HC

Hangseok Choi

FS Fairchild Semiconductor: 20 patents #25 of 715Top 4%
Samsung: 17 patents #7,989 of 75,807Top 15%
ON onsemi: 13 patents #113 of 1,901Top 6%
📍 Suwon-si, NH: #1 of 3 inventorsTop 35%
Overall (All Time): #53,755 of 4,157,543Top 2%
50
Patents All Time

Issued Patents All Time

Showing 26–50 of 50 patents

Patent #TitleCo-InventorsDate
10256735 Power supply with near valley switching Zhibo Tao, Jung-Sheng Chen, Li-Lien Lin, Kai-Fang Wei, Chih-Hsien Hsieh +1 more 2019-04-09
10193455 Resonant capacitor stabilizer in resonant converters SangCheol Moon, Jintae Kim 2019-01-29
10186948 Burst mode control in resonant converters SangCheol Moon, Jintae Kim 2019-01-22
10164543 System and method for controlling power converter with adaptive turn-on delay SangCheol Moon, Jintae Kim 2018-12-25
10110137 Automatic control of synchronous rectifier turn-off threshold SangCheol Moon, Chi-Chen Chung, Cheng-Sung Chen 2018-10-23
10103618 Power factor correction circuit with calculated duty compensation and driving method thereof Jintae Kim, SangCheol Moon 2018-10-16
10090757 Power factor correction circuit and method Jintae Kim, SangCheol Moon 2018-10-02
10027235 Self-tuning adaptive dead time control for continuous conduction mode and discontinuous conduction mode operation of a flyback converter Lei Chen, Cheng-Sung Chen 2018-07-17
10008950 Adaptive turn-off trigger blanking for synchronous rectification Lei Chen, Cheng-Sung Chen 2018-06-26
9991810 Gate pre-positioning for fast turn-off of synchronous rectifier Wei-Hsuan Huang, Cheng-Sung Chen 2018-06-05
9825548 Adaptive turn-off trigger blanking for synchronous rectification Lei Chen, Cheng-Sung Chen 2017-11-21
9812976 Control of a startup circuit using a feedback pin of a PWM controller integrated circuit chip 2017-11-07
9722672 Wireless communication device and method of operating the same Jinwoo Kim, Junho Kim, Seok-Hyun Kim 2017-08-01
9584035 Dual-edge tracking synchronous rectifier control techniques for a resonant converter 2017-02-28
9571141 Wireless communication device and method of operating the same Jinwoo Kim, Junho Kim, Seok-Hyun Kim 2017-02-14
9312746 Switching techniques to reduce current overshoot in a DC to DC converter 2016-04-12
9083247 Synchronous rectifier control techniques for a resonant converter 2015-07-14
9030183 Soft-start control techniques for a switched-mode power supply 2015-05-12
8817498 Hybrid control techniques for series resonant converter 2014-08-26
8576583 Sampled charge control for resonant converter 2013-11-05
8482942 Method and apparatus for bridgeless power factor correction 2013-07-09
8279630 Continuous conduction mode power factor correction circuit with reduced sensing requirements 2012-10-02
8143845 Cable voltage drop compensation for battery chargers 2012-03-27
8098505 Phase management for interleaved power factor correction 2012-01-17
8085559 Current mode control for resonant converter circuits 2011-12-27