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Image pickup device
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Patent number 5,191,435
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Issue date Mar 2, 1993
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Canon Kabushiki Kaisha
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Tokuichi Tsunekawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Image recording system
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Patent number 4,928,184
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Issue date May 22, 1990
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Canon Kabushiki Kaisha
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Tokuichi Tsunekawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Semi-conductor I.C. element
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Patent number 4,785,338
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Issue date Nov 15, 1988
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Canon Kabushiki Kaisha
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Takao Kinoshita
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H01 - BASIC ELECTRIC ELEMENTS
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Image recording system
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Patent number 4,658,304
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Issue date Apr 14, 1987
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Canon Kabushiki Kaisha
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Tokuichi Tsunekawa
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Focus detecting system
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Patent number 4,641,942
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Issue date Feb 10, 1987
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Canon Kabushiki Kaisha
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Shinji Sakai
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G02 - OPTICS
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-
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Focus detecting device
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Patent number 4,560,864
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Issue date Dec 24, 1985
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Canon Kabushiki Kaisha
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Takao Kinoshita
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G02 - OPTICS
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Camera system
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Patent number 4,527,879
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Issue date Jul 9, 1985
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Canon Kabushiki Kaisha
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Kazuya Hosoe
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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-
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Range finder
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Patent number 4,477,168
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Issue date Oct 16, 1984
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Canon Kabushiki Kaisha
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Kazuya Hosoe
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G01 - MEASURING TESTING
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Focus detecting system
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Patent number 4,475,800
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Issue date Oct 9, 1984
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Canon Kabushiki Kaisha
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Takao Kinoshita
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G02 - OPTICS
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Focus detecting device
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Patent number 4,470,676
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Issue date Sep 11, 1984
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Canon Kabushiki Kaisha
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Takao Kinoshita
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G02 - OPTICS
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Range finding device
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Patent number 4,469,417
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Issue date Sep 4, 1984
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Canon Kabushiki Kaisha
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Makoto Masunaga
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G02 - OPTICS
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Focus detecting system
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Patent number 4,459,002
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Issue date Jul 10, 1984
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Canon Kabushiki Kaisha
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Shinji Sakai
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G02 - OPTICS
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Focus adjusting device
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Patent number 4,443,086
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Issue date Apr 17, 1984
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Canon Kabushiki Kaisha
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Kazuya Hosoe
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G02 - OPTICS
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Signal processing system
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Patent number 4,437,743
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Issue date Mar 20, 1984
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Canon Kabushiki Kaisha
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Shinji Sakai
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G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
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Focus detecting system
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Patent number 4,428,652
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Issue date Jan 31, 1984
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Canon Kabushiki Kaisha
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Shinji Sakai
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G02 - OPTICS
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-
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Focus detecting system
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Patent number 4,411,504
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Issue date Oct 25, 1983
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Canon Kabushiki Kaisha
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Takao Kinoshita
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G02 - OPTICS