Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6742540 | Two-way orifice check valve device for hydraulic circuit | — | 2004-06-01 |
| 6724052 | Semiconductor device and method of fabricating a semiconductor device | Kang-Sik Cho, Hoo-Seung Cho, Gyu-Chul Kim, Yong-Hyeon Park | 2004-04-20 |
| 6693104 | Theobromine with an anti-carcinogenic activity | Hyong Joo Lee, Ki Won Lee, Kyung Sun Kang, Dong Young Kim, Hyung Hwan Park +2 more | 2004-02-17 |