Magnetic resonance imaging
US-2017371001-A1 · Dec 28, 2017 · US
using electromagnets
using electromagnets · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01R33/381 |
| Official title | using electromagnets |
| Display label | using electromagnets |
| Total patents | 296 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 29 |
| 2017 | 26 |
| 2018 | 25 |
| 2019 | 33 |
| 2020 | 40 |
| 2021 | 29 |
| 2022 | 38 |
| 2023 | 24 |
| 2024 | 17 |
| 2025 | 19 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Low field magnetic resonance imaging methods and apparatus
US-9817093-B2 · Nov 14, 2017 · US
Noise suppression methods and apparatus
US-9797971-B2 · Oct 24, 2017 · US
Mobile X-ray imaging system
US-9737273-B2 · Aug 22, 2017 · US
Apparatus and method for rapid and comfortable magnetic imaging of breast tissues, with cultural sensitivity
US-2017234946-A1 · Aug 17, 2017 · US
Ferromagnetic augmentation for magnetic resonance imaging
US-2017227616-A1 · Aug 10, 2017 · US
Active coil to shift a volume of uniform magnetic field
US-2017219669-A1 · Aug 3, 2017 · US
System for delivering conformal radiation therapy while simultaneously imaging soft tissue
US-2017203126-A1 · Jul 20, 2017 · US
Ferromagnetic augmentation for magnetic resonance imaging
US-9638773-B2 · May 2, 2017 · US
Ferromagnetic augmentation for magnetic resonance imaging
US-9625544-B2 · Apr 18, 2017 · US
Noise suppression methods and apparatus
US-9625543-B2 · Apr 18, 2017 · US
Noise suppression methods and apparatus
US-2017102443-A1 · Apr 13, 2017 · US
Electric coil, apparatus having at least two subcoils and manufacturing method therefor
US-2017084371-A1 · Mar 23, 2017 · US
Arrangement to generate the basic magnetic field and a gradient magnetic field of a magnetic resonance tomography system, and method to operate a magnetic resonance tomography system
US-9581666-B2 · Feb 28, 2017 · US
System for delivering conformal radiation therapy while simultaneously imaging soft tissue
US-9572999-B2 · Feb 21, 2017 · US
Low field magnetic resonance imaging methods and apparatus
US-9541616-B2 · Jan 10, 2017 · US
System and method for imaging free radicals
US-2017000377-A1 · Jan 5, 2017 · US
Adaptive electromagnet for high performance magnetic resonance imaging
US-9523751-B2 · Dec 20, 2016 · US
Arrangement of coils for MRI apparatus
US-9513353-B2 · Dec 6, 2016 · US
Magnetic resonance imaging apparatus and reconstructed image acquisition method
US-9513356-B2 · Dec 6, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01R33/381?
- CPC G01R33/381 is the Cooperative Patent Classification code for “using electromagnets.”
- How many patents are filed under CPC G01R33/381 (using electromagnets)?
- Our database includes 296 publications tagged with this CPC code.
- Is patent activity under CPC G01R33/381 growing?
- Publication counts under this code: 17 in 2024 vs 19 in 2025 (latest complete years).