Issued Patents All Time
Showing 126–138 of 138 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785173 | Semiconductor memory device capable of performing high-frequency wafer test operation | Kwon Sohn, Uk-Rae Cho | 2004-08-31 |
| 6735674 | Method of maintaining data coherency in late-select synchronous pipeline type semiconductor memory device and data coherency maintaining circuit therefor | — | 2004-05-11 |
| 6714038 | Apparatus for controlling input termination of semiconductor memory device and method for the same | Byong-Kwon Lee | 2004-03-30 |
| 6617894 | Circuits and methods for generating internal clock signal of intermediate phase relative to external clock | Yong-Jin Yoon, Uk-Rae Cho, Jung-Woo Park, Nam-Seog Kim | 2003-09-09 |
| 6594818 | Memory architecture permitting selection of storage density after fabrication of active circuitry | Su-Chul Kim, Hyun-Geun Byun, Jong-Cheol Lee, Uk-Rae Cho | 2003-07-15 |
| 6583647 | Signal converting system having level converter for use in high speed semiconductor device and method therefor | Nam-Seog Kim, Uk-Rae Cho | 2003-06-24 |
| 6507224 | High speed input receiver for generating pulse signal | Jong-Cheol Lee, Yong-Jin Yoon | 2003-01-14 |
| 6459637 | Zero margin enable controlling apparatus and method of sense amplifier adapted to semiconductor memory device | Jong-Cheol Lee | 2002-10-01 |
| 6459652 | Semiconductor memory device having echo clock path | Jong-Cheol Lee | 2002-10-01 |
| 6353575 | Echo clock generating circuit of semiconductor memory device and method thereof | — | 2002-03-05 |
| 6307424 | Programmable impedance control output circuit and programmable impedance control method thereof in semiconductor device | — | 2001-10-23 |
| 6194954 | Voltage controlled generator for semiconductor devices | Saeng Hwan Kim, Ki-Chang Chun | 2001-02-27 |
| 6166969 | Method and apparatus for a level shifter for use in a semiconductor memory device | Byoung Cheol Song, Hak-Soo Yu | 2000-12-26 |