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Optical low pass filter
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Patent number 5,555,129
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Issue date Sep 10, 1996
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Olympus Optical Co., Ltd.
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Mitsujiro Konno
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G02 - OPTICS
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Imaging device
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Patent number 5,471,343
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Issue date Nov 28, 1995
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Olympus Optical Co., Ltd.
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Yoshiharu Takasugi
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G02 - OPTICS
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TV system for endoscopes
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Patent number 5,392,067
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Issue date Feb 21, 1995
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Olympus Optical Co., Ltd.
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Mitsujiro Konno
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G02 - OPTICS
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Optical system for endoscopes
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Patent number 5,050,974
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Issue date Sep 24, 1991
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Olympus Optical Co., Ltd.
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Yoshiharu Takasugi
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL