Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10153284 | Semiconductor device having buried gate structure and method for manufacturing the same, memory cell having the same and electronic device having the same | Ho Jin Cho | 2018-12-11 |
| 10037997 | Semiconductor device having buried gate structure and method for manufacturing the same, memory cell having the same and electronic device having the same | Ho Jin Cho | 2018-07-31 |
| 9947667 | Semiconductor device having buried gate structure and method for manufacturing the same, memory cell having the same and electronic device having the same | Ho Jin Cho | 2018-04-17 |
| 9748248 | Semiconductor device having buried gate structure, method for manufacturing the same, memory cell having the same, and electronic device having the same | — | 2017-08-29 |
| 9634011 | Semiconductor device having buried gate structure and method for manufacturing the same, memory cell having the same and electronic device having the same | Ho Jin Cho | 2017-04-25 |
| 9601590 | Dual work function buried gate-type transistor, method for forming the same, and electronic device including the same | — | 2017-03-21 |
| 9449830 | Transistor having tungsten-based buried gate structure, method for fabricating the same | — | 2016-09-20 |
| D766298 | Display screen or portion thereof with animated graphical user interface | Soo-Jung Bae, Chang Hwan Kim | 2016-09-13 |
| 9431496 | Dual work function buried gate-type transistor, method for forming the same, and electronic device including the same | — | 2016-08-30 |
| 9281373 | Semiconductor device having tungsten gate electrode and method for fabricating the same | — | 2016-03-08 |
| 9245806 | Semiconductor device with transistor and method of fabricating the same | — | 2016-01-26 |
| 9070749 | Semiconductor device including fluorine-free tungsten barrier layer and method for fabricating the same | — | 2015-06-30 |
| 7890040 | Fusing unit and image forming apparatus using the same | Seung-Jun Lee, Dong-jin Seol | 2011-02-15 |
| 7831187 | Fusing unit having a high thermal efficiency and image forming apparatus including the same | Dong-jin Seol | 2010-11-09 |
| 7570913 | Heating roller assembly for image forming apparatus | Dong-jin Seol | 2009-08-04 |
| 7439483 | Real-time confocal microscope using the dispersion optics | Dae Gab Gweon | 2008-10-21 |
| 7437114 | Heating roller and image fixing apparatus using the same | Hwan-guem Kim | 2008-10-14 |
| 7421236 | Fixing unit including backup pressure members and image forming apparatus having the same | Jae-hyeok Jang, Seung-Jun Lee | 2008-09-02 |
| 7388712 | Confocal scanning microscope using two Nipkow disks | Suk Won Lee, Kwang Soo Kim, Dae Gab Gweon, Hong Ki YOO, Seung Woo Lee | 2008-06-17 |
| 7324273 | Confocal self-interference microscopy from which side lobe has been removed | Dae Gab Gweon | 2008-01-29 |
| 7266360 | Low noise amplifier for wireless communications | Kurt Gordon, Jay Wright | 2007-09-04 |
| 7123112 | Complementary voltage controlled oscillator | Choong-yul Cha, Sang-Gug Lee | 2006-10-17 |