G01R 33/383
Using permanent magnets
Official title: using permanent magnets
G01R33/383 (Using permanent magnets) appears on 687 US grants and 593 published applications in this corpus.
Search patents in G01R- Granted patents
- 687
- Published applications
- 593
- Assignees
- 249
- Inventors
- 967
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 13 | 0 |
| 1988 | 9 | 0 |
| 1989 | 12 | 0 |
| 1990 | 6 | 0 |
| 1991 | 13 | 0 |
| 1992 | 13 | 0 |
| 1993 | 7 | 0 |
| 1994 | 16 | 0 |
| 1995 | 17 | 0 |
| 1996 | 15 | 0 |
| 1997 | 15 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 11 | 0 |
| 2001 | 17 | 2 |
| 2002 | 16 | 12 |
| 2003 | 14 | 7 |
| 2004 | 16 | 19 |
| 2005 | 20 | 17 |
| 2006 | 13 | 16 |
| 2007 | 9 | 15 |
| 2008 | 13 | 15 |
| 2009 | 12 | 21 |
| 2010 | 16 | 21 |
| 2011 | 13 | 19 |
| 2012 | 11 | 21 |
| 2013 | 19 | 12 |
| 2014 | 13 | 18 |
| 2015 | 8 | 29 |
| 2016 | 14 | 30 |
| 2017 | 26 | 33 |
| 2018 | 23 | 38 |
| 2019 | 43 | 37 |
| 2020 | 51 | 43 |
| 2021 | 33 | 37 |
| 2022 | 28 | 31 |
| 2023 | 28 | 26 |
| 2024 | 22 | 24 |
| 2025 | 25 | 37 |
| 2026 | 15 | 13 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic resonance imaging apparatus provided with a magnetic assembly29 Sep 2026US 12,748,168 B2Multiwave Technologies AG
- Method for correcting inhomogeneity of the static magnetic field particularly of the static magnetic field generated by the magnetic structure of a machine for acquiring nuclear magnetic resonance images and MRI system for carrying out such method1 Sep 2026US 12,724,095 B2Esaote S.p.A.
- Permanent magnet assembly for magnetic resonance imaging with non-ferromagnetic frame18 Aug 2026US 12,710,496 B2Hyperfine Operations, Inc.
- Concentration determination using single-peak NMR spectra11 Aug 2026US 12,704,471 B24IR Solutions Ltd.
- Electromagnetic shielding for magnetic resonance imaging methods and apparatus7 Jul 2026US 12,672,791 B2Hyperfine Operations, Inc.
- Magnetometer comprising a sensor crystal17 Sep 2026US 2026/0276759 A1
- Magnetic field sensor comprising a sensor circuit board20 Aug 2026US 2026/0243855 A1
- Systems and methods for volumetric acquisition in a single-sided mri scanner30 Jul 2026US 2026/0219342 A1Promaxo, Inc.
- B0 magnet methods and apparatus for a magnetic resonance imaging system23 Jul 2026US 2026/0211066 A1Hyperfine Operations, Inc.
- Cross-term spatiotemporal encoding (xspen) techniques for single-sided mri4 Jun 2026US 2026/0154884 A1Promaxo, Inc.
Most cited
By later US patents
- Magnetic field generating device for NMR-CT134US 4,672,346 ASumotomo Special Metal Co., Ltd. · 1987
- Superconducting MRI magnet with magnetic flux field homogeneity control126US 5,194,810 AApplied Superconetics, Inc. · 1993
- Method of obtaining information of a specified or target area of a living body near its skin surface by the application of a nuclear magnetic resonance phenomenon123US 4,240,439 AHokkaido University · 1980
- Low field magnetic resonance imaging methods and apparatus120US 9,817,093 B2Hyperfine Research, Inc. · 2017
- Ferromagnetic augmentation for magnetic resonance imaging119US 9,625,544 B2Hyperfine Research, Inc. · 2017