Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10517449 | Cyclone dust collecting apparatus and hand-held cleaner having the same | Jung-gyun Han, Ki-man Kim, Seog-bong Baek | 2019-12-31 |
| 10446765 | Heterocyclic compound and organic light emitting element using same | Jung-hyun Lee, Su Jin Jung, Sang-Kyu Kang, Kee Yong Kim, Jin-Seok Choi +3 more | 2019-10-15 |
| 10387508 | Method and apparatus for providing information about content | Jung-ick Guack, Tae Wan Kim, Young-Soo Choi, Do-won Hyun, Jong-Soo Yoon +1 more | 2019-08-20 |
| 10381577 | Hetero-cyclic compound and organic light emitting device using the same | Geon-Yu PARK, Han-Kook Oh, Yun-Ji Lee, Jae Yeol MA, Jin-Seok Choi +2 more | 2019-08-13 |
| 10276780 | Semiconductor device, semiconductor device control method and optical switch | Byong Guk Park, Chul Yeon Jeon | 2019-04-30 |