Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221365 | Method for concentrating aqueous solution with low energy by using reverse osmosis and forward osmosis in state in which multiple-no osmotic pressure difference is induced | Yoon Seok Chang, Nam Uook Kim | 2025-02-11 |
| 10953367 | Method of osmotic pressure free reverse osmosis for enriching solute-containing solution to high concentration | — | 2021-03-23 |
| 9950297 | Method for concentrating aqueous containing solute into high concentration by hydraulic-membrane process under no difference in osmotic pressure | Kwonsu JUNG, Gwon Woo Park, Yeu-Chun Kim, Charles Seo | 2018-04-24 |
| 7803587 | Method for developing culture medium using genome information and in silico analysis | Sang Yup Lee, Hyohak Song, Tae-Yong Kim, Bo-Kyung Choi | 2010-09-28 |
| 7108788 | On-site treatment method of food waste generated from collective residence or institutional food service facilities | Do-yun Kim, Moon II Kim, Chul Hee Ryu, Woo-Gi Lee | 2006-09-19 |
| 7063968 | Organic acid producing microorganism and process for preparing organic acids employing the same | Sang Yup Lee, Pyung Cheon Lee, Woo-Gi Lee | 2006-06-20 |
| 6989251 | Method for manufacturing highly-concentrated polyglutamic acid with additional supply of saccharides | Sang Yup Lee, Nagendra Narayan Thakur, Jin-Hwan Do | 2006-01-24 |
| 6596521 | Method for manufacturing organic acid by high-efficiency continuous fermentation | Yong Keun Chang, Sun Hoon Kwon, Woo-Gi Lee, Pyung Cheon Lee, Ik Keun Yoo +1 more | 2003-07-22 |
| 6406628 | Method for removing nitrogen and phosphorous in wastewater | Seong Jin Lim, Sun Hoon Kwon, Woo-Gi Lee, Dong-Won Choi | 2002-06-18 |
| 6204046 | Gordona sp. CYKS1 (KCTC 0431BP) capable of desulfurizing fossil fuel containing organic sulfur compounds | Yong Keun Chang, Sung-Keun Rhee, Je Hwan Chang, Jung Hyun Sung | 2001-03-20 |
| 6197570 | Norcardia sp. CKYS2 ((KCTC 0432BP) capable of desulfurizing fossil fuel containing organic sulfur compounds | Yong Keun Chang, Sung-Keun Rhee, Je Hwan Chang, Jung Hyun Sung | 2001-03-06 |
| 5766907 | Method for immobilization of whole microbial cells in calcium alginate capsules | Gi-Hun Seong, Ik Keun Yoo, Joong Kon Park, Jin Ho Seo | 1998-06-16 |
| 4910139 | Method for continuously producing citric acid by dual hollow fiber membrane bioreactor | Bong Hyun Chung | 1990-03-20 |