Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12338844 | Piston position detection device | Sang Do Shin | 2025-06-24 |
| 7642376 | Methods and devices for preparing biuret and cyanuric acid | Chun Hyuk Lee, Min Seung Shin | 2010-01-05 |