G01R 33/56518
Due to eddy currents
Official title: {due to eddy currents, e.g. caused by switching of the gradient magnetic field}
G01R33/56518 (Due to eddy currents) appears on 411 US grants and 365 published applications in this corpus.
Search patents in G01R- Granted patents
- 411
- Published applications
- 365
- Assignees
- 109
- Inventors
- 609
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 5 | 0 |
| 1988 | 6 | 0 |
| 1989 | 8 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 8 | 2 |
| 2002 | 16 | 11 |
| 2003 | 3 | 5 |
| 2004 | 6 | 11 |
| 2005 | 7 | 9 |
| 2006 | 11 | 8 |
| 2007 | 9 | 9 |
| 2008 | 9 | 5 |
| 2009 | 4 | 9 |
| 2010 | 6 | 11 |
| 2011 | 8 | 18 |
| 2012 | 9 | 16 |
| 2013 | 16 | 16 |
| 2014 | 9 | 14 |
| 2015 | 9 | 16 |
| 2016 | 11 | 23 |
| 2017 | 24 | 17 |
| 2018 | 19 | 17 |
| 2019 | 32 | 17 |
| 2020 | 21 | 27 |
| 2021 | 17 | 20 |
| 2022 | 19 | 24 |
| 2023 | 21 | 21 |
| 2024 | 19 | 13 |
| 2025 | 19 | 15 |
| 2026 | 7 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- MRI apparatus15 Sep 2026US 12,736,602 B2Canon Kabushiki Kaisha
- Dynamic shim approach to correct eddy-currents and concomitant fields in magnetic resonance imaging using local shim coil16 Jun 2026US 12,656,433 B2The Board of Trustees of the Leland Stanford Junior University
- Ferromagnetic frame for magnetic resonance imaging17 Feb 2026US 12,553,968 B2Hyperfine Operations, Inc.
- Methods and systems for calibrating medical devices3 Feb 2026US 12,540,995 B2Shanghai United Imaging Healthcare Co., Ltd.
- Superconducting magnet and MRI apparatus13 Jan 2026US 12,523,723 B2Canon Medical Systems Corporation
- Simulation-based eddy current correction for diffusion weighted imaging8 Oct 2026US 2026/0309824 A1Siemens Healthineers AG
- Methods and systems for calibrating medical devices24 Sep 2026US 2026/0287700 A1Shanghai United Imaging Healthcare Co., Ltd.
- Method and system for measuring eddy currents generated by an mri system component30 Jul 2026US 2026/0219347 A1GE Precision Healthcare LLC
- Deep learning enabled correction of eddy current induced distortions in diffusion mri23 Jul 2026US 2026/0211071 A1Siemens Healthineers AG
- Magnetic resonance imaging system and eddy current acquisition method therefor23 Jul 2026US 2026/0211072 A1GE Precision Healthcare LLC
Most cited
By later US patents
- 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
- Methods and apparatus for thermal management of an MRI component by reducing eddy currents118US 9,645,210 B2Hyperfine Research, Inc. · 2017
- Low field magnetic resonance imaging methods and apparatus114US 9,541,616 B2Hyperfine Research, Inc. · 2017
- Noise suppression methods and apparatus114US 9,547,057 B2Hyperfine Research, Inc. · 2017