H01J 49/32
Using double focusing
Official title: using double focusing
H01J49/32 (Using double focusing) appears on 96 US grants and 32 published applications in this corpus.
Search patents in H01J- Granted patents
- 96
- Published applications
- 32
- Assignees
- 51
- Inventors
- 141
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 7 | 0 |
| 2002 | 4 | 1 |
| 2003 | 5 | 2 |
| 2004 | 5 | 3 |
| 2005 | 2 | 2 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 3 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 3 |
| 2018 | 2 | 1 |
| 2019 | 1 | 4 |
| 2020 | 4 | 1 |
| 2021 | 1 | 2 |
| 2022 | 1 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Cycloidal mass spectrometer and method for adjusting resolution thereof16 Sep 2025US 12,417,905 B2Shimadzu Corporation
- Virtual slit cycloidal mass spectrometer29 Oct 2024US 12,131,894 B2Arizona Board of Regents on Behalf of the University of Arizona
- Multiple beam secondary ion mass spectrometry device3 Jan 2023US 11,545,352 B2Luxembourg Institute of Science and Technology (List)
- Resonance ionization filter for secondary ion and accelerator mass spectrometry15 Nov 2022US 11,501,960 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Mass spectrometers having segmented electrodes and associated methods3 Aug 2021US 11,081,331 B2Duke University
- Mass spectrum data processing13 Feb 2025US 2025/0054741 A1Luxembourg Institute of Science and Technology (List)
- Virtual slit cycloidal mass spectrometer29 Aug 2024US 2024/0290604 A1Arizona Board of Regents on Behalf of the University of Arizona
- Tuning a mass spectrometer filter14 Mar 2024US 2024/0087863 A1Thermo Fisher Scientific (Bremen) GmbH
- Cycloidal mass spectrometer and method for adjusting resolution thereof2 Nov 2023US 2023/0352292 A1Shimadzu Corporation
- Resonance Ionization Filter for Secondary Ion and Accelerator Mass Spectrometry25 Nov 2021US 2021/0366698 A1The Government of the United States of America, as represented by the Secretary of the Navy
Most cited
By later US patents
- Detection method for dissociation of multiple-charged ions87US 5,073,713 ABattelle Memorial Institute · 1991
- Radial plasma mass filter74US 6,322,706 B1Archimedes Technology Group, Inc. · 2001
- Mass spectrometer having an ICP source51US 5,552,599 AFinnegan Mat GmbH · 1996
- Direct imaging type SIMS instrument43US 4,912,326 AJEOL Ltd. · 1990
- Plasma mass filter43US 6,096,220 AArchimedes Technology Group, Inc. · 2000