Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8283918 | Apparatus and method for searching eddy current of electric heat tube using measuring magnetic permeability in steam generator | Duck-Gun Park, Derac Son, Kwon Sang Ryu, Dae-hyuk Jyung | 2012-10-09 |
| 6517804 | TiO2 ultrafine powder, and process for preparing thereof | Sun Jae Kim, Soon Dong Park, Chang Kyu Rhee, Il Hiun Kuk | 2003-02-11 |