Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455452 | Temperature sensor capable of controlling sensing temperature | — | 2008-11-25 |
| 7397281 | Input/output circuit of semiconductor memory device and input/output method thereof | Jong-Hyun Choi | 2008-07-08 |
| 7394290 | Semiconductor integrated circuit | Jong-Hyun Choi | 2008-07-01 |
| 7371656 | Method for forming STI of semiconductor device | — | 2008-05-13 |
| 7354825 | Methods and apparatus to form gates in semiconductor devices | — | 2008-04-08 |
| 7323894 | Needle alignment verification circuit and method for semiconductor device | Jong-Hyun Choi | 2008-01-29 |
| 7294555 | Method of forming trench in semiconductor device using polish stop layer and anti-reflection coating | — | 2007-11-13 |
| 7260002 | Methods and devices for preventing data stored in memory from being read out | Jong-Hyun Choi, Dong-Il Seo, Kyu-Chan Lee | 2007-08-21 |
| 7224012 | Thin film capacitor and fabrication method thereof | — | 2007-05-29 |
| 7180808 | Semiconductor memory device for performing refresh operation | Jong-Hyun Choi, Dong-Il Seo | 2007-02-20 |
| 7177218 | DRAM device with a refresh period that varies responsive to a temperature signal having a hysteresis characteristic | Jong-Hyun Choi, Beob-Rae Cho | 2007-02-13 |
| 7153748 | Semiconductor devices and methods for fabricating the same | — | 2006-12-26 |
| 7148117 | Methods for forming shallow trench isolation structures in semiconductor devices | — | 2006-12-12 |
| 7030454 | Semiconductor devices and methods of forming a trench in a semiconductor device | — | 2006-04-18 |
| 7015114 | Trench in semiconductor device and formation method thereof | — | 2006-03-21 |
| 7002872 | Semiconductor memory device with a decoupling capacitor | Hyong-Ryol Hwang, Jae-Yoon Sim | 2006-02-21 |
| 6998324 | Methods of fabricating silicon on insulator substrates for use in semiconductor devices | — | 2006-02-14 |
| 6995070 | Fabricating method of thin film capacitor | — | 2006-02-07 |
| 6955990 | Methods for forming a gate in a semiconductor device | — | 2005-10-18 |
| 6909592 | Thin film capacitor and fabrication method thereof | — | 2005-06-21 |
| 6906967 | Negative drop voltage generator in semiconductor memory device and method of controlling negative voltage generation | Jong-Hyun Choi | 2005-06-14 |
| 6893977 | Method of manufacturing a semiconductor device | — | 2005-05-17 |
| 6727157 | Method for forming a shallow trench isolation using air gap | — | 2004-04-27 |