HE

Hyunchul Eum

ON onsemi: 8 patents #197 of 1,901Top 15%
FS Fairchild Korea Semiconductor: 3 patents #82 of 311Top 30%
Overall (All Time): #434,640 of 4,157,543Top 15%
11
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12267004 Methods and systems of power-factor-correction converters Giyoung Chun 2025-04-01
10999905 Current control for power converter Gyumin Park, Minha HWANG 2021-05-04
10708994 System and method for shaping input current in light emitting diode (LED) system 2020-07-07
10575377 Line ripple reducer 2020-02-25
10412798 Control system for phase-cut dimming Youngjong Kim, Kuo-Hsien Huang, Chih-Chun Chuang, Young M. Yang, Young-Je Lee +2 more 2019-09-10
10405382 System and method for shaping input current in light emitting diode (LED) system 2019-09-03
10178729 Lighting circuit with internal reference thresholds for hybrid dimming Seunguk YANG, Moonsik SONG 2019-01-08
10091849 Hybrid dimming for lighting circuits Seunguk YANG, Eungwoo Lee 2018-10-02
9900938 LED lighting circuit with ripple reducer Jintae Kim, Inki Park, Eungwoo Lee 2018-02-20
9872349 Control system for phase-cut dimming Youngjong Kim, Kuo-Hsien Huang, Chih-Chun Chuang, Young M. Yang, Young-Je Lee +2 more 2018-01-16
9826608 Standby current supplier Youngjong Kim, Kuo-Hsien Huang, Chih-Chun Chuang, Moon Ho CHOI, Moon Sik Song 2017-11-21