Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11028046 | Toluene diisocyanate purification method | Kee Do Han, Seong Ho Park, Chang-Mo Chung | 2021-06-08 |
| 9469544 | Method for manufacturing polysilicon | Jea Sung Park, Dong-Ho Lee, Eun Jeong Kim, Gui Ryong Ahn, Sung-Eun Park | 2016-10-18 |
| 9093580 | Method for manufacturing solar cell | Deoc Hwan Hyun, Jae Eock Cho, Dong-Ho Lee, Gui Ryong Ahn, Yong Hwa Lee +1 more | 2015-07-28 |