Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7679954 | Phase change memory apparatus having an improved cycling endurance and programming method therefor | Suyoun Lee, Byung-ki Cheong, Jeung-hyun Jeong, Taek Sung Lee | 2010-03-16 |
| 7632456 | Phase change material for high density non-volatile memory | Byung-ki Cheong, Jeung-hyun Jeong, Dae-Hwan Kang, Han Ju Jung, Taek Sung Lee +2 more | 2009-12-15 |
| 7233054 | Phase change material and non-volatile memory device using the same | Dong Ho Anh, Tae-Yon Lee, Ki Bum Kim, Byung-ki Cheong, Dae-Hwan Kang +3 more | 2007-06-19 |
| 7181114 | Waveguide type optical device using large third order non-linearity optical material and method for operating the same | Taek Sung Lee, Kyeong Seok Lee, Byung-ki Cheong, In Ho Kim | 2007-02-20 |
| 7116607 | Apparatus and method of removing disturbances during optical recording and/or reproducing | Moon-noh Lee, Gwang Ho Lee, Sung-ro Go, Hong-rok Kim, Il-Hong Suh +2 more | 2006-10-03 |
| 6961300 | Optical recording medium having first and second super-resolution layers | Byung-ki Cheong, Soon-Gwang Kim, Moonkyo Chung, Taek Sung Lee, Sung-Jin Park +2 more | 2005-11-01 |
| 6753059 | Optical recording material and optical recording medium using same | Byung-ki Cheong, Soon-Gwang Kim, Taek Sung Lee, Sung-Jin Park, Tae-Yon Lee +1 more | 2004-06-22 |
| 6670016 | High density optical information recording medium | Soon-Gwang Kim, Byung-ki Cheong, Moon Kyo Chung, Taek Sung Lee | 2003-12-30 |