Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9044964 | Micro ballpoint pen and printing apparatus | Yong Suk Yang, Seongdeok Ahn, Kyoung Ik Cho | 2015-06-02 |
| 8778447 | Hybrid compositions containing organic material and inorganic material, and hybrid dielectric layers including the same | Jiyoung Oh | 2014-07-15 |