Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7108788 | On-site treatment method of food waste generated from collective residence or institutional food service facilities | Ho Nam Chang, Do-yun Kim, Moon II Kim, Chul Hee Ryu | 2006-09-19 |
| 7063968 | Organic acid producing microorganism and process for preparing organic acids employing the same | Sang Yup Lee, Ho Nam Chang, Pyung Cheon Lee | 2006-06-20 |
| 6596521 | Method for manufacturing organic acid by high-efficiency continuous fermentation | Ho Nam Chang, Yong Keun Chang, Sun Hoon Kwon, Pyung Cheon Lee, Ik Keun Yoo +1 more | 2003-07-22 |
| 6406628 | Method for removing nitrogen and phosphorous in wastewater | Ho Nam Chang, Seong Jin Lim, Sun Hoon Kwon, Dong-Won Choi | 2002-06-18 |
| 4604362 | Gas-liquid reactor and a method for reacting liquids and gases | Jin Y. Park, Barry H. O'Brien | 1986-08-05 |