Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12378364 | Polysiloxane-polycarbonate copolymer using hydroxy-terminated polysiloxane mixture, and method for producing same | Yun Ju Chang, Kyung Moo Shin, Mi-Ran Kim, Seung Pil JUNG, Jin Sik CHOI +1 more | 2025-08-05 |
| 9995453 | Lamp bulb with internal reflector | — | 2018-06-12 |
| 9951924 | LED illumination apparatus with internal reflector | — | 2018-04-24 |
| 9885457 | LED illumination lamp bulb with internal reflector | — | 2018-02-06 |
| 9865677 | Super junction semiconductor device | Hyuk Woo, Dae Byung Kim, Chang Yong Choi, Kwang Yeon Jun, Moon Soo Cho +1 more | 2018-01-09 |
| 9835306 | LED illumination apparatus | — | 2017-12-05 |
| 8840269 | LED illumination lamp bulb with internal reflector | — | 2014-09-23 |
| 8820962 | LED illumination lamp bulb with internal reflector | — | 2014-09-02 |
| 8512611 | Manufacturing method of toothbrush filaments using power toothbrush and toothbrush using thereof | Yeon-Bok Kang, Gui-Hwan Oh | 2013-08-20 |
| D663870 | LED lamp | — | 2012-07-17 |
| D661414 | LED lamp | Seong Jin Lee | 2012-06-05 |
| D644761 | LED lamp | Seong Jin Lee, Do-Hyoung Kim | 2011-09-06 |