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Optical device
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Patent number 5,297,127
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Issue date Mar 22, 1994
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Kabushiki Kaisha Toshiba
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Hideki Ohtsuka
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G11 - INFORMATION STORAGE
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Cartridge loading apparatus
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Patent number 4,896,312
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Issue date Jan 23, 1990
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Kabushiki Kaisha Toshiba
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Kazuharu Odawara
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G11 - INFORMATION STORAGE
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Information memory medium
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Patent number 4,866,697
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Issue date Sep 12, 1989
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Kabushiki Kaisha Toshiba
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Ryoji Yamaguchi
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G11 - INFORMATION STORAGE
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Information memory medium
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Patent number 4,827,470
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Issue date May 2, 1989
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Kabushiki Kaisha Toshiba
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Kazuharu Odawara
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G11 - INFORMATION STORAGE
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Information memory medium
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Patent number 4,827,468
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Issue date May 2, 1989
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Kabushiki Kaisha Toshiba
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Kazuharu Odawara
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G11 - INFORMATION STORAGE
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Cartridge loading apparatus
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Patent number 4,731,776
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Issue date Mar 15, 1988
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Kabushiki Kaisha Toshiba
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Masara Ishii
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G11 - INFORMATION STORAGE
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Radiation-sensitive record disc
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Patent number 4,504,842
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Issue date Mar 12, 1985
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Tokyo Shibaura Denki Kabushiki Kaisha
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Kazuharu Odawara
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G11 - INFORMATION STORAGE