G01R 33/3657
Decoupling of multiple rf coils wherein the multiple rf coils do not
Official title: {Decoupling of multiple RF coils wherein the multiple RF coils do not have the same function in MR, e.g. decoupling of a transmission coil from a receive coil}
G01R33/3657 (Decoupling of multiple rf coils wherein the multiple rf coils do not) appears on 349 US grants and 324 published applications in this corpus.
Search patents in G01R- Granted patents
- 349
- Published applications
- 324
- Assignees
- 131
- Inventors
- 565
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 9 | 0 |
| 1989 | 8 | 0 |
| 1990 | 2 | 0 |
| 1991 | 5 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 5 | 1 |
| 2002 | 5 | 3 |
| 2003 | 4 | 6 |
| 2004 | 6 | 2 |
| 2005 | 2 | 6 |
| 2006 | 5 | 7 |
| 2007 | 5 | 14 |
| 2008 | 5 | 10 |
| 2009 | 8 | 13 |
| 2010 | 9 | 11 |
| 2011 | 15 | 10 |
| 2012 | 3 | 12 |
| 2013 | 11 | 16 |
| 2014 | 8 | 9 |
| 2015 | 3 | 13 |
| 2016 | 8 | 15 |
| 2017 | 16 | 20 |
| 2018 | 18 | 31 |
| 2019 | 29 | 31 |
| 2020 | 34 | 20 |
| 2021 | 27 | 25 |
| 2022 | 20 | 10 |
| 2023 | 14 | 10 |
| 2024 | 10 | 12 |
| 2025 | 8 | 12 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic resonance imaging apparatus18 Aug 2026US 12,710,494 B2FUJIFILM Corporation
- Electromagnetic shielding for magnetic resonance imaging methods and apparatus7 Jul 2026US 12,672,791 B2Hyperfine Operations, Inc.
- System and method for RF based frequency encoding using injection transformers for simultaneous transmit and receive26 May 2026US 12,638,531 B2Case Western Reserve University
- Hybrid coupler for magnetic resonance imaging12 May 2026US 12,625,204 B2Imam Abdulrahman Bin Faisal University
- Surface coils and magnetic resonance devices24 Mar 2026US 12,584,979 B2Shanghai United Imaging Healthcare Co., Ltd.
- Radio frequency receiver coil with electronic fuse10 Sep 2026US 2026/0266936 A1Koninklijke Philips N. V.
- Mems based electro-optical mri coil tuner16 Jul 2026US 2026/0202496 A1Bogazici Universitesi
- System and method for flexible, cuttable radio-frequency coils for a magnetic resonance imaging system30 Apr 2026US 2026/0118455 A1
- Hybrid coupler for magnetic resonance imaging5 Feb 2026US 2026/0036656 A1Imam Abdulrahman Bin Faisal University
- Conducting loop with inductive path for magnetic resonance imaging (mri) receive coil8 Jan 2026US 2026/0009873 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Method of internal magnetic resonance imaging and spectroscopic analysis and associated apparatus268US 5,699,801 AThe Johns Hopkins University · 1997
- Miniature magnetic resonance catheter coils and related methods234US 6,263,229 B1The Johns Hopkins University School of Medicine · 2001
- Biopsy and sampling needle antennas for magnetic resonance imaging-guided biopsies218US 7,236,816 B2The Johns Hopkins University · 2007
- Intracavity probe and interface device for MRI imaging and spectroscopy163US 5,476,095 AMedrad, Inc. · 1995
- Birdcage-like transmitting antenna for MRI135US 7,990,146 B2Siemens Aktiengesellschaft · 2011