Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12334537 | Positive active material for rechargeable lithium ion battery, preparing method of the same, and rechargeable lithium ion battery comprising the same | Hye Won Park, Eun Hui PARK | 2025-06-17 |
| 6924973 | Light emitting diode assembly for an illuminated sign | — | 2005-08-02 |
| 4557056 | Electronic angle indicator | Bonjue Kim | 1985-12-10 |