Issued Patents All Time
Showing 76–94 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7667998 | Phase change memory device and method of forming the same | Won-Cheol Jeong, Jae Hyun Park, Chang Wook Jeong | 2010-02-23 |
| 7625777 | Memory device having highly integrated cell structure and method of its fabrication | Jae-Hee Oh, Jae Hyun Park | 2009-12-01 |
| 7598112 | Phase change memory devices and their methods of fabrication | Jae Hyun Park, Jae-Hee Oh, Won-Cheol Jeong | 2009-10-06 |
| 7534723 | Methods of forming fine patterns, and methods of forming trench isolation layers using the same | Jae Hyun Park, Jae-Hee Oh, Won-Cheol Jeong | 2009-05-19 |
| 7482616 | Semiconductor devices having phase change memory cells, electronic systems employing the same and methods of fabricating the same | Yoon-Jong Song, Young-Nam Hwang, Sang-Don Nam, Sung-Lae Cho, Gwan-Hyeob Koh +10 more | 2009-01-27 |
| 7442602 | Methods of fabricating phase change memory cells having a cell diode and a bottom electrode self-aligned with each other | Jae Hyun Park, Jae-Hee Oh, Won-Cheol Jeong | 2008-10-28 |
| 7411208 | Phase-change memory device having a barrier layer and manufacturing method | Young-Nam Hwang, Gwan-Hyeob Koh, Su-Jin Ahn, Sung-Lae Cho, Kyung-Chang Ryoo +3 more | 2008-08-12 |
| 7385218 | Phase changeable layers including protruding portions in electrodes thereof and methods of forming same | — | 2008-06-10 |
| 7339185 | Phase change memory device and method for forming the same | Yoon-Jong Song, Ki-Nam Kim, Su-Youn Lee, Jae Hyun Park | 2008-03-04 |
| 7323708 | Phase change memory devices having phase change area in porous dielectric layer | Young-Nam Hwang | 2008-01-29 |
| 7282761 | Semiconductor memory devices having offset transistors and methods of fabricating the same | Su-Jin Ahn | 2007-10-16 |
| 7214957 | PRAMS having phase-change layer pattern with electrode contact area and methods of forming the same | Kyung-Chang Ryoo, Su-Youn Lee, Young-Nam Hwang | 2007-05-08 |
| 7130214 | Low-current and high-speed phase-change memory devices and methods of driving the same | — | 2006-10-31 |
| 7105396 | Phase changeable memory cells and methods of fabricating the same | Young-Nam Hwang | 2006-09-12 |
| 7018911 | Methods for fabrication for phase-changeable memory devices having phase-changeable material regions with lateral contacts | Young-Nam Hwang | 2006-03-28 |
| 6995388 | Phase changeable memory devices and methods of forming the same in which an upper electrode includes a tip that extends toward a lower electrode | Young-Nam Hwang | 2006-02-07 |
| 6967865 | Low-current and high-speed phase-change memory devices and methods of driving the same | — | 2005-11-22 |
| 6841793 | Phase-changeable devices having an insulating buffer layer and methods of fabricating the same | — | 2005-01-11 |
| 6806528 | Phase-changeable memory devices having phase-changeable material regions with lateral contacts and methods of fabrication therefor | Young-Nam Hwang | 2004-10-19 |