Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12104428 | Emergency brake device for occurrence of acceleration of elevator door | — | 2024-10-01 |
| 6003131 | Computer system with a variety of applications and method for operating the same | Sang Jin Lee | 1999-12-14 |
| 5872515 | Laptop computer with an anti-theft alarm function and a method of controlling the same | Ho-jin Ha | 1999-02-16 |
| 5832237 | Portable computer system and method for controlling a power of system | — | 1998-11-03 |