Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5812475 | Programmable refresh circuits and methods for integrated circuit memory devices | Sang-Kil Lee | 1998-09-22 |
| 5771200 | Semiconductor memory device | Il-Jae Cho | 1998-06-23 |
| 5703828 | Semiconductor memory | Churoo Park, Chull-Soo Kim, Myung Ho Kim, Seung Hun Lee, Si-Yeol Lee +3 more | 1997-12-30 |
| 5663913 | Semiconductor memory device having high speed parallel transmission line operation and a method for forming parallel transmission lines | Ho-Cheol Lee | 1997-09-02 |
| 5646899 | Bit line sensing circuit of a semiconductor memory device | Seung Hun Lee | 1997-07-08 |
| 5631871 | System for selecting one of a plurality of memory banks for use in an active cycle and all other banks for an inactive precharge cycle | Churoo Park, Chull-Soo Kim, Myung Ho Kim, Seung Hun Lee, Si-Yeol Lee +3 more | 1997-05-20 |
| 5590086 | Semiconductor memory having a plurality of I/O buses | Churoo Park, Chull-Soo Kim, Myung Ho Kim, Seung Hun Lee, Si-Yeol Lee +3 more | 1996-12-31 |
| 5568445 | Synchronous semiconductor memory device with a write latency control function | Churoo Park, Si-Yeol Lee, Ho-Cheol Lee | 1996-10-22 |
| 5535171 | Data output buffer of a semiconducter memory device | Chull-Soo Kim | 1996-07-09 |
| 5485426 | Semiconductor memory device having a structure for driving input/output lines at a high speed | Si-Yeol Lee, Myung Ho Kim | 1996-01-16 |
| 5355033 | Data input buffer circuit for use in a semiconductor memory device | — | 1994-10-11 |
| 5337277 | Row redundancy circuit for a semiconductor memory device | — | 1994-08-09 |
| 5196913 | Input protection device for improving of delay time on input stage in semi-conductor devices | Chang Hyun Kim | 1993-03-23 |