Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650303 | Ceramic chip antenna | Seok Jin Yoon, Ji Won Choi, Chong Yun KANG, Sung Hun Sim | 2003-11-18 |
| 6628045 | Ring-type piezoelectric ultrasonic motor | Seok Jin Yoon, Hyung Jin Jung, Piotr Vasiljev | 2003-09-30 |