G01R 27/00
Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
G01R27/00 (Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom) appears on 6,789 US grants and 5,926 published applications in this corpus.
Search patents in G01R- Granted patents
- 6,789
- Published applications
- 5,926
- Assignees
- 2,919
- Inventors
- 13,181
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 89 | 0 |
| 1977 | 68 | 0 |
| 1978 | 82 | 0 |
| 1979 | 47 | 0 |
| 1980 | 61 | 0 |
| 1981 | 73 | 0 |
| 1982 | 52 | 0 |
| 1983 | 40 | 0 |
| 1984 | 43 | 0 |
| 1985 | 50 | 0 |
| 1986 | 36 | 0 |
| 1987 | 61 | 0 |
| 1988 | 79 | 0 |
| 1989 | 102 | 0 |
| 1990 | 43 | 0 |
| 1991 | 52 | 0 |
| 1992 | 54 | 0 |
| 1993 | 41 | 0 |
| 1994 | 53 | 0 |
| 1995 | 63 | 0 |
| 1996 | 76 | 0 |
| 1997 | 43 | 0 |
| 1998 | 47 | 0 |
| 1999 | 47 | 0 |
| 2000 | 41 | 0 |
| 2001 | 76 | 22 |
| 2002 | 70 | 75 |
| 2003 | 74 | 75 |
| 2004 | 98 | 95 |
| 2005 | 92 | 121 |
| 2006 | 135 | 90 |
| 2007 | 86 | 94 |
| 2008 | 64 | 131 |
| 2009 | 83 | 131 |
| 2010 | 96 | 113 |
| 2011 | 78 | 174 |
| 2012 | 92 | 165 |
| 2013 | 149 | 293 |
| 2014 | 198 | 377 |
| 2015 | 259 | 379 |
| 2016 | 356 | 274 |
| 2017 | 376 | 314 |
| 2018 | 355 | 341 |
| 2019 | 369 | 382 |
| 2020 | 398 | 371 |
| 2021 | 359 | 356 |
| 2022 | 325 | 348 |
| 2023 | 348 | 338 |
| 2024 | 306 | 334 |
| 2025 | 332 | 348 |
| 2026 | 172 | 185 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device and method for calibrating temperature related scattering matrix of temperature sensitive device6 Oct 2026US 12,754,080 B2Mediatek Inc.
- Line sensor comprising a capacitive divider with integrated slot antenna6 Oct 2026US 12,754,212 B2Comrod AS
- Circuit for operating a capacitive sensor and sensor apparatus6 Oct 2026US 12,754,221 B2Robert Bosch GmbH
- Sensor controller, electronic device, and control method of sensor controller6 Oct 2026US 12,754,634 B2Wacom Co., Ltd.
- Phase discriminator for reflected waves and operating method thereof29 Sep 2026US 12,748,138 B2Electronics and Telecommunications Research Institute
- Test and/or measurement system8 Oct 2026US 2026/0309826 A1
- Measuring device for capacitance of semiconductor device and measurement jig1 Oct 2026US 2026/0298991 A1Mitsubishi Electric Corporation
- Crosstalk tolerant lrrm auto-load inductance calibration1 Oct 2026US 2026/0299072 A1Qorvo US, Inc.
- Method and system for adaptively obtaining a corrected apparent impedance1 Oct 2026US 2026/0302776 A1Hitachi Energy Ltd
- Systems and methods for utilizing two-dimensional displacement for inductive sensing24 Sep 2026US 2026/0287397 A1Cirrus Logic International Semiconductor Ltd.
Most cited
By later US patents
- Time domain capacitive field detector800US 5,730,165 A1998
- Method and apparatus for adjusting a field of a signal to mitigate interference470US 9,847,566 B2AT&T Intellectual Property I, L. P. · 2017
- Capacitive field sensor with sigma-delta modulator414US 8,089,289 B1Cypress Semiconductor Corporation · 2012
- Liquid conductivity measuring system and sample cards therefor394US 4,301,412 AUnited States Surgical Corporation · 1981
- Level sensing372US 6,457,355 B12002