Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9168891 | Retractor for a seat belt, and clutch used in same | Kyung Sang Lee, Jung Hun Choi, Byoung Su Kim | 2015-10-27 |
| 9113679 | Buckle and method for preventing the buckle from being released by an impact | Kyung Sang Lee, Young Hyun Kim | 2015-08-25 |