Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9997343 | Mass analyser and method of mass analysis | Li Ding, Sumio Kumashiro | 2018-06-12 |
| 9691596 | Mass analyser and method of mass analysis | Li Ding, Sumio Kumashiro | 2017-06-27 |
| 9159544 | Mass analyser and method of mass analysis | Li Ding, Sumio Kumashiro | 2015-10-13 |
| 8237111 | Multi-reflecting ion optical device | Uriy Golikov, Konstantin Solovyev, Sumio Kumashiro | 2012-08-07 |
| 7045797 | Axial ejection with improved geometry for generating a two-dimensional substantially quadrupole field | Donald J. Douglas, Chuan-Fan Ding | 2006-05-16 |