H01J 49/0063
By applying a resonant excitation voltage
Official title: {by applying a resonant excitation voltage}
H01J49/0063 (By applying a resonant excitation voltage) appears on 51 US grants and 38 published applications in this corpus.
Search patents in H01J- Granted patents
- 51
- Published applications
- 38
- Assignees
- 35
- Inventors
- 101
- Latest grant
- 28 Nov 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 2 | 3 |
| 2006 | 6 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 2 |
| 2009 | 1 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 1 |
| 2012 | 3 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 1 |
| 2015 | 2 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 1 |
| 2019 | 2 | 2 |
| 2020 | 0 | 5 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stimulated or non-equilibrium energy-loss and energy-gain spectroscopy device28 Nov 2023US 11,830,718 B2Centre National De La Recherche Scientifique
- Mass spectrometry7 Mar 2023US 11,600,483 B2University of Warwick
- Mass spectrometer19 Jul 2022US 11,393,669 B2Shimadzu Corporation
- Method of separating different ions having similar mass to charge ratios7 Sep 2021US 11,114,291 B2Micromass UK Limited
- Trapped ion mobility spectrometer with high ion storage capacity27 Apr 2021US 10,989,690 B2
- Systems and methods for determination of oligonucleotide sequence by tandem mass spectrometry13 Aug 2026US 2026/0237623 A1
- Resonant CID for Sequencing of Oligonucleotides in Mass Spectrometry27 Nov 2025US 2025/0364236 A1DH Technologies Development Pte. Ltd.
- Mass spectrometer5 Nov 2020US 2020/0350153 A1Shimadzu Corporation
- Mass Spectrometry22 Oct 2020US 2020/0335321 A1University of Warwick
- Stimulated or non-equilibrium energy-loss and energy-gain spectroscopy device1 Oct 2020US 2020/0312649 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- Method of operating ion trap detector in MS/MS mode107US 4,736,101 AFinnigan Corporation · 1988
- Method of selectively inhibiting reaction between ions58US 7,064,317 B2Purdue Research Foundation · 2006
- Quadrupole ion trap mass spectrometer having two pulsed axial excitation input frequencies and method of parent and neutral loss scanning and selected reaction monitoring43US 5,075,547 AFinnigan Corporation · 1991
- Mass spectrometry method using supplemental AC voltage signals34US 5,200,613 ATeledyne MEC · 1993
- Method for performing a scan function on quadrupole ion trap mass spectrometers31US 6,147,348 AUniversity of Florida · 2000