Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10017004 | Thermochromic writing instrument | — | 2018-07-10 |
| 9991083 | Magnetron cooling fin and magnetron having the same | Dong Ho Park, Myoung Keun Kwon, Eung Ryeol Seo, Seung Chul YANG | 2018-06-05 |
| 9909025 | Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the same | — | 2018-03-06 |
| 9879147 | Thermochromic micro particles and thermochromic ink composition, writing apparatus and smart window using the same | — | 2018-01-30 |