Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6658612 | Test signal generating circuit of a semiconductor device with pins receiving signals of multiple voltage levels and method for invoking test modes | Cheol-Hong Park, Jong-Hyun Choi | 2003-12-02 |
| 6643191 | Semiconductor device having chip selection circuit and method of generating chip selection signal | Yun-Sang Lee, Jong-Hyun Choi | 2003-11-04 |
| 6522597 | Semiconductor memory device and bit line isolation gate arrangement method thereof | Jong-Hyun Choi, Jae-Hoon Joo | 2003-02-18 |