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Camera
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Patent number 5,937,211
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Issue date Aug 10, 1999
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Canon Kabushiki Kaisha
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Hiroshi Matsushima
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Image taking apparatus
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Patent number 5,745,810
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Issue date Apr 28, 1998
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Canon Kabushiki Kaisha
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Hiroshi Matsushima
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Focus detecting device
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Patent number 5,667,270
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Issue date Sep 16, 1997
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Canon Kabushiki Kaisha
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Akira Akashi
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G02 - OPTICS
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Focus detecting device
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Patent number 5,381,206
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Issue date Jan 10, 1995
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Canon Kabushiki Kaisha
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Akira Akashi
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G02 - OPTICS
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Camera
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Patent number 5,239,334
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Issue date Aug 24, 1993
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Canon Kabushiki Kaisha
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Hiroshi Matsushima
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY