No Title Author Date of Patent
85 [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 
84 [US 5,701,243] High-Power Factor Series Resonant Rectifier Circuit file Myung Joong Youn, Gun Woo Moon  1997.12.23 
83 [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 
82 [US 5,701,243] High-Power Factor Series Resonant Rectifier Circuit file Myung Joong Youn, Gun Woo Moon  1997.12.23 
81 [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 
80 [US 2011-0089898] Two-Stage Charge Equalization Method and Apparatus for Series-Connected Battery String file Sang Hyun Park, Gun Woo Moon, Hong Sun Park, Chol Ho Kim  2011.04.21 
79 [US 2011-0089898] Two-Stage Charge Equalization Method and Apparatus for Series-Connected Battery String file Sang Hyun Park, Gun Woo Moon, Hong Sun Park, Chol Ho Kim  2011.04.21 
78 [한국][등록][10-1709484] 전원 공급 장치 file 김덕유, 문건우, 김종우, 김정은, 김영세, 김돈식  2017.02.17 
77 [한국][등록][10-1864466] 전원 공급 장치 김재국, 김재현, 이재범, 문건우, 류동균  2018.05.29 
76 [2004-0085279] High Efficiency Power Converter Circuit without Output Inductor 김정은  2004.10.08.