Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10994283 | Electronic dust collecting apparatus and method of manufacturing dust collector | Yasuhiko Kochiyama, Hye Won Gil | 2021-05-04 |
| 10933431 | Electric dust collection device and manufacturing method therefor | Yasuhiko Kochiyama, Jung Yoon Hahm | 2021-03-02 |