G01R 33/3628
Tuning/matching of the transmit/receive coil
Official title: {Tuning/matching of the transmit/receive coil}
G01R33/3628 (Tuning/matching of the transmit/receive coil) appears on 817 US grants and 656 published applications in this corpus.
Search patents in G01R- Granted patents
- 817
- Published applications
- 656
- Assignees
- 286
- Inventors
- 1,317
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 9 | 0 |
| 1987 | 21 | 0 |
| 1988 | 29 | 0 |
| 1989 | 23 | 0 |
| 1990 | 14 | 0 |
| 1991 | 13 | 0 |
| 1992 | 16 | 0 |
| 1993 | 13 | 0 |
| 1994 | 16 | 0 |
| 1995 | 11 | 0 |
| 1996 | 18 | 0 |
| 1997 | 12 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 2 |
| 2002 | 9 | 9 |
| 2003 | 9 | 10 |
| 2004 | 11 | 16 |
| 2005 | 8 | 15 |
| 2006 | 21 | 21 |
| 2007 | 13 | 24 |
| 2008 | 17 | 30 |
| 2009 | 19 | 24 |
| 2010 | 17 | 24 |
| 2011 | 17 | 18 |
| 2012 | 17 | 24 |
| 2013 | 13 | 21 |
| 2014 | 15 | 34 |
| 2015 | 10 | 25 |
| 2016 | 18 | 23 |
| 2017 | 33 | 25 |
| 2018 | 25 | 43 |
| 2019 | 48 | 46 |
| 2020 | 54 | 47 |
| 2021 | 50 | 38 |
| 2022 | 49 | 34 |
| 2023 | 35 | 34 |
| 2024 | 18 | 29 |
| 2025 | 22 | 24 |
| 2026 | 23 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Magnetic field enhancement assembly and magnetic field enhancement device29 Sep 2026US 12,748,167 B2Beijing Tsinghua Changgung Hospital
- Multi-core integrated magnetic resonance imaging system with distributed, parallel, and scalable architecture15 Sep 2026US 12,736,600 B2Harbin Medical University
- Buried utility locator auto-tuning apparatus and methods8 Sep 2026US 12,730,167 B1Seescan, Inc.
- Built-in coil current sensing for 1H/23NA MRI1 Sep 2026US 12,724,094 B2Imam Abdulrahman Bin Faisal University
- Magnetic resonance imaging apparatus18 Aug 2026US 12,710,494 B2FUJIFILM Corporation
- Nmr-mas probe with inductively coupled sample coil and nmr-mas apparatus17 Sep 2026US 2026/0276761 A1Bruker BioSpin GmbH
- Mri rf coil comprising a multi-element channel structure and method for using the same17 Sep 2026US 2026/0276762 A1Quality Electrodynamics, LLC
- Mri current sensing system3 Sep 2026US 2026/0259286 A1Imam Abdulrahman Bin Faisal University
- Dual resonator structure for nuclear magnetic resonance (nmr) spectroscopy3 Sep 2026US 2026/0259287 A1Phoenix NMR
- Radio frequency receiver, magnetic imaging system and method13 Aug 2026US 2026/0238243 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Methods for in vivo magnetic resonance imaging462US 6,549,800 B1Johns Hopkins Unversity School of Medicine · 2003
- Biopsy and sampling needle antennas for magnetic resonance imaging-guided biopsies218US 7,236,816 B2The Johns Hopkins University · 2007
- Tuning low-inductance coils at low frequencies217US 8,115,488 B2ABQMR, Inc. · 2012
- Insertable NMR coil probe178US 5,170,789 A1992
- Breast coil for magnetic resonance imaging135US 5,363,845 AMedical Advances, Inc. · 1994