Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8450170 | Semiconductor memory device and method of forming the same | Ki-Yeol Byun, Jae-Hwan Moon, Tae-Wan Lim, Seung Ah Kim | 2013-05-28 |
| 7952134 | Semiconductor memory device and method of forming the same | Ki-Yeol Byun, Jae-Hwan Moon, Tae-Wan Lim, Seung Ah Kim | 2011-05-31 |
| 7586135 | Multilevel integrated circuit devices and methods of forming the same | Wook-Hyun Kwon, Ki-Nam Kim, Soon-Moon Jung, Sang-Pil Sim | 2009-09-08 |
| 7531409 | Fabrication method and structure for providing a recessed channel in a nonvolatile memory device | Sang-Pil Sim, Kwang Soo Kim, Heon Lee | 2009-05-12 |
| 7276415 | Contactless nonvolatile memory device and method of forming the same | Wook-Hyun Kwon, Sang-Pil Sim | 2007-10-02 |
| 7075142 | Cell arrays of memory devices having extended source strapping regions | Sang-Pil Sim | 2006-07-11 |
| 6104065 | Semiconductor device having an active region in a substrate with trapezoidal cross-sectional structure | — | 2000-08-15 |
| 6010926 | Method for forming multiple or modulated wells of semiconductor device | Kwang-Myoung Rho, Yo Hwan Koh | 2000-01-04 |
| 5773330 | Semiconductor device and method for fabricating the same | — | 1998-06-30 |
| 5726082 | Semiconductor device and method for fabricating the same | Yo Hwan Koh | 1998-03-10 |
| 5696724 | Sense amplifier | Yo Hwan Koh, Jeung Won Suh | 1997-12-09 |
| 5677210 | Method of producing a fully planarized concave transistor | Yo Hwan Koh, Seong-min Hwang, Kwang Myoung Roh | 1997-10-14 |
| 5663100 | Method for forming contact holes in semiconductor device | Yo Hwan Koh, Seong-min Hwang | 1997-09-02 |
| 5648935 | Sense amplifier | Yo Hwan Koh, Jeung Won Suh | 1997-07-15 |
| 5627095 | Method for fabricating semiconductor devices having bit lines and storage node contacts | Yo Hwan Koh, Seong-min Hwang, Kwang-Myoung Rho | 1997-05-06 |
| 5527738 | Method for forming contacts in semiconductor devices | Yo Hwan Koh, Seong-min Hwang, Kwang-Myoung Rho | 1996-06-18 |
| 5500544 | Dynamic random access memory cell and method for fabricating the same | Yo Hwan Koh, Seong-min Hwang, Kwang Myoung Roh | 1996-03-19 |