Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9748951 | Switching circuit | Mark Ingels | 2017-08-29 |
| 9620347 | Ion guide device and ion guide method | Wenjian Sun | 2017-04-11 |
| 9570281 | Ion generation device and ion generation method | Wenjian Sun | 2017-02-14 |