Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4890051 | CMOS input buffer stable for the variation of a power supplying voltage | Yong-Bo Park, Tae-Sung Jung | 1989-12-26 |
| 4852064 | Precharge circuit for use in a semiconductor memory device | Tae-Sung Jung, Sang-Ki Hwang | 1989-07-25 |