G01R 33/246
Spatial mapping of the rf magnetic field b1
Official title: {Spatial mapping of the RF magnetic field B1}
G01R33/246 (Spatial mapping of the rf magnetic field b1) appears on 222 US grants and 255 published applications in this corpus.
Search patents in G01R- Granted patents
- 222
- Published applications
- 255
- Assignees
- 87
- Inventors
- 465
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 5 |
| 2006 | 3 | 3 |
| 2007 | 2 | 3 |
| 2008 | 4 | 9 |
| 2009 | 3 | 3 |
| 2010 | 5 | 11 |
| 2011 | 6 | 7 |
| 2012 | 5 | 11 |
| 2013 | 5 | 14 |
| 2014 | 6 | 18 |
| 2015 | 7 | 20 |
| 2016 | 11 | 18 |
| 2017 | 19 | 12 |
| 2018 | 24 | 21 |
| 2019 | 18 | 24 |
| 2020 | 24 | 16 |
| 2021 | 24 | 7 |
| 2022 | 9 | 14 |
| 2023 | 9 | 13 |
| 2024 | 9 | 9 |
| 2025 | 11 | 9 |
| 2026 | 7 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- High field magnetic resonance16 Jun 2026US RE50,920 E1Regents of the University of Minnesota
- Method for determining a radio-frequency transmission pulse for a magnetic resonance scan, a magnetic resonance apparatus, and a computer program product2 Jun 2026US 12,644,946 B2Siemens Healthineers AG
- Method and apparatus for measuring brain free water content and MRI system7 Apr 2026US 12,593,999 B2Henan Provincial People's Hospital
- B1 field map with contrast medium injection10 Mar 2026US 12,571,862 B2Siemens Healthineers AG
- Method of analysing medical images3 Mar 2026US 12,567,497 B2Perspectum Limited
- Magnetic resonance sequence with free excitation pulse and form-bound refocusing pulses30 Jul 2026US 2026/0219346 A1
- Bilateral orthogonality generative acquisitions18 Jun 2026US 2026/0169112 A1Board of Regents, The University of Texas System
- Rf transmit and receiver antenna detector system11 Jun 2026US 2026/0160840 A1Quantum IP, LLC
- Computer implemented method, computer program product, computer-readable storage medium, and system for enhancement of the signal-to-noise ratio of a magnetic field evolution4 Jun 2026US 2026/0154882 A1Skope Magnetic Resonance Technologies GMBH
- Noise dampening for intensity correction in magnetic resonance imaging30 Apr 2026US 2026/0118460 A1Canon Medical Systems Corporation
Most cited
By later US patents
- Method and apparatus for calibrating a magnetic field generator184US 6,335,617 B12002
- High field magnetic resonance122US 7,800,368 B2Regents of the University of Minnesota · 2010
- Image synthesizing method for forming a composite image from basic images57US 5,864,234 AU. S. Philips Corporation · 1999
- Parallel transceiver for nuclear magnetic resonance system40US 6,969,992 B2Regents of the University of Minnesota · 2005
- Radio frequency field localization for magnetic resonance36US 7,633,293 B2Regents of the University of Minnesota · 2009