Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12251562 | Apparatus and method for controlling output of skin care device | Won-San Na, Jun Ho Park | 2025-03-18 |
| 12186580 | Patch-type skincare device | Jun Ho Park, Jung Bin Im | 2025-01-07 |
| 12128247 | Skin care device | Jun Ho Park, Sang Dong Jeong | 2024-10-29 |
| 12048068 | Heating element having fuse function and heater unit comprising same | Jeong Hwan Kim, Won-San Na, Jae Yeong Lee, Hyun Chul Lim | 2024-07-23 |
| 11915859 | Core for current transformer | Cheol-Seung Han, Won-San Na, Young Joon Kim, Jae Jun Ko | 2024-02-27 |
| 11890245 | Skin care device | Sung Taek Oh, Sang Dong Jeong, Hyung Kyu Kim, Jung Yong Lee, Kyung Won KIM | 2024-02-06 |
| 11733082 | Electronic meter | Won-San Na, Bo Hyeon Han | 2023-08-22 |
| 11680693 | Rear lamp module for vehicle and rear combination lamp having same | Won-San Na | 2023-06-20 |
| 11492775 | Manhole cover and manhole management system using the same | Won-San Na | 2022-11-08 |
| 11446494 | Skin care device and control method therefor | Jong Min Lee, Jun Ho Park, Won-San Na | 2022-09-20 |
| 11322300 | Method for manufacturing a core for a current transformer | Won-San Na, Young Joon Kim, Jae Jun Ko, Su-Hyeoung Tak | 2022-05-03 |
| 11201501 | Electromagnetic inductive power supply apparatus | Sang Dong Jeong, Won-San Na | 2021-12-14 |
| 11184698 | Headset capable of wireless charging, and headset charging system using wireless power transmission comprising same | Jun Ho Park, Cheol-Seung Han | 2021-11-23 |
| 10978900 | Auxiliary battery capable of transmitting and receiving wireless power | Jun Ho Park, Bae Geun Lee | 2021-04-13 |
| 10958102 | Electromagnetic-inductive power supply apparatus | Won-San Na, Jung-Hyun Choi | 2021-03-23 |
| 10923274 | Current transformer module and power supply device including the same | Won-San Na, Cheol-Seung Han | 2021-02-16 |
| 10923951 | Magnetic induction power supply device | Won-San Na, Jung-Hyun Choi | 2021-02-16 |
| 10845424 | Apparatus and method for diagnosing failure of electromagnetic-inductive power supply apparatus | Won-San Na, Jung-Hyun Choi | 2020-11-24 |
| 10499135 | Wireless headphone having built-in flexible battery | Gi Wook Lee, Won-San Na, Jun Ho Park | 2019-12-03 |
| 10075153 | Low-power clock-gated synchronizer, a data processing system that incorporates the same and a synchronization method | Taek Kyun Shin, Soong Hyun Shin, Jung-Hun Heo | 2018-09-11 |
| 9942955 | LED lamp using switching circuit | Won-San Na, Bo Hyeon Han, Cheol-Seung Han | 2018-04-10 |
| 8229235 | Hybrid image data processing system and method | Jung Rae Kim, Jae Hong Park, Young-Jun Kwon | 2012-07-24 |