Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11239683 | Transmitter for wireless charging power transmission, and method and system for connection between internet of things system and wireless charging receiver | — | 2022-02-01 |
| 4226228 | Multiple joint retractor with light | Jung Hoon Shin | 1980-10-07 |