Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6400932 | Low offset automatic frequency tuning circuits for continuous-time filter | Jong Kee Kwon, Jong-Ryul Lee, Won Chul Song, Hee-Bum Jung, Kyung Soo Kim +2 more | 2002-06-04 |
| 6259321 | CMOS variable gain amplifier and control method therefor | Won Chul Song, Hee-Bum Jung | 2001-07-10 |
| 6121818 | Mixer using replica voltage-current converter | Ook Kim, Jong Kee Kwon, Jong-Ryul Lee, Won Chul Song | 2000-09-19 |
| 6091289 | Low pass filter | Won Chul Song, Jong-Ryul Lee, Jong Kee Kwon, Ook Kim, Kyung Soo Kim | 2000-07-18 |
| 6069537 | Double mode modulator | Ook Kim, Jong Kee Kwon, Jong-Ryul Lee, Won Chul Song, Kyung Soo Kim | 2000-05-30 |
| 6011425 | CMOS offset trimming circuit and offset generation circuit | Ook Kim, Jong Kee Kwon, Jong-Ryul Lee, Won Chul Song, Kyung Soo Kim | 2000-01-04 |
| 5886550 | Integrated circuit built-in type supply power delay circuit | Jong Kee Kwon, Gyu Dong Kim, Ook Kim, Jong-Ryul Lee, Won Chul Song +1 more | 1999-03-23 |
| 5818306 | Voltage control oscillation circuit using CMOS | Jong-Ryul Lee, Ook Kim, Jong Kee Kwon, Won Chul Song, Kyung Soo Kim | 1998-10-06 |
| 5600186 | Capacitor voltage divider circuit | Won Chul Song, Jong-Ryul Lee, Hae-Wook Choi, Bang-Sup Song | 1997-02-04 |
| 5600269 | Low power consumption comparator circuit | Won Chul Song, Jong-Ryul Lee, Hae-Wook Choi, Bang-Sup Song | 1997-02-04 |