G01R 33/387
Compensation of inhomogeneities
G01R33/387 (Compensation of inhomogeneities) appears on 956 US grants and 764 published applications in this corpus.
Search patents in G01R- Granted patents
- 956
- Published applications
- 764
- Assignees
- 274
- Inventors
- 1,321
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 14 | 0 |
| 1987 | 20 | 0 |
| 1988 | 18 | 0 |
| 1989 | 17 | 0 |
| 1990 | 15 | 0 |
| 1991 | 19 | 0 |
| 1992 | 15 | 0 |
| 1993 | 14 | 0 |
| 1994 | 25 | 0 |
| 1995 | 23 | 0 |
| 1996 | 19 | 0 |
| 1997 | 22 | 0 |
| 1998 | 10 | 0 |
| 1999 | 12 | 0 |
| 2000 | 8 | 0 |
| 2001 | 15 | 3 |
| 2002 | 12 | 17 |
| 2003 | 19 | 19 |
| 2004 | 29 | 17 |
| 2005 | 22 | 14 |
| 2006 | 10 | 17 |
| 2007 | 20 | 39 |
| 2008 | 19 | 28 |
| 2009 | 27 | 19 |
| 2010 | 12 | 22 |
| 2011 | 15 | 22 |
| 2012 | 15 | 28 |
| 2013 | 19 | 29 |
| 2014 | 20 | 33 |
| 2015 | 18 | 46 |
| 2016 | 25 | 54 |
| 2017 | 48 | 44 |
| 2018 | 47 | 54 |
| 2019 | 72 | 41 |
| 2020 | 56 | 43 |
| 2021 | 38 | 35 |
| 2022 | 35 | 34 |
| 2023 | 30 | 24 |
| 2024 | 25 | 30 |
| 2025 | 21 | 34 |
| 2026 | 21 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic resonance imaging with machine-learning based shim settings6 Oct 2026US 12,754,266 B2Koninklijke Philips N. V.
- Shimming device for a magnetic resonance imaging system29 Sep 2026US 12,748,169 B2Shanghai United Imaging Healthcare Co., Ltd.
- Superconducting magnet and MRI apparatus22 Sep 2026US 12,742,843 B2Canon Kabushiki Kaisha
- Dynamic low-order shimming for arterial spin labeling8 Sep 2026US 12,730,169 B2Siemens Healthineers 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.
- Shimming a magnetic resonance imaging system6 Aug 2026US 2026/0227473 A1Koninklijke Philips N. V.
- System and method for improving nmr measurement results for a sample6 Aug 2026US 2026/0227475 A1Bruker BioSpin GmbH
- B0 magnet methods and apparatus for a magnetic resonance imaging system23 Jul 2026US 2026/0211066 A1Hyperfine Operations, Inc.
- Deep learning enabled b0 mapping23 Jul 2026US 2026/0211067 A1Siemens Healthineers AG
- Method and apparatus for automatic loading of shim trays25 Jun 2026US 2026/0177649 A1Siemens Healthineers AG
Most cited
By later US patents
- Integrated high-frequency generator system utilizing the magnetic field of the target application219US 8,786,284 B2Bridge12 Technologies, Inc. · 2014
- 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