G01R 33/5617
Using rf refocusing
Official title: {using RF refocusing, e.g. RARE}
G01R33/5617 (Using rf refocusing) appears on 513 US grants and 501 published applications in this corpus.
Search patents in G01R- Granted patents
- 513
- Published applications
- 501
- Assignees
- 152
- Inventors
- 722
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 8 | 0 |
| 1994 | 10 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 13 | 6 |
| 2003 | 4 | 4 |
| 2004 | 3 | 3 |
| 2005 | 2 | 1 |
| 2006 | 3 | 6 |
| 2007 | 11 | 16 |
| 2008 | 9 | 31 |
| 2009 | 19 | 21 |
| 2010 | 17 | 30 |
| 2011 | 12 | 23 |
| 2012 | 22 | 22 |
| 2013 | 26 | 20 |
| 2014 | 12 | 19 |
| 2015 | 16 | 27 |
| 2016 | 12 | 28 |
| 2017 | 30 | 31 |
| 2018 | 35 | 25 |
| 2019 | 43 | 38 |
| 2020 | 35 | 34 |
| 2021 | 31 | 21 |
| 2022 | 28 | 28 |
| 2023 | 19 | 16 |
| 2024 | 17 | 16 |
| 2025 | 21 | 18 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Interleaved flow-sensitive dephasing (IFSD) for enhanced blood flow suppression and preserved T1-weighted contrast and overall signal intensity in 3D turbo spin-echo imaging6 Oct 2026US 12,754,270 B2University of Southern California
- System and method for distortion and motion artifact-free diffusion imaging using single-shot diffusion-prepared turbo-spin-echo sequence with spiral-ring readouts and magnitude stabilizers8 Sep 2026US 12,730,171 B2University of Virginia Patent Foundation
- Systems and methods for magnetic resonance imaging18 Aug 2026US 12,710,498 B2Shanghai United Imaging Healthcare Co., Ltd.
- Quantitative measurement of the perivascular space for CNS and brain disorders2 Jun 2026US 12,642,433 B2Northeastern University
- Systems and methods for radio frequency (RF) based spatial encoding in magnetic resonance imaging using frequency-modulated RF pulses12 May 2026US 12,625,209 B2Regents of the University of Minnesota
- Quantitative measurement of the perivascular space for cns and brain disorders17 Sep 2026US 2026/0272303 A1Northeastern University
- Computer-implemented method for operating a magnetic resonance facility, magnetic resonance facility, computer program, and electronically readable data carrier27 Aug 2026US 2026/0251742 A1
- Systems and methods for radio frequency (rf) based spatial encoding in magnetic resonance imaging using frequency-modulated rf pulses20 Aug 2026US 2026/0243856 A1
- Magnetic resonance sequence with free excitation pulse and form-bound refocusing pulses30 Jul 2026US 2026/0219346 A1
- Deep learning enabled b0 mapping23 Jul 2026US 2026/0211067 A1Siemens Healthineers AG
Most cited
By later US patents
- Tracking system to monitor the position and orientation of a device using multiplexed magnetic resonance detection462US 5,318,025 AGeneral Electric Company · 1994
- Tracking system to monitor the position and orientation of a device using magnetic resonance detection of a sample contained within the device391US 5,271,400 AGeneral Electric Company · 1993
- Tracking system to monitor the position of a device using multiplexed magnetic resonance detection253US 5,353,795 AGeneral Electric Company · 1994
- Magnetic resonance (MR) angiography using a faraday catheter236US 5,419,325 AGeneral Electric Company · 1995
- Tracking system and pulse sequences to monitor the position of a device using magnetic resonance187US 5,307,808 AGeneral Electric Company · 1994