G01R 33/3692
Involving signal transmission without using electrically conductive connections
Official title: {involving signal transmission without using electrically conductive connections, e.g. wireless communication or optical communication of the MR signal or an auxiliary signal other than the MR signal}
G01R33/3692 (Involving signal transmission without using electrically conductive connections) appears on 352 US grants and 417 published applications in this corpus.
Search patents in G01R- Granted patents
- 352
- Published applications
- 417
- Assignees
- 92
- Inventors
- 564
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 5 |
| 2004 | 2 | 3 |
| 2005 | 4 | 3 |
| 2006 | 2 | 10 |
| 2007 | 3 | 12 |
| 2008 | 8 | 14 |
| 2009 | 12 | 18 |
| 2010 | 14 | 29 |
| 2011 | 7 | 14 |
| 2012 | 17 | 20 |
| 2013 | 18 | 24 |
| 2014 | 14 | 32 |
| 2015 | 12 | 14 |
| 2016 | 15 | 16 |
| 2017 | 31 | 21 |
| 2018 | 17 | 18 |
| 2019 | 29 | 21 |
| 2020 | 23 | 28 |
| 2021 | 23 | 25 |
| 2022 | 28 | 23 |
| 2023 | 20 | 15 |
| 2024 | 20 | 21 |
| 2025 | 14 | 16 |
| 2026 | 10 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Radio frequency receiver array for magnetic resonance imaging6 Oct 2026US 12,754,265 B2Koninklijke Philips N. V.
- Coil, coil assembly and method22 Sep 2026US 12,742,840 B2Forschungszentrum Julich GmbH
- Patient table and magnetic resonance imaging apparatus22 Sep 2026US 12,742,842 B2FUJIFILM Corporation
- Magnetic resonance imaging apparatus18 Aug 2026US 12,710,492 B2Canon Kabushiki Kaisha
- Flexible magnetic resonance (MR) coil array using electrical zipper contacts21 Jul 2026US 12,687,596 B2Koninklijke Philips N. V.
- Patient table and magnetic resonance imaging apparatus1 Oct 2026US 2026/0299064 A1FUJIFILM Corporation
- Magnetic resonance receiver coil array with integrated ultrasound transducer27 Aug 2026US 2026/0251740 A1Koninklijke Philips N. V.
- Nuclear magnetic resonance sensing device and nuclear magnetic resonance sensing method13 Aug 2026US 2026/0235709 A1Kyoto University
- Local Coil with Hall Sensor and Magnetic Resonance Device30 Jul 2026US 2026/0219338 A1Siemens Healthineers AG
- Signal transmission circuit, optical communication module, and system for magnetic resonance imaging30 Jul 2026US 2026/0219341 A1GE Precision Healthcare LLC
Most cited
By later US patents
- Nuclear magnetic resonanace inspection apparatus and its method62US 5,384,536 AHitachi, Ltd. · 1995
- Optical control of radio frequency antennae in a magnetic resonance imaging system48US 6,144,205 AGeneral Electric Company · 2000
- Synchronization of wireless transmitted MRI signals in MRI system44US 7,123,009 B1The Board of Trustees of the Leland Stanford Junior University · 2006
- Magnetic resonance examination apparatus with wireless transmission of spin resonance signals from high frequency coil system processing unit43US 5,245,288 AU. S. Philips Corporation · 1993
- Optical MRI catheter system30US 6,925,322 B2Biophan Technologies, Inc. · 2005