G01R 33/56563
Caused by a distortion of the main magnetic field b0
Official title: {caused by a distortion of the main magnetic field B0, e.g. temporal variation of the magnitude or spatial inhomogeneity of B0 (G01R33/56509, G01R33/56518, G01R33/56536 take precedence)}
G01R33/56563 (Caused by a distortion of the main magnetic field b0) appears on 603 US grants and 566 published applications in this corpus.
Search patents in G01R- Granted patents
- 603
- Published applications
- 566
- Assignees
- 183
- Inventors
- 1,033
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 13 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 8 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 6 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 12 | 5 |
| 2002 | 12 | 9 |
| 2003 | 12 | 9 |
| 2004 | 10 | 8 |
| 2005 | 6 | 15 |
| 2006 | 12 | 8 |
| 2007 | 7 | 18 |
| 2008 | 10 | 11 |
| 2009 | 8 | 24 |
| 2010 | 17 | 24 |
| 2011 | 19 | 19 |
| 2012 | 19 | 23 |
| 2013 | 14 | 28 |
| 2014 | 25 | 24 |
| 2015 | 14 | 37 |
| 2016 | 17 | 35 |
| 2017 | 24 | 32 |
| 2018 | 42 | 29 |
| 2019 | 49 | 29 |
| 2020 | 38 | 28 |
| 2021 | 33 | 22 |
| 2022 | 19 | 36 |
| 2023 | 24 | 30 |
| 2024 | 29 | 23 |
| 2025 | 31 | 23 |
| 2026 | 10 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic resonance imaging with machine-learning based shim settings6 Oct 2026US 12,754,266 B2Koninklijke Philips N. V.
- Magnetic resonance imaging apparatus and image processing method29 Sep 2026US 12,749,242 B2FUJIFILM Corporation
- High-temporal resolution motion-estimation in MRI data acquisition25 Aug 2026US 12,716,977 B2The Board of Trustees of the Leland Stanford Junior University
- MR imaging with spiral acquisition5 May 2026US 12,618,925 B2Koninklijke Philips N. V.
- Method for acquiring a magnetic resonance image with an extended field of view21 Apr 2026US 12,607,697 B1Siemens Healthineers AG
- Systems, apparatuses, and methods for determining scan parameters24 Sep 2026US 2026/0287696 A1Siemens Healthineers AG
- Ascertaining pulses by taking into consideration inhomogeneity regions27 Aug 2026US 2026/0251746 A1
- System and method for improving nmr measurement results for a sample6 Aug 2026US 2026/0227475 A1Bruker BioSpin GmbH
- Systems and methods for volumetric acquisition in a single-sided mri scanner30 Jul 2026US 2026/0219342 A1Promaxo, Inc.
- Deep learning enabled b0 mapping23 Jul 2026US 2026/0211067 A1Siemens Healthineers AG
Most cited
By later US patents
- Magnetic resonance imaging with bipolar multi-echo sequences94US 7,777,486 B2The Board of Trustees of the Leland Stanford Junior University · 2010
- Pulse sequences for low field magnetic resonance80US 10,591,561 B2Hyperfine Research, Inc. · 2020
- Method for magnetic resonance imaging and related apparatus79US 5,099,208 AVanderbilt University · 1992
- Magnetic resonance imaging method for moving object57US 5,115,812 AHitachi, Ltd. · 1992
- Three-dimensional magnetic resonance image distortion correction method and system53US 5,005,578 ASAM Technology, Inc. · 1991