Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10608702 | Near field communication device | Young Joo Lee, June Soo Kim, Il-jong Song | 2020-03-31 |
| 10541728 | Near field communication devices, systems, and methods using Q factor adjustments | Il-jong Song | 2020-01-21 |
| 10148319 | Near field communication devices, systems, and methods using Q factor adjustments | Il-jong Song | 2018-12-04 |
| 9900015 | Temperature-compensated oscillator and device including the same | Jun Ho Kim | 2018-02-20 |
| 9755702 | Method of operating near field communication (NFC) device and NFC device | Il-jong Song, Byeong-Hoon Lee | 2017-09-05 |
| 9634729 | Demodulator for near field communication, near field communication device, and electronic device having the same | Jun Ho Kim, Young Joo Lee, Jin Woo Kim | 2017-04-25 |
| 9634674 | Semiconductor device | Young Joo Lee | 2017-04-25 |
| 9613238 | Near field communication device and electronic system having the same | Jun Ho Kim, Il-jong Song | 2017-04-04 |
| 9596003 | Near field communication devices, systems, and methods using Q factor adjustments | Il-jong Song | 2017-03-14 |
| 9515702 | Demodulators for near field communication, near field communication devices, and electronic devices having the same | Ji-Myung Na, Il-jong Song | 2016-12-06 |
| 9438205 | Temperature-compensated oscillator and device including the same | Jun Ho Kim | 2016-09-06 |
| 9379786 | NFC terminal and communication device including the same | Il-jong Song | 2016-06-28 |
| 9354646 | Internal voltage generator and contactless IC card including the same | Jun Ho Kim, Il-jong Song | 2016-05-31 |
| 9178362 | Voltage adjusting circuit and contactless card and contactless card system which include the same | Il-jong Song | 2015-11-03 |
| 9111187 | Contactless card clamp circuits that compensate for regulator reference voltage fluctuations | Il-jong Song, Sang Hyo Lee | 2015-08-18 |
| 8944334 | Internal voltage generating circuit and smart card | Il-jong Song, Sang Hyo Lee | 2015-02-03 |
| 8891270 | Voltage adjusting circuit and contactless card and contactless card system which include the same | Il-jong Song | 2014-11-18 |
| 8836388 | Smart card clock generator circuits wth autonomous operation capability and method of operating the same | Sang Hyo Lee, Il-jong Song | 2014-09-16 |
| 8120419 | Apparatus for type-A demodulation and integrated circuit card including the same | Hyuk-Jun Sung | 2012-02-21 |
| 8085019 | Device for generating internal power supply voltage and method thereof | Chan-Yong Kim | 2011-12-27 |
| 7967283 | Clamping device of moving cart | — | 2011-06-28 |
| 7873858 | Clock signal generation device and method | Hyuk-Jun Sung, Chan-Yong Kim | 2011-01-18 |