Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10345223 | Optical gas sensor | Kwang-bok Kim, Dae-Kwang Jung, Yong-Won Jeong, Jun-Ho Koh, Chang Hyun Kim +2 more | 2019-07-09 |
| 10241105 | Portable device having exhalation sensing function | Jang-pyo PARK, Sang Hun Lee, Chang Hyun Kim, Jeong-Eun Lee | 2019-03-26 |
| 10177590 | Electronic device having auxiliary battery embedded therein and method of charging auxiliary battery | Myung-Sik Kim, Young-chul Ko, Chang-yeong Kim, June-hee Lee, So Won Kim +1 more | 2019-01-08 |
| 10167207 | Electrolytic apparatus with circulator, reverse osmosis filter, and cooler, for producing reducing water | Young-chul Ko, Young Uk Yun, Tae Gyu Kim, Chang Bae LIM | 2019-01-01 |