G01R 33/066
Field-effect magnetic sensors
Official title: {field-effect magnetic sensors, e.g. magnetic transistor}
G01R33/066 (Field-effect magnetic sensors) appears on 38 US grants and 39 published applications in this corpus.
Search patents in G01R- Granted patents
- 38
- Published applications
- 39
- Assignees
- 34
- Inventors
- 111
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 1 |
| 2015 | 3 | 3 |
| 2016 | 3 | 2 |
| 2017 | 2 | 5 |
| 2018 | 3 | 2 |
| 2019 | 4 | 3 |
| 2020 | 1 | 3 |
| 2021 | 6 | 1 |
| 2022 | 1 | 3 |
| 2023 | 2 | 2 |
| 2024 | 2 | 1 |
| 2025 | 1 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Current sensor built into switches25 Aug 2026US 12,716,918 B2Allegro MicroSystems, LLC
- Magnetoresistive relaxation oscillator type magnetometer11 Aug 2026US 12,704,566 B2MultiDimension Technology Co., Ltd.
- Apparatus and method for testing a cell contact of battery cells of a battery module25 Mar 2025US 12,259,442 B2Acculogic Corporation
- Micro-fluxgate sensor26 Nov 2024US 12,153,102 B2Ningbo Crrc Times Transducer Technology Co., Ltd.
- Silicon-based spin-qubit quantum magnetometer and radar system with all electrical control6 Feb 2024US 11,894,475 B2
- Quantum magnetometer30 Jul 2026US 2026/0219337 A1National Research Council of Canada
- Current sensor built into switches5 Mar 2026US 2026/0063680 A1Allegro MicroSystems, LLC
- Low-power magnetic sensing device and magnetic switch device comprising the magnetic sensing device31 Jul 2025US 2025/0247095 A1Allegro MicroSystems, LLC
- Flux detection circuit and method therein for sensing magnetic flux via a magnetic flux probe19 Jun 2025US 2025/0199092 A1Power Integrations, Inc.
- Apparatus and method for measuring viscosity6 Jun 2024US 2024/0183766 A1Quantum Biometronics Private Company
Most cited
By later US patents
- Integrable Hall element89US 4,829,352 ALGZ Landis & Gyr Zug AG · 1989
- Sensitive magnetotransistor magnetic field sensor56US 4,700,211 ALGZ Landis & Gyr Zug AG · 1987
- Hall effect device and method24US 7,782,050 B2Infineon Technologies AG · 2010
- Magnetic sensor having vertical hall device and method for manufacturing the same13US 7,253,490 B2Denso Corporation · 2007
- Angle sensor using eddy currents11US 11,112,230 B2Allegro MicroSystems, LLC · 2021