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Electronic camera system
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Patent number 6,873,367
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Issue date Mar 29, 2005
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Olympus Optical Co., Ltd.
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Ryuji Hirata
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Method for detecting F-number of lens
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Patent number 4,531,835
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Issue date Jul 30, 1985
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Olympus Optical Company Limited
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Kenichi Oinoue
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Automatic focussing device
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Patent number 4,223,348
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Issue date Sep 16, 1980
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Olympus Optical Co., Ltd.
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Kenichi Oinoue
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G11 - INFORMATION STORAGE
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Illumination device
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Patent number 4,131,361
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Issue date Dec 26, 1978
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Olympus Optical Co., Ltd.
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Tadashi Morokuma
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY