Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11014201 | Laser welding apparatus | Duck Whan Kim, Kwi Seong Jeong, Jung Han Yu, Young Bum Kum, Tae Min Lee +2 more | 2021-05-25 |
| 10548201 | Switch controller, power supply device comprising the same, and driving method of the power supply device | Gye-Hyun Cho, Jae Yong Lee, Yoon-Woong Chung, Ji Hoon Jang | 2020-01-28 |
| 10412798 | Control system for phase-cut dimming | Hyunchul Eum, Youngjong Kim, Kuo-Hsien Huang, Chih-Chun Chuang, Young M. Yang +2 more | 2019-09-10 |
| 10321540 | Switch controller, power supply device comprising the same, and driving method of the power supply device | Gye-Hyun Cho, Jae Yong Lee, Yoon-Woong Chung, Ji Hoon Jang | 2019-06-11 |
| 9872349 | Control system for phase-cut dimming | Hyunchul Eum, Youngjong Kim, Kuo-Hsien Huang, Chih-Chun Chuang, Young M. Yang +2 more | 2018-01-16 |
| 9374002 | Switch control circuit, coupled inductor boost converter including the same, and driving method of the coupled inductor boost converter | Jae Yong Lee, Young-Sik Lee, Young Bae Park, Eunsung Jang | 2016-06-21 |
| 9000744 | Switch control device with zero-cross point estimation by edge detection, power supply device comprising the same, and switch control method with zero-cross point estimation by edge detection | Jae Yong Lee, Ji Hoon Jang | 2015-04-07 |
| 8933674 | Switch controller, switch control method, and power supply device comprising the switch controller | Gye-Hyun Cho, Jae Yong Lee, Ji Hoon Jang | 2015-01-13 |
| 8873206 | Switch control circuit, switch controlling method, and power supply device using the switch control circuit | Gye-Hyun Cho, Seung Woo Hong, Jae Yong Lee | 2014-10-28 |
| 8841960 | Clock signal generating circuit and power supply including the same | Kunhee Cho, Donghwan Kim | 2014-09-23 |
| 8823339 | Switch control circuit, converter using the same, and switch controlling method | Jae Yong Lee, Byung-Kwon Choi, Ilyong Jung | 2014-09-02 |
| 8803434 | Apparatus for controlling bleed switch, power supply, and method for driving power supply | Seung Woo Hong, Gye-Hyun Cho, Jae Yong Lee | 2014-08-12 |
| 8634211 | Switch control device, power supply device comprising the same and switch control method | Gye-Hyun Cho | 2014-01-21 |
| 8610480 | Clock signal generating circuit and power supply including the same | Kunhee Cho, Donghwan Kim | 2013-12-17 |
| 8023901 | Method and apparatus for deciding channel quality indicator in wireless communication system | — | 2011-09-20 |
| 7796548 | Time synchronization method in mobile station based on asynchronous scheme and system using the same | — | 2010-09-14 |