| 11928539 |
Mode-changeable power supply circuit and smart card including the same |
Kyeongdo Kim, Sanghyo Lee, Seungwon Lee |
2024-03-12 |
| 11586873 |
Mode-changeable power supply circuit and smart card including the same |
Kyeongdo Kim, Sanghyo Lee, Seungwon Lee |
2023-02-21 |
| 11055598 |
Mode-changeable power supply circuit and smart card including the same |
Kyeongdo Kim, Sanghyo Lee, Seungwon Lee |
2021-07-06 |
| 10334421 |
Near field communication device |
Youngjoo Lee |
2019-06-25 |
| 10194409 |
Near field communication device and an operating method of the near field communication device |
Byeongtaek Moon, Junho Kim, Iljong Song |
2019-01-29 |
| 10044413 |
Radio-frequency communication device having a near field communication function, and method of operating the same |
Junesoo Kim, Youngjoo Lee |
2018-08-07 |
