya Murakami
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A63 - SPORTS GAMES AMUSEMENTS