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Patent applications and USPTO patent grants for Sugiyama; Isamu.The latest application filed is for "reductive heat exchange water and heat exchange system using such water".
Patent | Date |
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Reductive heat exchange water and heat exchange system using such water Grant 6,609,564 - Imaoka , et al. August 26, 2 | 2003-08-26 |
Reductive heat exchange water and heat exchange system using such water App 20020088757 - Imaoka, Takashi ;   et al. | 2002-07-11 |
Reductive heat exchange water and heat exchange system using such water Grant 6,350,376 - Imaoka , et al. February 26, 2 | 2002-02-26 |
Method of producing pure water, system therefor and cleaning method therefor Grant 5,439,596 - Ohmi , et al. August 8, 1 | 1995-08-08 |
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