Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9983251 | Grounding monitoring device | — | 2018-05-29 |
| 9948071 | Ionizer with a needle cleaning device | Qinfei Chen, Chee Ming Ng, Kam Poi Chia, John Zenon G Vallinan, Yoshiaki Sato | 2018-04-17 |