Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6495947 | Piezoelectric ceramic composition, and high power output transformer made of the same composition | Choong Sik Yoo, Joo Hyun Yoo, Yong-Woo Lee | 2002-12-17 |
| 6492763 | Piezoelectric ceramic composition, and high power output transformer made of the same composition | Choong Sik Yoo, Joo Hyun Yoo, Yong-Woo Lee | 2002-12-10 |
| 6442500 | Devices for controlling temperature indications in integrated circuits using adjustable threshold temperatures | — | 2002-08-27 |
| 6417603 | Piezoelectric transformer with patterns for recognizing node point | Nak Cheol Sung | 2002-07-09 |