Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8305332 | Backlight unit, liquid crystal display device including the same, and localized dimming method thereof | Mun-Soo Park, Won Sik Oh, Dae Youn Cho, Kyu Min Cho, Nam-Deog Kim +1 more | 2012-11-06 |
| 8299881 | Transformer improved in leakage inductance | Tae Won Heo, Chong Eun Kim, Ki Bum Park, Don Sik Kim, Jong Pil Kim +3 more | 2012-10-30 |
| 8253378 | Battery management system with integration of voltage sensor and charge equalizer | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Hong Sun Park, Chol Ho Kim | 2012-08-28 |
| 8217623 | Charge equalization apparatus and method | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Chong Eun Kim, Hong Sun Park | 2012-07-10 |
| 8194419 | Switching mode power supply for reducing standby power | Byoung Woo Ryu, Seong Wook Choi, Byoung Hee Lee, Dong Seong Oh | 2012-06-05 |
| 8120322 | Charge equalization apparatus | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Chong Eun Kim, Hong Sun Park +1 more | 2012-02-21 |
| 8120204 | Load sharing device and parallel power supply therewith | Sang Cheol Bong, Kang-hyun YI, Ki Bum Park, Dong Seong Oh, Chong Eun Kim +4 more | 2012-02-21 |
| 8098500 | Phase shift full bridge converter with reduced current stress | Tae Won Heo, Woo Jin Lee, Ki Bum Park, Don Sik Kim, Chong Eun Kim +4 more | 2012-01-17 |
| 8094473 | Bridgeless power factor correction circuit | Dong-Wook Lee, Kyu Min Cho, Seong Wook Choi, Don Sik Kim, Jong Pil Kim +3 more | 2012-01-10 |
| 8027174 | Adapter power supply | Byoung Woo Ryu, Seong Wook Choi, Jong Sun Kim, Dong Seong Oh | 2011-09-27 |
| 8008890 | Charge equalization apparatus | Joong Hui Lee, Soo Yeup Jang, Jeon Keun Oh, Chong Eun Kim, Hong Sun Park +1 more | 2011-08-30 |
| 7982429 | Charge equalization apparatus | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Chong Eun Kim, 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, Chong Eun Kim, Hong Sun Park | 2011-05-10 |
| 7927497 | Integrated thin-film solar cells and method of manufacturing thereof and processing method of transparent electrode for integrated thin-film solar cells and structure thereof, and transparent substrate having processed transparent electrode | Koeng Su Lim, Seong Won Kwon, Jeong Hwan Kwak, Sang-Il Park, Jun-Bo Yoon | 2011-04-19 |
| 7880433 | Charge equalization apparatus | Jeon Keun Oh, Joong Hui Lee, Soo Yeup Jang, Chong Eun Kim, Hong Sun Park | 2011-02-01 |
| 7742319 | Transformer having resonant inductance | Don Sik Kim, Kyu Min Cho, Young Do Kim, In Ho Cho, Hak Ryong Kim +4 more | 2010-06-22 |
| 7652898 | Soft start circuit and power supply including soft start circuit | Do-wan Kim, Chul-Su Hong, Hee-Hwan Kim, Chong Eun Kim | 2010-01-26 |
| 7633238 | Lamp driving device and display apparatus having the same | Moon-Shik Kang, Myung-Joong Youn, Jheen-Hyeok Park, Hyun-Ki Yoon, Eun-seok Choi | 2009-12-15 |
| 7498752 | Driving method of external electrode fluorescent lamp inverter for backlight | Suok Gyu Min, Won Sik Oh, Byoung Own Min, Jong Sun Kim | 2009-03-03 |
| 5862043 | Switch coupled active forward converter for obtaining a high power factor at a single power stage | Myung-Joong Youn, Jun-Young Lee, Che Hong Ahn | 1999-01-19 |
| 5712780 | Unity power factor converter for high quality power supply with magnetically coupled compensation | Myoung Joong Youn, Young-Seok Jung, Chung Wook Roh, Che Hong Ahn | 1998-01-27 |
| 5701243 | High-power factor series resonant rectifier circuit | Myung-Joong Youn, Marn Go Kim | 1997-12-23 |