G01R 33/48
Nmr imaging systems
Official title: NMR imaging systems
G01R33/48 (Nmr imaging systems) appears on 11,444 US grants and 11,682 published applications in this corpus.
Search patents in G01R- Granted patents
- 11,444
- Published applications
- 11,682
- Assignees
- 2,063
- Inventors
- 12,990
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 8 | 0 |
| 1982 | 8 | 0 |
| 1983 | 6 | 0 |
| 1984 | 20 | 0 |
| 1985 | 40 | 0 |
| 1986 | 66 | 0 |
| 1987 | 133 | 0 |
| 1988 | 112 | 0 |
| 1989 | 114 | 0 |
| 1990 | 102 | 0 |
| 1991 | 112 | 0 |
| 1992 | 105 | 0 |
| 1993 | 131 | 0 |
| 1994 | 158 | 0 |
| 1995 | 112 | 0 |
| 1996 | 141 | 0 |
| 1997 | 109 | 0 |
| 1998 | 109 | 0 |
| 1999 | 87 | 0 |
| 2000 | 129 | 0 |
| 2001 | 149 | 55 |
| 2002 | 170 | 171 |
| 2003 | 174 | 213 |
| 2004 | 168 | 178 |
| 2005 | 139 | 240 |
| 2006 | 170 | 223 |
| 2007 | 165 | 280 |
| 2008 | 202 | 399 |
| 2009 | 228 | 393 |
| 2010 | 271 | 492 |
| 2011 | 265 | 422 |
| 2012 | 336 | 458 |
| 2013 | 378 | 558 |
| 2014 | 370 | 600 |
| 2015 | 347 | 784 |
| 2016 | 424 | 655 |
| 2017 | 580 | 648 |
| 2018 | 620 | 642 |
| 2019 | 859 | 653 |
| 2020 | 756 | 633 |
| 2021 | 575 | 567 |
| 2022 | 545 | 582 |
| 2023 | 473 | 526 |
| 2024 | 477 | 504 |
| 2025 | 474 | 493 |
| 2026 | 320 | 313 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G01R 33/54Signal processing systems9,472
- G01R 33/483With selection of signals or spectra from particular regions of the volume1,757
- G01R 33/4818Mr characterised by data acquisition along a specific k-space trajectory or by1,492
- G01R 33/4808Multimodal mr976
- G01R 33/50Based on the determination of relaxation times861
- G01R 33/58Calibration of imaging systems798
- G01R 33/4828Resolving the mr signals of different chemical species737
- G01R 33/4806Functional imaging of brain activation393
Recent patents
- Recommender system using cognitive pre-testing to select optimal MRI scanning tasks6 Oct 2026US 12,751,624 B2Koninklijke Philips N. V.
- Systems and methods for image acquisition6 Oct 2026US 12,751,683 B2Shanghai United Imaging Healthcare Co., Ltd.
- NMR characterization of modified drilling fluids6 Oct 2026US 12,754,154 B2Schlumberger Technology Corporation
- Magnetic resonance imaging with machine-learning based shim settings6 Oct 2026US 12,754,266 B2Koninklijke Philips N. V.
- System and method for generating water-fat separated image6 Oct 2026US 12,754,267 B2GE Precision Healthcare LLC
- Systems and methods for cardiovascular magnetic resonance imaging8 Oct 2026US 2026/0305946 A1Ohio State Innovation Foundation
- Lumbar-vertebra magnetic resonance imaging method and apparatus, computer device, readable storage medium, and program product8 Oct 2026US 2026/0305970 A1Hainan General Hospital
- Method for Operating a Magnetic Resonance Device, Magnetic Resonance Device, Computer Program and Storage Medium8 Oct 2026US 2026/0309820 A1Siemens Healthineers AG
- Interface for a medical imaging system8 Oct 2026US 2026/0309821 A1Koninklijke Philips N. V.
- Magnetic resonance imaging apparatus, image processing apparatus, image processing method, and program8 Oct 2026US 2026/0309822 A1FUJIFILM Corporation
Most cited
By later US patents
- Device construction and method facilitating magnetic resonance imaging of foreign objects in a body594US 4,989,608 A1991
- Tracking system to monitor the position and orientation of a device using multiplexed magnetic resonance detection462US 5,318,025 AGeneral Electric Company · 1994
- ECG amplifier and cardiac pacemaker for use during magnetic resonance imaging439US 5,217,010 AThe Johns Hopkins University · 1993
- Assessing the condition of a joint and assessing cartilage loss420US 7,184,814 B2The Board of Trustees of the Leland Stanford Junior University · 2007
- Method and system for patient-specific modeling of blood flow402US 8,315,812 B2HeartFlow, Inc. · 2012