Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10888811 | Air purifying unit and air cleaning/ventilation device comprising same | Hyun-Jin Hong, Chan-Jung Park, Hyung Tae Kim, Jong Min Kim, Kyung Hwan Lee | 2021-01-12 |
| 9581399 | Heat exchanger washing device and air conditioner having the same | Chan Hee Lee | 2017-02-28 |
| 9476751 | Water level sensor and heat exchanger sterilizing and humidifying apparatus having the same | — | 2016-10-25 |
| 8899558 | Water level sensor and heat exchanger sterilizing and humidifying apparatus having the same | — | 2014-12-02 |
| 7968423 | Method for forming isolation layer and method for fabricating nonvolatile memory device using the same | — | 2011-06-28 |