Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9515563 | Power module and distributed power supply apparatus having the same | Don Sik Kim, Jong Woo Kim, Duk You KIM, Gun Woo Moon, Dong-Jin Park | 2016-12-06 |
| 9431899 | Power supply device for supplying standby voltage by using main voltage | Jeong Nam LEE | 2016-08-30 |
| 9417644 | Apparatus for and method of controlling power supply system | Jeong Nam LEE | 2016-08-16 |
| 9374012 | Power supply | Jae Kook Kim, Sung Ho Kim, Dong Kyun Ryu | 2016-06-21 |
| 9344000 | Power module varying bias power and distributed power supply apparatus | Jeong Nam LEE, Duk You KIM, Gun Woo Moon, Don Sik Kim | 2016-05-17 |
| 9337715 | Boost converter with first and second modes based upon the input voltage | — | 2016-05-10 |
| 9287794 | Resonance-type power supply apparatus | — | 2016-03-15 |
| 9154042 | Power supply apparatus | Jae Kuk Kim, Sung Ho Kim, Dong Kyun Ryu | 2015-10-06 |
| 9112424 | Power supply device having improved power conversion efficiency in light load conditions | Jeong Nam LEE, Duk You KIM, Gun Woo Moon, Don Sik Kim | 2015-08-18 |
| 8872499 | Power supply apparatus | Duk You KIM, Gun Woo Moon, Don Sik Kim | 2014-10-28 |
| 8787041 | Power converter integrated with flyback converter | Don Sik Kim, Jae Kuk Kim, Gun Woo Moon, Shin Young Cho | 2014-07-22 |
| 8766598 | Charge equalization apparatus with parallel connection of primary windings of multiple transformers | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Hong Sun Park | 2014-07-01 |
| 8665622 | Power supply unit supplying standby power by sharing switch of main converter | Kyu Min Cho, Don Sik Kim, Jae Kuk Kim, Gun Woo Moon, Shin Young Cho | 2014-03-04 |
| 8371989 | User-participating type fitness lecture system and fitness training method using the same | Uk Oh, Shin-Hyun Min, Dane Jon | 2013-02-12 |
| 8310204 | Automatic charge equalization method and apparatus for series connected battery string | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Hong Sun Park +1 more | 2012-11-13 |
| 8299881 | Transformer improved in leakage inductance | Gun Woo Moon, Tae Won Heo, Ki Bum Park, Don Sik Kim, Jong Pil Kim +3 more | 2012-10-30 |
| 8217623 | Charge equalization apparatus and method | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Hong Sun Park | 2012-07-10 |
| 8164408 | Planar transformer | — | 2012-04-24 |
| 8120204 | Load sharing device and parallel power supply therewith | Gun Woo Moon, Sang Cheol Bong, Kang-hyun YI, Ki Bum Park, Dong Seong Oh +4 more | 2012-02-21 |
| 8120322 | Charge equalization apparatus | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Hong Sun Park +1 more | 2012-02-21 |
| 8098500 | Phase shift full bridge converter with reduced current stress | Tae Won Heo, Gun Woo Moon, Woo Jin Lee, Ki Bum Park, Don Sik Kim +4 more | 2012-01-17 |
| 8054653 | DC power supply for varying output voltage according to load current variation | Byoung Woo Ryu, Dong Seong Oh, Jeong Man Han | 2011-11-08 |
| 8008890 | Charge equalization apparatus | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Hong Sun Park +1 more | 2011-08-30 |
| 7982429 | Charge equalization apparatus | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Hong Sun Park | 2011-07-19 |
| 7939965 | Charge of equalization apparatus with parallel connection of secondary windings of multiple transformers | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Hong Sun Park | 2011-05-10 |