Author Myung Joong Youn, Gun Woo Moon 
Date of Patent 1998.01.27 

[US 5,712,780] Unity Power Factor Converter for High Quality Power Supply with Magnetically Coupled Compensation

No Title Author Date of Patent
100 [WO/2007/145459] Charge Equalization Apparatus with Parallel Connection of Primary Windings of Multiple Transformers file Gun-Woo Moon, Chong-Eun Kim, Hong-Sun Park  2007.12.21 
99 [US 2010-0007308] Charge Equalization Apparatus file Gun Woo Moon, Chong Eun Kim, Hong Sun Park, Chol Ho Kim  2010.01.14 
98 [US 7,939,965] Charge Equalization Apparatus with Parallel Connection of Secondary Windings of Multiple Transformers file Gun Woo Moon, Chong-Eun Kim, Hong-Sun Park  2011.05.10. 
97 [US 5,862,043] Switch Coupled Active Forward Converter for Obtaining a High Power Factor at Single Power Stage file Myung Joong Youn, Gun Woo Moon  1999.01.19 
» [US 5,712,780] Unity Power Factor Converter for High Quality Power Supply with Magnetically Coupled Compensation file Myung Joong Youn, Gun Woo Moon  1998.01.27 
95 [US 5,701,243] High-Power Factor Series Resonant Rectifier Circuit file Myung Joong Youn, Gun Woo Moon  1997.12.23 
94 [미국][등록][US 8872499 B2] Power sypplu apparatus file Gun Woo Moon, Duk You Kim, Chong Eun Kim, Don Sik Kim  2014.10.28 
93 [한국][등록][10-1444594] 위상 천이 풀브리지 컨버터 file 문건우, 김정은, 김덕유, 김종우, 이정남  2014.09.18 
92 [미국][등록][US 8787041 B2] Power converter integrated with flyback converter file Gun Woo Moon, Chong Eun Kim, Don Sik Kim, Jae Kuk Kim, Shin Young Cho  2014.07.22 
91 [한국][등록][10-1422960] 전원 모듈 및 이를 갖는 분산 전원 공급장치 file 문건우, 김정은, 김덕유, 이정남, 김돈식  2014.07.17