Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9433997 | Inorganic binder composition for casting | Man Sig Lee, Myung Hwan Kim, Sang Ho Ha | 2016-09-06 |
| 9433999 | Manufacturing method of core and casting product using inorganic binder | Jeong-Wook Park, Woo-Chun Kim, Ki Myoung Kwon, Man Sig Lee, Myung Hwan Kim | 2016-09-06 |
| 8906132 | Surface-modified biomass, preparation method thereof, and method for recovering valuable metals using the same | Yeoung-Sang Yun, Sung-Wook Won, Sun Beom Choi, Sok Kim, Juan Mao +7 more | 2014-12-09 |