Issued Patents All Time
Showing 26–48 of 48 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9397644 | Frequency doubler | Tae Ik Kim, Ji-Hyun Kim | 2016-07-19 |
| 9270105 | Clamping circuit, a semiconductor apparatus including the same, and a clamping method of the semiconductor apparatus | Jae-Hyok Ko, Han KIM, Sang Young Cho | 2016-02-23 |
| 9236866 | Circuit for driving gate of power MOS transistor | Hyo-Sang Youn | 2016-01-12 |
| 9093615 | LED module, method for manufacturing the same, and LED channel letter including the same | Jae Young Choi, Kyu Won HAN, Eun-Jung Kim | 2015-07-28 |
| 8869757 | Apparatus of cooling system for vehicle and controlling method using the same | Jonghwa Lee, Jinil Park, KyoungSeok Park, Hyoseong Wi | 2014-10-28 |
| 8788227 | Measuring method of critical current density of superconductor wires using measurement of magnetization loss | Kyeong Dal Choi, Ji Kwang Lee, Chan Hee Park, Byung Wook Han, Se-Yeon Lee | 2014-07-22 |
| 8456212 | Duty correcting circuit, delay-locked loop circuit including the circuit, and method of correcting duty | Do Hyung Kim, Tae-Kwang Jang, Se-Hyung Jeon | 2013-06-04 |
| 8361274 | Etching apparatus and etching method | Kwang-Myung Lee, Ki-Young Yun, Il-Kyoung Kim, Sung-wook Park, Seung-Ki Chae +8 more | 2013-01-29 |
| 8336104 | Generation and use of digital contents | — | 2012-12-18 |
| 8322019 | Multiple transposition method for superconducting wire | Kyeong Dal Choi, Ji Kwang Lee, Chan Hee Park, Yung Il Kim | 2012-12-04 |
| 8304264 | Apparatus and method for monitoring chamber status in semiconductor fabrication process | Sang Wuk Park, Yong Jin Kim | 2012-11-06 |
| 8149030 | Clock generator to reduce long term jitter | Chul Woo Kim, Min-Young Song, Jae-Jin Park, Ji-Hyun Kim, Young-Ho Kwak | 2012-04-03 |
| 8089332 | Superconducting power transforming apparatus | Kyeong Dal Choi, Ji Kwang Lee, Chan Hee Park, Sun-Bok Choi | 2012-01-03 |
| 8057894 | Adhesive tape for electronic components | Sang Pil Kim, Ki-Jeong Moon | 2011-11-15 |
| 7920977 | Noncontact measurement method of currents on superconductive wires connected in parallel | Kyeong Dal Choi, Ji Kwang Lee, Seung Wook Lee, Chan Hee Park | 2011-04-05 |
| 7876136 | Phase-locked-loop circuit having a pre-calibration function and method of pre-calibrating the same | Soh-Myung Ha | 2011-01-25 |
| 7746128 | Clock multiplier and clock generator having the same | — | 2010-06-29 |
| 7636002 | Clock multiplier and method of multiplying a clock | — | 2009-12-22 |
| 7495488 | Phase-locked loop circuit, delay-locked loop circuit and method of tuning output frequencies of the same | — | 2009-02-24 |
| 7383625 | Method of manufacturing continuous disk winding for high-voltage superconducting transformers | Kyeong Dal Choi, Seung Wook Lee, Young-In Hwang | 2008-06-10 |
| 7233214 | Voltage-controlled oscillators with controlled operating range and related bias circuits and methods | Ju-Hyung Kim | 2007-06-19 |
| 7227438 | Superconducting wire transposition method and superconducting transformer using the same | Hee Suck Song, Woo Heng HEO, Jung-Ho Park, Kyeong Dal Choi, Sung Hoon Kim | 2007-06-05 |
| 7116145 | Phase-locked loop circuit having phase lock detection function and method for detecting phase lock thereof | Phil-Jae Jeon | 2006-10-03 |