Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11312366 | Method for reinforcing vehicle safety on ramp and vehicle thereof | — | 2022-04-26 |
| 9581065 | Welding structure of warm-up catalytic converter | — | 2017-02-28 |
| 7285577 | Method for producing rigid polyurethane foam | Sang-jo Suck, Bong Ku Kim, Jang-su An, Hyo-Seob Kim, Seong-Ho Ahn +3 more | 2007-10-23 |