Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9923554 | Wireless power transmitter | Byung Joo Hong, Je Hyuk Ryu, Hyung Gu Park, Hong Jin Kim, Joo Young Lee +4 more | 2018-03-20 |
| 9843251 | Rectifier and method of controlling the same | Byung Joo Hong, Jong Woo Lee, Hyung Gu Park, Young-Jun Park, Seong Jin Oh +4 more | 2017-12-12 |
| 9780771 | Gate driving circuit including constant current sources, and switching apparatus and power supply apparatus having the same | Sang Hyun Cha, Deuk Hee Park, Yun Joong Lee, Je Hyeon YU, Hyeon Seon Yu +1 more | 2017-10-03 |
| 9755502 | Start-up circuit and power device using the same | Sang Hyun Cha, Soo Hyun Moon, Hye Jin Lee, Ji Hwan Kim, Chang Seok Lee +1 more | 2017-09-05 |
| 9270165 | Phase shift circuit and power factor correction circuit including the same | Yu Jin Jang, Hwan Cho, Yong Seong Roh, Young Jin Moon, Jeong Pyo PARK +2 more | 2016-02-23 |
| 9252655 | Phase shift circuit and power factor correction circuit including the same | Jeong Mo YANG, Hwan Cho, Yong Seong Roh, Young Jin Moon, Jeong Pyo PARK +2 more | 2016-02-02 |
| 9225235 | Power factor correction circuit | Yu Jin Jang, Hwan Cho, Yong Seong Roh, Young Jin Moon, Jeong Pyo PARK +2 more | 2015-12-29 |
| 9066399 | Illumination driving apparatus for light emitting diode and method thereof | Deuk Hee Park, Sang Hyun Cha, Jae Shin Lee, Chang Seok Lee, Yun Joong Lee | 2015-06-23 |
| 9066395 | Power supply device and control circuit thereof | Dae Hoon Han, Seo Hyung Kim, Seung Ryung Ryu, Joo-Hyung Lee, Hong Jin Kim +2 more | 2015-06-23 |
| 8963580 | Logic device and method of operating the same | Hyun-sik Choi, Ho-jung Kim, Ki-Chul Kim, Jai-kwang Shin, Hyung-su Jeong | 2015-02-24 |
| 8907719 | IC circuit | Joon Youp Sung, Jae Shin Lee, Yong Seong Roh, Ho Joon Jang, Chang-sik Yoo +2 more | 2014-12-09 |
| 8861268 | Multi-valued logic device having nonvolatile memory device | Ho-jung Kim, Jai-kwang Shin, Hyun-sik Choi | 2014-10-14 |
| 8791677 | Power factor correction circuit for correcting power factor | Jeong Mo YANG, Chang-sik Yoo, Yung Jin Moon, Yong Seong Roh, Jae Shin Lee +2 more | 2014-07-29 |
| 8779682 | Illumination driving apparatus | Yeun Joong Lee, Deuk Hee Park, Sang Hyun Cha, Chang Seok Lee | 2014-07-15 |
| 8289091 | Relaxation oscillator | Jeong Mo YANG, Changsik Yoo, Young Jin Moon, Yong Seong Roh, Jae Shin Lee +2 more | 2012-10-16 |
| 6371451 | Scent diffusion apparatus and method | — | 2002-04-16 |
| 6198326 | Delay time compensation circuit for clock buffer | Boo Yong Park, Jin-Hong Ahn | 2001-03-06 |