Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11634364 | Boron carbide composite and production method therefor | Mi Rae YOUM, Sung Il Yun, Jun Hyung Park | 2023-04-25 |
| 10730753 | Eco-friendly method for manufacturing of porous silicon carbide structure | Mi Rae YOUM, Sung Il Yun | 2020-08-04 |
| 10688478 | Method for preparing metal catalyst-supported porous silicon carbide structure | Mi Rae YOUM, Sung Il Yun | 2020-06-23 |
| 10106423 | Method for preparing ultrahigh-purity silicon carbide powder | Mi Rae YOUM, Sung Il Youn, Gyoung Sun Cho | 2018-10-23 |
| 9994454 | Porous silicon dioxide-carbon composite and method for preparing high-purity granular beta-phase silicon carbide powder with using the same | Mi Rae YOUM, Sung Il Youn, Gyoung Sun Cho | 2018-06-12 |
| 9911517 | Carbon felt impregnated with inorganic particles and method for producing the same | Chang Sam Kim, Byung Won Cho, Kyoung Ran Lim | 2018-03-06 |
| 9487405 | Method for manufacturing SiC powders with high purity | Kyoung Sop Han, Sung Ho Yun, Jin-Oh YANG, Gyoung Sun Cho, Mi Rae YOUM +1 more | 2016-11-08 |
| 8986598 | Alumina-coated spinel-silicon carbide refractory composition with high corrosion resistance to coal slag and method for manufacturing the same | Chang Sam Kim | 2015-03-24 |
| 8974857 | Methods for manufacturing of cobalt boride coating layer on surface of steels by using a pack cementation process | Jin-Kook Yoon, Jung-Man Doh | 2015-03-10 |
| 8877118 | Methods of producing anodes for solid oxide fuel cells | Chang Sam Kim, Kyoung Ran Han, Sung Woon Jeon | 2014-11-04 |
| 8815759 | Cement-free high strength unshaped refractory | Kyoung Ran Han, Chang Sam Kim | 2014-08-26 |
| 6567672 | Method of maintaining or terminating data communication in a flip type mobile phone | Hee-Bong Kim | 2003-05-20 |
| 6126749 | Apparatus for manufacturing reaction bonded silicon carbide | Huesup Song, Sang Dong Kim, Jo-Woong Ha | 2000-10-03 |
| 5770262 | Method for continuous manufacture of reaction bonded silicon carbide | Huesup Song, Sang Dong Kim, Jo-Woong Ha | 1998-06-23 |