G01R 33/50
Based on the determination of relaxation times
Official title: based on the determination of relaxation times {, e.g. T1 measurement by IR sequences; T2 measurement by multiple-echo sequences}
G01R33/50 (Based on the determination of relaxation times) appears on 861 US grants and 956 published applications in this corpus.
Search patents in G01R- Granted patents
- 861
- Published applications
- 956
- Assignees
- 347
- Inventors
- 1,640
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 6 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 3 |
| 2002 | 6 | 7 |
| 2003 | 6 | 14 |
| 2004 | 9 | 8 |
| 2005 | 4 | 8 |
| 2006 | 4 | 9 |
| 2007 | 11 | 10 |
| 2008 | 5 | 13 |
| 2009 | 8 | 23 |
| 2010 | 12 | 29 |
| 2011 | 13 | 23 |
| 2012 | 16 | 30 |
| 2013 | 18 | 26 |
| 2014 | 18 | 33 |
| 2015 | 18 | 56 |
| 2016 | 20 | 67 |
| 2017 | 31 | 75 |
| 2018 | 61 | 79 |
| 2019 | 105 | 70 |
| 2020 | 102 | 68 |
| 2021 | 70 | 67 |
| 2022 | 62 | 62 |
| 2023 | 49 | 63 |
| 2024 | 52 | 48 |
| 2025 | 54 | 40 |
| 2026 | 31 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Implantable array with a reference structure and a method of imaging the same15 Sep 2026US 12,736,599 B2Cortec Corporation
- Systems, devices and methods for imaging cortical and trabecular bone1 Sep 2026US 12,724,097 B2The Regents of the University of California
- System and method for determining a cardiomyocyte manganese ion uptake rate constant to indicate a t-tubule density1 Oct 2026US 2026/0294248 A1Ic Targets AS
- Characterizing pore size distribution by integrating nmr and acoustic measurements17 Sep 2026US 2026/0276571 A1Schlumberger Technology Corporation
- System and method for magnetization prepared magnetic resonance imaging10 Sep 2026US 2026/0266938 A1Beth Israel Deaconess Medical Center, Inc.
- Techniques for predicting co2 saturation in formations based on nuclear magnetic resonance data3 Sep 2026US 2026/0259344 A1Schlumberger Technology Corporation
- System and method for measuring liquid permeability20 Aug 2026US 2026/0243648 A1
Most cited
By later US patents
- Assessing the condition of a joint and assessing cartilage loss420US 7,184,814 B2The Board of Trustees of the Leland Stanford Junior University · 2007
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- NMR imaging of materials350US 4,728,892 AShell Oil Company · 1988
- Synthetic images for a magnetic resonance imaging scanner using linear combination of source images to generate contrast and spatial navigation109US 6,823,205 B1Boston University Radiology Associates · 2004
- Nuclear magnetic resonance (NMR) fingerprinting86US 8,723,518 B22014