G01R 33/3875
Using correction coil assemblies
Official title: using correction coil assemblies, e.g. active shimming
G01R33/3875 (Using correction coil assemblies) appears on 563 US grants and 441 published applications in this corpus.
Search patents in G01R- Granted patents
- 563
- Published applications
- 441
- Assignees
- 184
- Inventors
- 909
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 11 | 0 |
| 1987 | 14 | 0 |
| 1988 | 11 | 0 |
| 1989 | 11 | 0 |
| 1990 | 11 | 0 |
| 1991 | 9 | 0 |
| 1992 | 10 | 0 |
| 1993 | 10 | 0 |
| 1994 | 17 | 0 |
| 1995 | 11 | 0 |
| 1996 | 15 | 0 |
| 1997 | 14 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 5 |
| 2003 | 7 | 6 |
| 2004 | 13 | 7 |
| 2005 | 5 | 7 |
| 2006 | 3 | 8 |
| 2007 | 10 | 22 |
| 2008 | 10 | 13 |
| 2009 | 13 | 7 |
| 2010 | 6 | 11 |
| 2011 | 6 | 12 |
| 2012 | 9 | 19 |
| 2013 | 9 | 19 |
| 2014 | 13 | 20 |
| 2015 | 13 | 24 |
| 2016 | 18 | 46 |
| 2017 | 36 | 24 |
| 2018 | 29 | 31 |
| 2019 | 48 | 24 |
| 2020 | 28 | 25 |
| 2021 | 23 | 25 |
| 2022 | 27 | 22 |
| 2023 | 19 | 12 |
| 2024 | 16 | 17 |
| 2025 | 9 | 21 |
| 2026 | 10 | 12 |
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.
- 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
- Active shimming for low-field magnetic resonance imaging30 Jun 2026US 12,669,561 B2Neuro42 Inc.
- 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
- Deep learning enabled b0 mapping23 Jul 2026US 2026/0211067 A1Siemens Healthineers AG
- Apparatus and method for isolating shim elements25 Jun 2026US 2026/0177650 A1Siemens Healthineers AG
- Shim Parameter Set Ascertainment for a Magnetic Resonance Facility18 Jun 2026US 2026/0169108 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
- 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
- Structured coil electromagnets for magnetic resonance imaging and method for fabricating the same117US 5,382,904 AHouston Advanced Research Center · 1995