Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8289073 | Semiconductor device having voltage regulator | Chang Ju LEE, San-ho Byun | 2012-10-16 |
| 8232835 | Charge pump circuit and voltage converter using the same | Hee-Seok Han, Yoon-Kyung Choi | 2012-07-31 |
| 8154272 | Reference voltage generating apparatus and method thereof for removing temperature invariant current components from a reference current | Hyo-Sun Kim | 2012-04-10 |
| 8115559 | Oscillator for providing a constant oscillation signal, and a signal processing device including the oscillator | Nam Jin Song | 2012-02-14 |
| 8115756 | Display driver integrated circuit using ping-pong type sample and hold circuit | Zhong-yuan Wu | 2012-02-14 |
| 7948418 | Digital-to-analog conversion circuit and column driver including the same | Gyu-Hyeong Cho, Yoon-Kyung Choi, Yong Joon Jeon, Hyung-Min Lee, Sung Woo Lee | 2011-05-24 |
| 7880501 | Integrated circuit devices having level shifting circuits therein | Hee-Seok Han | 2011-02-01 |
| 7864134 | Display device of a mobile phone having a sub memory | Wan Jung Kim | 2011-01-04 |
| 7786801 | Operational amplifier having high slew rate and stability, and operating method thereof | — | 2010-08-31 |
| 7728854 | Gamma correction device, display apparatus including the same, and method of gamma correction therein | Jong-Seon Kim | 2010-06-01 |
| 7718681 | 5-(1,3-Diaryl-1H-pyrazol-4-ylmethylene)-thiazolidine,2,4-dione derivatives useful as anticancer agent | Jaesung No, Min Jung Seo, Bo Song, Bum Suk Son, Jung Ki Kim +3 more | 2010-05-18 |
| 7683898 | Highly efficient LCD driving voltage generating circuit and method thereof | Jae-Ho Park | 2010-03-23 |
| 7586373 | Fully differential class AB amplifier and amplifying method using single-ended, two-stage amplifier | — | 2009-09-08 |
| 7554405 | Adaptive biasing input stage and amplifiers including the same | — | 2009-06-30 |
| 7391395 | Super twisted nematic (STN) liquid crystal display (LCD) driver and driving method thereof | — | 2008-06-24 |
| 7138853 | Power boosting system and method | Jae-Ho Park | 2006-11-21 |
| 7133038 | Highly efficient LCD driving voltage generating circuit and method thereof | Jae-Ho Park | 2006-11-07 |
| 7099166 | Voltage boosting circuit and method | — | 2006-08-29 |
| 6906577 | Voltage boosting circuit and method | — | 2005-06-14 |
| 6838416 | Herbicidal 5-benzyloxymethyl-1,2-isoxazoline derivatives | Eung-Kul Ryu, Dong Ju Jeon, Jong-Whan Song, Kyoung Mahn Kim, Jung-No Lee +2 more | 2005-01-04 |
| 6239076 | Herbicidal 2-(5-isoxazolinyl methyloxyphenyl)-4,5,6,7-tetrahydro -2H-indazole derivatives | Eung-Kul Ryu, Dong Ju Jeon, Jong Hwan Song, Jung-No Lee, Kyoung Mahn Kim +1 more | 2001-05-29 |
| 5631208 | Herbicidal cyclohexane-1,3-dione derivatives and their preparation process | Eung-Kul Ryu, Kyoung Mahn Kim, Jong Hwan Song, Jae N. Kim, Jin-Seog Kim | 1997-05-20 |