Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6656378 | Piezoelectric ceramic composition reducing leakage current and piezoelectric device using the same | Sang Koo Kwon, Jong-Kuk Hong, Dong Hwan Seo | 2003-12-02 |
| 6649554 | Dielectric composition having increased homogeneity and insulation resistance, method of preparing the same and multi-layer ceramic capacitor using the same | Dong Gyu Chang, Hee Young Son | 2003-11-18 |
| 6641794 | Method for producing barium titanate based powders by oxalate process | Jai Joon Lee | 2003-11-04 |