| Patent application number | Description | Published |
| 20100012835 | MS/MS MASS SPECTROMETER - The inside of the collision cell | 01-21-2010 |
| 20100096541 | MASS SPECTROMETER - An electrode member ( | 04-22-2010 |
| 20100102217 | MS/MS MASS SPECTROMETER - The length of the collision cell ( | 04-29-2010 |
| 20100116979 | MASS SPECTROMETER - One virtual rod electrode is composed by a plurality of electrode plain plates arranged in the ion optical axis direction, and four virtual rod electrodes are arranged around the ion optical axis to form a virtual quadrupole rod type ion transport optical system ( | 05-13-2010 |
| 20100171035 | MASS SPECTROMETER - A radio-frequency ion guide ( | 07-08-2010 |
| 20110006203 | MS/MS MASS SPECTROMETER - During a halt period of time when the introduction of ions is temporarily discontinued to change an objective ion to be selected by a first mass separator in the previous stage, a pulsed voltage having a polarity opposite to that of the ions remaining in a collision cell ( | 01-13-2011 |
| 20110240851 | MASS SPECTROMETER - A radio-frequency ion guide ( | 10-06-2011 |
| 20120205536 | MS/MS MASS SPECTROMETER - The gas conductance on the ion injection side of a collision cell is made larger than the gas conductance on the ion exit side by providing two ion injection apertures | 08-16-2012 |