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Heat treatment apparatus
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Patent number RE40052
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Issue date Feb 12, 2008
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Tokyo Electron Limited
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Eiichi Shirakawa
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219 - Electric heating
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Heat treatment apparatus
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Patent number 6,450,803
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Issue date Sep 17, 2002
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Tokyo Electron Limited
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Eiichi Shirakawa
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H01 - BASIC ELECTRIC ELEMENTS
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Heat treatment apparatus
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Patent number 6,229,116
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Issue date May 8, 2001
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Tokyo Electron Limited
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Eiichi Shirakawa
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F27 - FURNACES KILNS OVENS RETORTS
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Heat treatment apparatus
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Patent number 6,222,161
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Issue date Apr 24, 2001
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Tokyo Electron Limited
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Eiichi Shirakawa
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H01 - BASIC ELECTRIC ELEMENTS
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Heat treating apparatus
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Patent number 6,191,394
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Issue date Feb 20, 2001
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Tokyo Electron Ltd.
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Eiichi Shirakawa
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H01 - BASIC ELECTRIC ELEMENTS