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Patent applications and USPTO patent grants for Semoto; Harumichi.The latest application filed is for "method for purification of silicon tetrachloride".
Patent | Date |
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Method for purification of silicon tetrachloride Grant 8,273,316 - Hayashida , et al. September 25, 2 | 2012-09-25 |
Method For Purification Of Silicon Tetrachloride App 20110142742 - Hayashida; Satoshi ;   et al. | 2011-06-16 |
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