Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10871429 | Injection apparatus and injection method for liquid sample for standard gas production | Jihwan Kang, Sangil Lee | 2020-12-22 |
| 10473562 | Corrugated-tube constant-pressure cylinder apparatus having no microleakage and method for using same | Jin Choon Woo, Hyeon Gil Bae, Nam Goo Gang | 2019-11-12 |