Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6617793 | Resonator for microwave lighting apparatus and manufacturing method thereof | Joon-Sik Choi | 2003-09-09 |
| 5422464 | Device for sensing food weight of microwave oven | — | 1995-06-06 |