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Patent applications and USPTO patent grants for Ishihara; Fukusaburo.The latest application filed is for "cleaning method".
Patent | Date |
---|---|
Cleaning agent and cleaning method Grant 6,875,288 - Gotoh , et al. April 5, 2 | 2005-04-05 |
Tooth bleaching compositions and methods of bleaching discolored tooth Grant 6,843,981 - Ishibashi , et al. January 18, 2 | 2005-01-18 |
Cleaning method using an oxidizing agent, chelating agent and fluorine compound Grant 6,514,352 - Gotoh , et al. February 4, 2 | 2003-02-04 |
Cleaning method App 20020066465 - Gotoh, Hideto ;   et al. | 2002-06-06 |
Cleaning agent and cleaning method App 20020064963 - Gotoh, Hideto ;   et al. | 2002-05-30 |
Cleaning liquid for semiconductor devices Grant 5,972,862 - Torii , et al. October 26, 1 | 1999-10-26 |
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