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Patent applications and USPTO patent grants for Yamaguchi; Toyoshi.The latest application filed is for "method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same".
Patent | Date |
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Method for treating wastewater and sludge Grant 7,560,027 - Yamaguchi , et al. July 14, 2 | 2009-07-14 |
Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same App 20080110825 - Yamaguchi; Toyoshi ;   et al. | 2008-05-15 |
Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same App 20060169637 - Yamaguchi; Toyoshi ;   et al. | 2006-08-03 |
Method and apparatus for treating sludge, and method and apparatus for treating wastewater utilizing the same App 20040004038 - Yamaguchi, Toyoshi ;   et al. | 2004-01-08 |
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