Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893493 | Preparation method of solvent-free water-dispersible hydroxypropyl methyl cellulose phthalate nanoparticle | Kyu-Il Cho, Hyon Ho Baek, Jun-Young Lee, Il Hyuk Kim, Jung Hwan Park | 2005-05-17 |
| 6868458 | Communication system for raising channel utilization rate and communication method thereof | — | 2005-03-15 |