Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9625167 | Humidifier | Jin Young Choi, Jun Ho Ji, Du-seop Yoon, Byeong Cheol Yoon, Doo-woong Lee +2 more | 2017-04-18 |
| 8690996 | Electric precipitator and electrode plate thereof | Jun Ho Jl, Hyong Soo Noh, Byeong Cheol Yoon, Kochiyama Yasuhiko, Du-seop Yoon +2 more | 2014-04-08 |
| 8690998 | Electric precipitator | Jun Ho Ji, Byeong Cheol Yoon, Jun-Young Lee | 2014-04-08 |