Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9873128 | Electrostatic precipitation type air cleaner | Taeyoung Kim, Sangyoon Kim, Yanghwa Lee | 2018-01-23 |
| 9791158 | Electric dust collecting device and air conditioner having the same | Yanghwa Lee, Seungjae BAECK, Jihye Ahn | 2017-10-17 |