G01R 33/345
Of waveguide type
Official title: of waveguide type (G01R33/343 takes precedence)
G01R33/345 (Of waveguide type) appears on 218 US grants and 201 published applications in this corpus.
Search patents in G01R- Granted patents
- 218
- Published applications
- 201
- Assignees
- 131
- Inventors
- 377
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 6 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 2 | 4 |
| 2003 | 3 | 4 |
| 2004 | 5 | 5 |
| 2005 | 5 | 2 |
| 2006 | 5 | 9 |
| 2007 | 4 | 16 |
| 2008 | 7 | 10 |
| 2009 | 11 | 10 |
| 2010 | 3 | 14 |
| 2011 | 12 | 9 |
| 2012 | 9 | 12 |
| 2013 | 8 | 9 |
| 2014 | 9 | 10 |
| 2015 | 3 | 12 |
| 2016 | 9 | 12 |
| 2017 | 11 | 4 |
| 2018 | 18 | 10 |
| 2019 | 11 | 9 |
| 2020 | 6 | 5 |
| 2021 | 9 | 10 |
| 2022 | 12 | 5 |
| 2023 | 3 | 6 |
| 2024 | 3 | 3 |
| 2025 | 3 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Shifting phase in a resonator device for magnetic resonance16 Jun 2026US 12,656,429 B2Quantum Valley Investment Fund LP
- Sensor element, test device and method for testing data carriers having a spin resonance feature10 Mar 2026US 12,573,254 B2Giesecke+Devrient Currency Technology GmbH
- Rotor cap removing tools, microwave guides, and methods13 Jan 2026US 12,523,722 B2The Florida State University Research Foundation, Inc.
- Multichannel radio frequency array for tracking a medical instrument6 Jan 2026US 12,517,199 B2Siemens Healthineers AG
- Magnetic sensor, detection unit, detection system, substrate for magnetic sensor, waveguide body for magnetic sensor, opto-electric hybrid substrate for magnetic sensor, and detection substrate for detection unit14 Oct 2025US 12,442,876 B2KYOCERA Corporation
- Dnp probe head for high resolution, liquid-state nmr9 Jul 2026US 2026/0194610 A1Bruker BioSpin GmbH
- Rotor Cap Removing Tools, Microwave Guides, and Methods18 Jun 2026US 2026/0169104 A1The Florida State University Research Foundation, Inc.
- Systems and methods for a 2d-material-based quantum sensor chip on a transparent material substrate with a constricted area23 Apr 2026US 2026/0110762 A1Toyota Jidosha Kabushiki Kaisha
- Electron Magnetic Resonance Sample Heating8 Jan 2026US 2026/0009872 A1Quantum Valley Investment Fund LP
- Sensor element, test device, and method for testing a data carrier having a spin resonance feature20 Nov 2025US 2025/0356715 A1Giesecke+Devrient Currency Technology GmbH
Most cited
By later US patents
- Multi-layer resonator for magnetic resonance applications with the resonator structure itself allowing equal magnitude current during active operation103US 7,579,836 B2Siemens Aktiengesellschaft · 2009
- Radio frequency volume coils for imaging and spectroscopy75US 5,557,247 AThe UAB Research Foundation · 1996
- System and method for control of RF circuits for use with an MRI system63US 9,500,727 B2Regents of the University of Minnesota · 2016
- RF coil for imaging system58US 6,633,161 B1The General Hospital Corporation · 2003
- Cavity resonator for magnetic resonance systems56US 7,659,719 B2MR Instruments, Inc. · 2010