| 8617397 |
Reverse osmosis filtration devices with RFID tag-powered flow and conductivity meters |
Norio Ikeyama |
2013-12-31 |
| 8357300 |
Methods and materials for selective boron adsorption from aqueous solution |
Il Juhn Roh, Craig R. Bartels |
2013-01-22 |
| 7736495 |
Filtration devices with embedded radio frequency identification (RFID) tags |
Norio Ikeyama |
2010-06-15 |
| 7584061 |
Device for measuring permeate flow and permeate conductivity of individual reverse osmosis membrane elements |
Rich Franks, Craig R. Bartels, Norio Ikeyama |
2009-09-01 |
| 7481917 |
Filtration devices with embedded radio frequency identification (RFID) tags |
Norio Ikeyama |
2009-01-27 |
| 7442309 |
Methods for reducing boron concentration in high salinity liquid |
Craig R. Bartels, Masahiko Hirose |
2008-10-28 |
| 6821430 |
Method of treating reverse osmosis membrane element, and reverse osmosis membrane module |
Masaaki Andou, Terutaka Watanabe, Masahiko Hirose, Hisao Hachisuka, Craig R. Bartels +1 more |
2004-11-23 |
| 6805796 |
Water treatment apparatus |
Masahiko Hirose, Atsushi Hiro |
2004-10-19 |
| 5905197 |
Membrane sampling device |
— |
1999-05-18 |