Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8488400 | Multi-port memory device | — | 2013-07-16 |
| 8225150 | Semiconductor memory device | Chang-Ho Do, Jae-Bum Ko, Jin-Il Chung | 2012-07-17 |
| 8054702 | Semiconductor memory device with signal aligning circuit | Chang-Ho Do | 2011-11-08 |
| 8031552 | Multi-port memory device with serial input/output interface | Jin-Il Chung, Jae Il Kim, Chang-Ho Do | 2011-10-04 |
| 7987402 | Semiconductor memory device having burn-in test mode and method for driving the same | — | 2011-07-26 |
| 7979758 | Semiconductor memory device | Chang-Ho Do, Jae-Bum Ko, Jin-Il Chung | 2011-07-12 |
| 7940095 | Semiconductor memory device and method for driving the same | — | 2011-05-10 |
| 7835219 | Multi-port memory device | Jae Il Kim | 2010-11-16 |
| 7821855 | Multi-port memory device | — | 2010-10-26 |
| 7808851 | Test circuit for multi-port memory device | Chang-Ho Do | 2010-10-05 |
| 7804723 | Semiconductor memory device with signal aligning circuit | Chang-Ho Do | 2010-09-28 |
| 7724052 | Delay locked loop circuit | — | 2010-05-25 |
| 7701800 | Multi-port memory device with serial input/output interface | Jin-Il Chung, Jae Il Kim, Chang-Ho Do | 2010-04-20 |
| 7660176 | Semiconductor memory device and method for driving the same | — | 2010-02-09 |
| 7616022 | Circuit and method for detecting skew of transistors in a semiconductor device | Jun-Gi Choi | 2009-11-10 |
| 7605626 | Clock generator and clock duty cycle correction method | — | 2009-10-20 |
| 7599242 | Test circuit for multi-port memory device | Chang-Ho Do | 2009-10-06 |
| 7512033 | Apparatus and method for controlling clock signal in semiconductor memory device | Jun-Gi Choi | 2009-03-31 |
| 7493533 | Delay detecting apparatus of delay element in semiconductor device and method thereof | Tae Yun Kim, Jun-Gi Choi | 2009-02-17 |
| 7449930 | Delay locked loop circuit | — | 2008-11-11 |
| 7368966 | Clock generator and clock duty cycle correction method | — | 2008-05-06 |
| 7358784 | Delay locked loop | Kyoung-Nam Kim | 2008-04-15 |
| 7310283 | Apparatus and method for controlling clock signal in semiconductor memory device | Jun-Gi Choi | 2007-12-18 |
| 7276930 | Circuit and method for detecting skew of transistor in semiconductor device | Jun-Gi Choi | 2007-10-02 |
| 7149140 | Method of refreshing a memory device utilizing PASR and piled refresh schemes | Tae Yun Kim | 2006-12-12 |