Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11279852 | CMP slurry compositions and methods of fabricating a semiconductor device using the same | Chang Gil Kwon, Sung Pyo LEE, Dongchan Kim, Bo Yun Kim, Jun Ha HWANG | 2022-03-22 |
| 10692561 | Semiconductor memory device, memory system, and refresh method thereof | Min Jang, Seungjun Bae | 2020-06-23 |
| 9899361 | Semiconductor package | Hyoungjoon Kim, Kwangil Park, Seok-Hong Kwon, Chulsung Park, Heejin Lee +1 more | 2018-02-20 |
| 9851629 | Projector | Seungman Jeong, Hyunho Choi, Sanghun Lee | 2017-12-26 |
| 9135981 | Memory system having memory ranks and related tuning method | Chul-Sung Park, Chi-Sung Oh | 2015-09-15 |
| 9047929 | Memory system having memory ranks and related tuning method | Chul-Sung Park, Chi-Sung Oh | 2015-06-02 |
| 8894212 | Projector optical system having field lens changing optical angle of illuminated light | Seungman Jeong, Hyunho Choi, Sanghun Lee | 2014-11-25 |
| 8867133 | Polarization converting device and method for manufacturing the same | Seungman Jeong, Hyunho Choi | 2014-10-21 |
| 8721090 | Projection system having light sources selectively driven in response to an operation mode | Hyunho Choi, Seungman Jeong | 2014-05-13 |
| 8651665 | Projector | Seungman Jeong, Hyunho Choi, Sanghun Lee | 2014-02-18 |
| 8643949 | Polarization conversion apparatus | Seungman Jeong, Hyunho Choi, Sanghun Lee | 2014-02-04 |
| 8500286 | Projection system | Seungman Jeong, Hyunho Choi, Sanghun Lee | 2013-08-06 |
| 8427893 | Redundancy memory cell access circuit and semiconductor memory device including the same | — | 2013-04-23 |
| 8347171 | Semiconductor memory device capable of reducing current in PASR mode | — | 2013-01-01 |
| 8120976 | Line defect detection circuit for detecting weak line | Kye-hyun Kyung | 2012-02-21 |
| 7477562 | Semiconductor memory device and a refresh clock signal generator thereof | — | 2009-01-13 |
| 7158423 | Semiconductor memory device and array internal power voltage generating method thereof | — | 2007-01-02 |