H01J 49/004
Combinations of spectrometers, tandem spectrometers
Official title: {Combinations of spectrometers, tandem spectrometers, e.g. MS/MS, MSn}
H01J49/004 (Combinations of spectrometers, tandem spectrometers) appears on 1,745 US grants and 1,948 published applications in this corpus.
Search patents in H01J- Granted patents
- 1,745
- Published applications
- 1,948
- Assignees
- 459
- Inventors
- 1,931
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 10 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 4 | 0 |
| 2000 | 14 | 0 |
| 2001 | 11 | 5 |
| 2002 | 13 | 24 |
| 2003 | 29 | 39 |
| 2004 | 45 | 46 |
| 2005 | 28 | 48 |
| 2006 | 41 | 46 |
| 2007 | 34 | 47 |
| 2008 | 36 | 65 |
| 2009 | 49 | 78 |
| 2010 | 37 | 65 |
| 2011 | 53 | 76 |
| 2012 | 65 | 54 |
| 2013 | 70 | 75 |
| 2014 | 80 | 93 |
| 2015 | 93 | 111 |
| 2016 | 99 | 121 |
| 2017 | 104 | 130 |
| 2018 | 121 | 106 |
| 2019 | 100 | 111 |
| 2020 | 113 | 120 |
| 2021 | 88 | 97 |
| 2022 | 90 | 89 |
| 2023 | 74 | 79 |
| 2024 | 68 | 84 |
| 2025 | 60 | 89 |
| 2026 | 35 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mass spectral encoding6 Oct 2026US 12,755,953 B2Micromass UK Limited
- Methods for identifying sulfur-treated food products22 Sep 2026US 12,742,755 B2Hong Kong Baptist University
- Identification of microorganisms based on identification of peptides using a liquid separation device coupled with a mass spectrometer and processing means15 Sep 2026US 12,736,542 B2Centre National de la Recherche Scientifique (CNRS)
- Data independent acquisition of production spectra and reference spectra library matching15 Sep 2026US 12,738,469 B2DH Technologies Development Pte. Ltd.
- Ultra high throughput screening combined with definitive testing in a single sample preparation step15 Sep 2026US 12,738,470 B2DH Technologies Development Pte. Ltd.
- Mass spectrometer having parallel precursor ion isolation1 Oct 2026US 2026/0298873 A1Micromass UK Limited
- Assignment of environmental attributes and a measured value in production networks1 Oct 2026US 2026/0300886 A1BASF SE
- Mass spectrometer and method1 Oct 2026US 2026/0302150 A1Truemass Ltd
- Systems and methods for multi-channel mass spectrometry17 Sep 2026US 2026/0279754 A1Peninsula Technologies, LLC
- Multidimensional Variable Scanning SWATH Mass Spectrometry10 Sep 2026US 2026/0269202 A1DH Technologies Development Pte. Ltd.
Most cited
By later US patents
- Methods and apparatus for tandem mass spectrometry255US 6,107,623 AMicromass Limited · 2000
- Mass spectrometry from surfaces248US 6,204,500 B1Analytica of Branford, Inc. · 2001
- Spectrometer with axial field183US 5,847,386 AMDS Inc. · 1998
- Use of mass spectrometry fragmentation patterns of peptides to identify amino acid sequences in databases176US 5,538,897 AUniversity of Washington · 1996
- Axial ejection in a multipole mass spectrometer152US 6,177,668 B1MDS Inc. · 2001