Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6043373 | Heterocycle-fused thiazole derivatives | Han Yong Yoo, Kae Jong Chung, Jun Pyo Chai, Man Sik Chang, Wahn Soo Choi +7 more | 2000-03-28 |
| 6035218 | Radio signal repeating apparatus of a code division multiple access communication system | Chang-Heon Oh | 2000-03-07 |
| 6002928 | Switching apparatus and method for transceiver of cellular base station in code division multiple access mobile telecommunication system | Hyung Yoon | 1999-12-14 |
| 5952504 | 4-amino-3-acylnaphthyridine derivatives | Han Yong Yoo, Kae Jong Chung, Man Sik Chang, Wahn Soo Choi, Dae-Pil Kang +6 more | 1999-09-14 |