Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11478963 | Symbol button for vehicle and manufacturing method thereof | Sung Ho Yoon, Jae Sik Seo, Choon Soo Lee | 2022-10-25 |
| 11300893 | Toner for developing electrostatic latent image | Se-young Yoon, Yo-da Shin | 2022-04-12 |