Eum; Hyunchul
Patent Applications and Registrations
Patent applications and USPTO patent grants for Eum; Hyunchul.The latest application filed is for "current control for power converter".
- Eum; Hyunchul - Seoul KR
- Eum; Hyunchul - Gwangmyeong KR
- Eum; Hyunchul - Gwangmyeong-si KR
| Patent | Date |
|---|---|
| Current control for power converter Grant 10,999,905 - Eum , et al. May 4, 2 | 2021-05-04 |
| Current Control For Power Converter App 20200404755 - EUM; Hyunchul ; et al. | 2020-12-24 |
| System and method for shaping input current in light emitting diode (LED) system Grant 10,708,994 - Eum | 2020-07-07 |
| Line ripple reducer Grant 10,575,377 - Eum Feb | 2020-02-25 |
| System And Method For Shaping Input Current In Light Emitting Diode (led) System App 20190350056 - EUM; Hyunchul | 2019-11-14 |
| Control system for phase-cut dimming Grant 10,412,798 - Eum , et al. Sept | 2019-09-10 |
| System and method for shaping input current in light emitting diode (LED) system Grant 10,405,382 - Eum Sep | 2019-09-03 |
| Line Ripple Reducer App 20190159308 - EUM; Hyunchul | 2019-05-23 |
| Lighting circuit with internal reference thresholds for hybrid dimming Grant 10,178,729 - Yang , et al. J | 2019-01-08 |
| System And Method For Shaping Input Current In Light Emitting Diode (led) System App 20180368224 - EUM; Hyunchul | 2018-12-20 |
| Hybrid dimming for lighting circuits Grant 10,091,849 - Yang , et al. October 2, 2 | 2018-10-02 |
| Control System For Phase-cut Dimming App 20180098398 - EUM; Hyunchul ; et al. | 2018-04-05 |
| Lighting Circuit With Internal Reference Thresholds For Hybrid Dimming App 20180054864 - YANG; Seunguk ; et al. | 2018-02-22 |
| Hybrid Dimming For Lighting Circuits App 20180054865 - YANG; Seunguk ; et al. | 2018-02-22 |
| LED lighting circuit with ripple reducer Grant 9,900,938 - Kim , et al. February 20, 2 | 2018-02-20 |
| Control system for phase-cut dimming Grant 9,872,349 - Eum , et al. January 16, 2 | 2018-01-16 |
| Standby current supplier Grant 9,826,608 - Eum , et al. November 21, 2 | 2017-11-21 |
| Led Lighting Circuit With Ripple Reducer App 20170215238 - KIM; Jintae ; et al. | 2017-07-27 |
| Control System for Phase-Cut Dimming App 20160135265 - EUM; Hyunchul ; et al. | 2016-05-12 |
| Standby Current Supplier App 20160135272 - EUM; Hyunchul ; et al. | 2016-05-12 |
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