Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8557114 | Water purification apparatus and method for using pressure filter and pore control fiber filter | Bum-Goo Lee, Hee-Kyong Oh, Jung-Yeol Eom | 2013-10-15 |
| 8518261 | Water purification apparatus and method for using pressure filter and pore control fiber filter | Bum-Goo Lee, Hee-Kyong Oh, Jung-Yeol Eom | 2013-08-27 |
| 7604733 | Apparatus for biological removal of phosphorus and nitrogen using granulated methane-oxidizing bacteria | Kwang Soo Kim, Hee Ja Lee, I-Tae Kim, Kwang Ho Ahn, Chai-Sung Gee +5 more | 2009-10-20 |
| 7520991 | Biological method for removing phosphorus and nitrogen from water using granulated methane-oxidizing bacteria | Kwang Soo Kim, Hee Ja Lee, I-Tae Kim, Kwang Ho Ahn, Chai-Sung Gee +5 more | 2009-04-21 |
| 5935299 | Apparatus and method of spray dryer/bag filter using circulating shield air | Chil Lim Park, Byung Hwan Kim, Gi Ho Park, Hee Jin In | 1999-08-10 |