Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5504357 | Dynamic random access memory having a vertical transistor | Jong Seok Kim, Chung G. Choi | 1996-04-02 |
| 5376575 | Method of making dynamic random access memory having a vertical transistor | Jong Seok Kim, Chung G. Choi | 1994-12-27 |
| 4950619 | Method for the fabrication of a high resistance load resistor utilizing side wall polysilicon spacers | Yeong Soo Choi, Yoon-Jik Lee | 1990-08-21 |