HE

Hyun-Chul Eum

ON onsemi: 17 patents #83 of 1,901Top 5%
FS Fairchild Korea Semiconductor: 7 patents #26 of 311Top 9%
Overall (All Time): #172,626 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11031872 Controlling output voltage for power converter Tae-Sung Kim, Young Jong Kim 2021-06-08
11025169 Overload protection for power converter Young Jong Kim 2021-06-01
11026310 LED driver circuit and LED driving method Young Jong Kim 2021-06-01
10880966 Multiple linear regulation Young Jong Kim 2020-12-29
10826399 System and method for controlling output signal of power converter Tae-Sung Kim, Young M. Yang, Sung-Won Yun, Woo-Kang Jin 2020-11-03
10637350 Power factor correction circuit and driving method thereof Taesung Kim, In-Ki PARK, Young Jong Kim 2020-04-28
10541617 Overload protection for power converter Young Jong Kim 2020-01-21
10530259 LED driving device Doo-Yong Jung, Young Jong Kim 2020-01-07
10516327 System and method for controlling switching device in power converter Seung-Uk YANG, Wonseok Lim 2019-12-24
10362643 LED driver circuit and LED driving method Young Jong Kim 2019-07-23
10326370 Controlling output voltage for power converter Tae-Sung Kim, Young Jong Kim 2019-06-18
10291130 System and method for controlling output signal of power converter Tae-Sung Kim, Young M. Yang, Sung-Won Yun, Woo-Kang Jin 2019-05-14
10241143 Sensing resistor short determiner, switch control circuit including the same and power supply including the switch control circuit In-Ki PARK, Yong-Sang SHIN 2019-03-26
10231295 Multiple linear regulation Young Jong Kim 2019-03-12
10004121 LED driving device Doo-Yong Jung, Young Jong Kim 2018-06-19
9979303 Primary side regulation power supply device In-Ki PARK, Eung-Woo Lee 2018-05-22
9935538 Power factor correction circuit and driving method thereof Taesung Kim, In-Ki PARK, Young Jong Kim 2018-04-03
9800136 Active damper and power supply including the same Young Jong Kim 2017-10-24
9748849 Power supply Young Jong Kim, In-Ki PARK 2017-08-29
9680455 Clamping circuit, power supply device including the same and driving method of power supply device In-Ki PARK, Chi-Yin Lo 2017-06-13
9647564 Power supply device Young Jong Kim, In-Ki PARK 2017-05-09
9502983 Power supply device capable of varying switching frequency according to load condition Kyung-Oun Jang, In-Ki PARK, Sung-Won Yun 2016-11-22
9467137 Input current control method, switch control circuit and power supply including the switch control circuit Young Jong Kim 2016-10-11
9362843 Switch control device, power supply device comprising the same, and driving method of power supply device utilizing turn-on period half-on time point detection Seung-Uk YANG 2016-06-07