Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7103485 | Method for compensating secondary current of current transformers | Yong Cheol Kang, Yi-Jae Lim | 2006-09-05 |
| 7099209 | Semiconductor memory device having repair circuit | Sung-Joo Ha, Ho-Youb Cho | 2006-08-29 |
| 7002862 | Semiconductor memory device with sense amplifier driver having multiplied output lines | — | 2006-02-21 |
| 6989703 | Shared delay circuit of a semiconductor device | — | 2006-01-24 |
| 6958894 | Relaying method for protecting a transformer using a difference of current | Yong Cheol Kang, Byung Eun Lee, Jae Sung Yun | 2005-10-25 |
| 6879197 | Apparatus for generating driving voltage for sense amplifier in a memory device | Chang-Seok Kang | 2005-04-12 |
| 6771555 | Row access information transfer device using internal wiring of a memory cell array | — | 2004-08-03 |
| 6747909 | Decoding apparatus for semiconductor memory device, and enable method therefore | — | 2004-06-08 |
| 6731560 | Refresh apparatus for semiconductor memory device, and refresh method thereof | Seok-Cheol Yoon, Jae Jin Lee, Chul-Ho Kim | 2004-05-04 |
| 6731481 | Relaying method for protecting transformers | Yong Cheol Kang, Byung Eun Lee, Jae Sung Yun, Seung-Hun Ok | 2004-05-04 |
| 6617839 | Method for detecting current transformer saturation | Yong Cheol Kang, Seung-Hun Ok | 2003-09-09 |
| 6597160 | Method for measuring fundamental frequency component of fault current or voltage signal | Soon yeol Nam, Jong Keun Park | 2003-07-22 |