Issued Patents All Time
Showing 376–379 of 379 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5739530 | Method and device for the introduction of ions into quadrupole ion traps | Jochen Franzen, Reemt-Holger Gabling | 1998-04-14 |
| 5468958 | Quadrupole ion trap with switchable multipole fractions | Jochen Franzen | 1995-11-21 |
| 5444821 | Artificial neuron element with electrically programmable synaptic weight for neural networks | Zhi-Jian Li, Bing-Xue Shi | 1995-08-22 |
| 5283436 | Generation of an exact three-dimensional quadrupole electric field and superposition of a homogeneous electric field in trapping-exciting mass spectrometer (TEMS) | — | 1994-02-01 |