Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9496796 | Multi-output power supply apparatus and output circuit thereof | Sang Gab Park, Dong Kyun Ryu, Hyun Seo PARK, Sang In Jang | 2016-11-15 |
| 9479068 | Power supply device | Don Sik Kim, Dong Jin Lee, Jae Cheol Ju, Jae Hak Lee | 2016-10-25 |
| 9462644 | Power supply device | Jae Kuk Kim | 2016-10-04 |
| 9450495 | Single stage forward-flyback converter and power supply apparatus for light emitting diode | Sang Kyoo Han, Byoung Woo Ryu, Heung Gyoon Choi, Keun Wook LEE | 2016-09-20 |
| 9048669 | Charge equalization apparatus and method for series-connected battery string | Jae Hwan Lim, Sang Hyun Park, Joong Hui Lee, Gun Woo Moon, Chol Ho Kim | 2015-06-02 |
| 8779722 | Two-stage charge equalization method and apparatus for series-connected battery string | Joong Hui Lee, Jae Hwan Lim, Sang Hyun Park, Gun Woo Moon, Chol Ho Kim | 2014-07-15 |
| 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, Chong Eun Kim | 2014-07-01 |
| 8723480 | Charge equalization apparatus for series-connected battery string using regulated voltage source | Jae Hwan Lim, Sang Hyun Park, Joong Hui Lee, Gun Woo Moon, Chol Ho Kim | 2014-05-13 |
| 8354825 | Two-stage charge equalization method and apparatus for series-connected battery string | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Chol Ho Kim | 2013-01-15 |
| 8310204 | Automatic charge equalization method and apparatus for series connected battery string | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Chong Eun Kim +1 more | 2012-11-13 |
| 8253378 | Battery management system with integration of voltage sensor and charge equalizer | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Chol Ho Kim | 2012-08-28 |
| 8217623 | Charge equalization apparatus and method | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Chong Eun Kim | 2012-07-10 |
| 8120322 | Charge equalization apparatus | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Chong Eun Kim +1 more | 2012-02-21 |
| 8008890 | Charge equalization apparatus | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Gun Woo Moon, Chong Eun Kim +1 more | 2011-08-30 |
| 7982429 | Charge equalization apparatus | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Chong Eun Kim | 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, Chong Eun Kim | 2011-05-10 |
| 7880433 | Charge equalization apparatus | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Gun Woo Moon, Chong Eun Kim | 2011-02-01 |
| 7710918 | Pilot designing method in an uplink OFDMA system | Young-Ho Jung, Jae-Hak Chung, Chan-Soo Hwang, Seung-Hoon Nam, Yong-hoon Lee | 2010-05-04 |