Koo; Nam Su
Patent Applications and Registrations
Patent applications and USPTO patent grants for Koo; Nam Su.The latest application filed is for "light emitting diode (led) driving apparatus, lighting apparatus, and current control circuit".
- Koo; Nam Su - Yongin-si KR
- Koo; Nam Su - Gyunggi-do N/A KR
- KOO; Nam Su - Yongin KR
| Patent | Date |
|---|---|
| Light emitting diode (LED) driving apparatus, lighting apparatus, and current control circuit Grant 10,285,240 - Koo | 2019-05-07 |
| Light Emitting Diode (led) Driving Apparatus, Lighting Apparatus, And Current Control Circuit App 20170048935 - KOO; Nam Su | 2017-02-16 |
| LED driving device, lighting device and control circuit for LED driving device Grant 9,265,107 - Koo February 16, 2 | 2016-02-16 |
| Led Driving Device And Lighting Apparatus App 20160044757 - KOO; Nam Su | 2016-02-11 |
| LED driving device and lighting device Grant 9,247,612 - Koo January 26, 2 | 2016-01-26 |
| Led Driving Device, Lighting Device And Control Circuit For Led Driving Device App 20150108915 - KOO; Nam Su | 2015-04-23 |
| Led Driving Device And Lighting Device App 20150054422 - KOO; Nam Su | 2015-02-26 |
| AC detection circuit for power supply Grant 8,441,270 - Lee , et al. May 14, 2 | 2013-05-14 |
| Ac Detection Circuit For Power Supply App 20110013435 - LEE; Sung Uk ; et al. | 2011-01-20 |
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