Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9588238 | X-ray detectors | Young Ik Kim, Jun Su Lee, Sun-il Kim, Jae-chul Park, Sang Wook Han | 2017-03-07 |
| 9577645 | Driver circuit for outputting photon counting including a multiplexer, inverter and power supply | Young Seung Kim, Chae-hun Lee, Chang-jung Kim, Jae-chul Park | 2017-02-21 |
| 9411055 | Photon-counting detector and readout circuit | Chang-jung Kim | 2016-08-09 |
| 9086324 | Digital photomultiplier detector cell | Young Ik Kim, Jae-chul Park, Chae-hun Lee, Jin-wook Burm, Kyung-Hoon Kim +1 more | 2015-07-21 |
| 8985853 | Methods of calibrating X-ray detectors | Chae-hun Lee, Jae-chul Park, Young Pill Kim, Ho Kyung Kim | 2015-03-24 |
| 8836397 | Duty cycle ratio correction circuit | Taek-Sang Song | 2014-09-16 |
| 8570109 | Ring oscillator for generating oscillating clock signal | Taek-Sang Song, Dae-Han Kwon | 2013-10-29 |
| 8283962 | Semiconductor device and operation method thereof for generating phase clock signals | Dae-Han Kwon, Kyung-Hoon Kim, Taek-Sang Song | 2012-10-09 |
| 8253465 | Semiconductor memory device and method for operating the same | Dae-Han Kwon, Taek-Sang Song | 2012-08-28 |
| 8004336 | Semiconductor memory device and method for operating the same | Dae-Han Kwon, Taek-Sang Song | 2011-08-23 |
| 7876148 | Low pass filter and lock detector circuit | Taek-Sang Song, Kyung-Hoon Kim, Dae-Han Kwon | 2011-01-25 |
| 7863955 | Semiconductor device and operation method thereof | Dae-Han Kwon, Kyung-Hoon Kim, Taek-Sang Song | 2011-01-04 |
| 7855933 | Clock synchronization circuit and operation method thereof | Taek-Sang Song, Kyung-Hoon Kim, Dae-Han Kwon | 2010-12-21 |
| 7839196 | Multi-phase clock generation circuit having a low skew imprecision | — | 2010-11-23 |
| 7825712 | Multi-phase clock signal generating circuit having improved phase difference and a controlling method thereof | — | 2010-11-02 |
| 7812650 | Bias voltage generation circuit and clock synchronizing circuit | Taek-Sang Song, Kyung-Hoon Kim, Dae-Han Kwon | 2010-10-12 |
| 7791391 | Quadrature phase correction circuit | Dae-Han Kwon, Taek-Sang Song | 2010-09-07 |
| 7738621 | Counter with overflow prevention capability | Kyung-Hoon Kim, Dae-Han Kwon, Taek-Sang Song | 2010-06-15 |
| 7701267 | Semiconductor device including phase detector | Dae-Han Kwon, Chang Kyu Choi, Jun-Woo Lee | 2010-04-20 |
| 7612593 | Duty detection circuit | Kyung-Hoon Kim, Jun-Woo Lee, Taek-Sang Song | 2009-11-03 |