Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10252943 | Cement mortar additive for extrusion molding, cement mortar for extrusion molding, and extrusion-molded product | Bon Hyeok Gu, Tae Hong Kim, Won Hee Lee, Min Seok Kang, Myung-Jae Lee +1 more | 2019-04-09 |
| 9598502 | Method of manufacturing ultra-low viscosity hydroxyalkyl cellulose through partial neutralization method | Ji Hun PARK, Yong Sung Jang | 2017-03-21 |
| 8246178 | Focus control device for beam projector | Moon-Chul Shin, Kang-Hoon Choi, Hyon-Myong Song, Jin-Hee Cho, Kyung-Han Kim +1 more | 2012-08-21 |