G01R 33/3614
Rf power amplifiers
Official title: {RF power amplifiers}
G01R33/3614 (Rf power amplifiers) appears on 300 US grants and 323 published applications in this corpus.
Search patents in G01R- Granted patents
- 300
- Published applications
- 323
- Assignees
- 107
- Inventors
- 507
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 2 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 3 | 7 |
| 2006 | 2 | 0 |
| 2007 | 1 | 5 |
| 2008 | 4 | 3 |
| 2009 | 7 | 3 |
| 2010 | 2 | 6 |
| 2011 | 3 | 6 |
| 2012 | 2 | 7 |
| 2013 | 6 | 14 |
| 2014 | 4 | 15 |
| 2015 | 6 | 16 |
| 2016 | 9 | 32 |
| 2017 | 19 | 26 |
| 2018 | 26 | 28 |
| 2019 | 42 | 29 |
| 2020 | 43 | 26 |
| 2021 | 24 | 25 |
| 2022 | 20 | 18 |
| 2023 | 21 | 13 |
| 2024 | 7 | 16 |
| 2025 | 16 | 16 |
| 2026 | 9 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Magnetic resonance system and power supply device for magnetic resonance system8 Sep 2026US 12,730,166 B2GE Precision Healthcare LLC
- Built-in coil current sensing for 1H/23NA MRI1 Sep 2026US 12,724,094 B2Imam Abdulrahman Bin Faisal University
- MRI apparatus and RF amplifier11 Aug 2026US 12,704,569 B2Canon Kabushiki Kaisha
- Radio frequency (RF) assembly with planar resonator11 Aug 2026US 12,704,570 B2Koninklijke Philips N. V.
- Method for transmitting radio frequency signals to an MRI RF coil14 Jul 2026US 12,681,112 B2Imam Abdulrahman Bin Faisal University
- Magnetic resonance imaging apparatus and amplifier apparatus27 Aug 2026US 2026/0251738 A1Canon Medical Systems Corporation
- Inductive array, oscillator assembly, device, and method for generating and/or detecting a magnetization of a sample13 Aug 2026US 2026/0235540 A1
- Signal transmission circuit, optical communication module, and system for magnetic resonance imaging30 Jul 2026US 2026/0219341 A1GE Precision Healthcare LLC
- Gradient magnetic field power supply apparatus and gradient magnetic field power supply control method11 Jun 2026US 2026/0160839 A1Canon Medical Systems Corporation
- Radio frequency antenna system4 Jun 2026US 2026/0153579 A1Koninklijke Philips N. V.
Most cited
By later US patents
- Low field magnetic resonance imaging methods and apparatus120US 9,817,093 B2Hyperfine Research, Inc. · 2017
- Ferromagnetic augmentation for magnetic resonance imaging119US 9,625,544 B2Hyperfine Research, Inc. · 2017
- Methods and apparatus for thermal management of an MRI component by reducing eddy currents118US 9,645,210 B2Hyperfine Research, Inc. · 2017
- Low field magnetic resonance imaging methods and apparatus114US 9,541,616 B2Hyperfine Research, Inc. · 2017
- Noise suppression methods and apparatus114US 9,547,057 B2Hyperfine Research, Inc. · 2017