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Patent applications and USPTO patent grants for Iwatani; Akitoshi.The latest application filed is for "apparatus for cake removal in a filter press".
Patent | Date |
---|---|
Apparatus for cake removal in a filter press Grant 4,900,436 - Iwatani February 13, 1 | 1990-02-13 |
Fluorine-containing polyesters, and their production and use Grant 4,250,300 - Saegusa , et al. February 10, 1 | 1981-02-10 |
Wastewater treatment apparatus Grant 4,200,532 - Iwatani , et al. April 29, 1 | 1980-04-29 |
Filter apparatus using floating filter medium Grant 4,198,301 - Iwatani April 15, 1 | 1980-04-15 |
2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, their production and use Grant 4,165,338 - Katsushima , et al. August 21, 1 | 1979-08-21 |
2-Hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl derivatives, and their production and use Grant 4,084,059 - Katsushima , et al. April 11, 1 | 1978-04-11 |
Process for manufacturing polyfluoroalkyl propanols Grant 3,956,405 - Katsushima , et al. May 11, 1 | 1976-05-11 |
Hydroxypolyfluoroalkyl-containing silane derivatives and manufacturing the same Grant 3,944,587 - Katsushima , et al. March 16, 1 | 1976-03-16 |
Polyfluoroalkyl hydroxypropyl phosphates Grant 3,919,361 - Katsushima , et al. November 11, 1 | 1975-11-11 |
2-hydroxy-1,1,2,3,3-pentahydro-perfluoroalkyl Derivatives Grant 3,870,748 - Katsushima , et al. March 11, 1 | 1975-03-11 |
Filter Press Grant 3,807,567 - Iwatani April 30, 1 | 1974-04-30 |
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