Issued Patents 2021
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11116769 | Tadalafil free base-containing film dosage form containing polyethylene glycol-based polymer and/or vinyl pyrrolidone-based polymer as dispersion stabilizer | Hong Ryeol JEON, Do-Woo Kwon, Bong Sang Lee, Su-Jun Park, Bong Geun Cha +2 more | 2021-09-14 |
| D924843 | Audio player | Sungyong Park, Chulhee Lim, Chaelin Lee | 2021-07-13 |
| D924202 | Audio player | Sungyong Park, Chulhee Lim, Chaelin Lee | 2021-07-06 |
| 10972410 | Managing context information between chatbot and user device | No Suk Myung, Ji Soo Hwang, Hee Keung Lee | 2021-04-06 |
| D913255 | Socket for vacuum tube | Sungyong Park, Chulhee Lim, Chaelin Lee | 2021-03-16 |
| 10898882 | Surface-modified boron nitride nanostructure and method for producing same | Jaewoo Kim, Young Soo Seo, Tae Jin Kim, Won-Il Lee, Duckbong Seo | 2021-01-26 |
| D907605 | Case for vacuum tubes | Sungyong Park, Chulhee Lim, Chaelin Lee | 2021-01-12 |