G01R 29/08
Measuring electromagnetic field characteristics
G01R29/08 (Measuring electromagnetic field characteristics) appears on 2,651 US grants and 2,547 published applications in this corpus.
Search patents in G01R- Granted patents
- 2,651
- Published applications
- 2,547
- Assignees
- 1,303
- Inventors
- 5,914
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 7 | 0 |
| 1978 | 7 | 0 |
| 1979 | 4 | 0 |
| 1980 | 10 | 0 |
| 1981 | 19 | 0 |
| 1982 | 7 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 12 | 0 |
| 1986 | 13 | 0 |
| 1987 | 9 | 0 |
| 1988 | 6 | 0 |
| 1989 | 24 | 0 |
| 1990 | 21 | 0 |
| 1991 | 16 | 0 |
| 1992 | 21 | 0 |
| 1993 | 22 | 0 |
| 1994 | 23 | 0 |
| 1995 | 26 | 0 |
| 1996 | 27 | 0 |
| 1997 | 32 | 0 |
| 1998 | 31 | 0 |
| 1999 | 37 | 0 |
| 2000 | 35 | 0 |
| 2001 | 42 | 8 |
| 2002 | 25 | 26 |
| 2003 | 30 | 30 |
| 2004 | 34 | 27 |
| 2005 | 27 | 23 |
| 2006 | 22 | 48 |
| 2007 | 27 | 43 |
| 2008 | 25 | 47 |
| 2009 | 30 | 47 |
| 2010 | 41 | 68 |
| 2011 | 39 | 61 |
| 2012 | 55 | 58 |
| 2013 | 52 | 80 |
| 2014 | 57 | 101 |
| 2015 | 55 | 104 |
| 2016 | 91 | 102 |
| 2017 | 94 | 125 |
| 2018 | 121 | 150 |
| 2019 | 163 | 189 |
| 2020 | 207 | 202 |
| 2021 | 176 | 194 |
| 2022 | 167 | 159 |
| 2023 | 168 | 176 |
| 2024 | 183 | 164 |
| 2025 | 161 | 180 |
| 2026 | 131 | 135 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiplexed readout of quantum devices6 Oct 2026US 12,754,222 B2Fermi Forward Discovery Group, LLC
- Apparatus and method for controlling electromagnetic waves in electromagnetic waves measurement device6 Oct 2026US 12,754,223 B2Electronics and Telecommunications Research Institute
- System and method for measurement of radio frequency signal pattern using plane wave22 Sep 2026US 12,742,807 B2Yttek Technology Corp.
- Estimating UE orientation based on antenna phase center (APC) information22 Sep 2026US 12,742,874 B2QUALCOMM Incorporated
- Millimeter wave structure including a shielded substrate having a metal sheet therein and usable in a millimeter wave measurement module22 Sep 2026US 12,744,295 B2Universal Scientific Industrial (Shanghai) Co., Ltd.
- Apparatus and method for sensing rf signals from rf plasma processing equipment8 Oct 2026US 2026/0309628 A1APPLIED Materials.Inc.
- Determining the Phases of Radio Frequency Fields Using Interferometric Loops8 Oct 2026US 2026/0309760 A1Quantum Valley Ideas Laboratories
- Apparatus and methods for testing computing device wireless functionality8 Oct 2026US 2026/0309761 A1Communications Test Design, Inc.
- Power variability compensation method in gesture detection schemes1 Oct 2026US 2026/0298992 A1Amazon Technologies, Inc.
- Test device1 Oct 2026US 2026/0298993 A1Leeno Industrial Inc.
Most cited
By later US patents
- Interference detector for patient monitor834US 8,471,713 B2Cercacor Laboratories, Inc. · 2013
- Time domain capacitive field detector800US 5,730,165 A1998
- Interference detector for patient monitor601US 8,754,776 B2Cercacor Laboratories, Inc. · 2014
- Magnetic coupling device and methods for use therewith475US 9,793,954 B2AT&T Intellectual Property I, L. P. · 2017
- Electromagnetic noise detector for implantable medical devices409US 5,697,958 AIntermedics, Inc. · 1997