G01R 31/001
Measuring interference from external sources to, or emission from, the device under
Official title: {Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing (measuring electromagnetic fields G01R29/08; circuits for generating HV pulses in dielectric strength testing G01R31/14)}
G01R31/001 (Measuring interference from external sources to, or emission from, the device under) appears on 787 US grants and 787 published applications in this corpus.
Search patents in G01R- Granted patents
- 787
- Published applications
- 787
- Assignees
- 483
- Inventors
- 1,900
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 7 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 18 | 0 |
| 2001 | 16 | 3 |
| 2002 | 19 | 17 |
| 2003 | 15 | 15 |
| 2004 | 10 | 7 |
| 2005 | 10 | 15 |
| 2006 | 13 | 23 |
| 2007 | 11 | 20 |
| 2008 | 20 | 20 |
| 2009 | 17 | 29 |
| 2010 | 13 | 36 |
| 2011 | 25 | 18 |
| 2012 | 21 | 28 |
| 2013 | 22 | 47 |
| 2014 | 22 | 51 |
| 2015 | 28 | 46 |
| 2016 | 45 | 25 |
| 2017 | 36 | 37 |
| 2018 | 36 | 35 |
| 2019 | 44 | 60 |
| 2020 | 57 | 42 |
| 2021 | 41 | 43 |
| 2022 | 43 | 46 |
| 2023 | 37 | 38 |
| 2024 | 37 | 29 |
| 2025 | 32 | 45 |
| 2026 | 19 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Plug-type electric discharge detection unit and electric discharge detection system22 Sep 2026US 12,742,808 B2Nitto Kogyo Co., Ltd.
- Appliance with modular full-bridge driver and DC source22 Sep 2026US 12,744,451 B1Impulse Labs, Inc.
- Electronic devices with electromagnetic interference correction15 Sep 2026US 12,736,574 B2Apple Inc.
- Apparatus and methods for testing computing device wireless functionality1 Sep 2026US 12,724,057 B2Communications Test Design, Inc.
- Test and/or measurement device with noise figure functionality, and corresponding method25 Aug 2026US 12,716,935 B2Rohde & Schwarz GmbH & Co.KG
- Apparatus and methods for testing computing device wireless functionality8 Oct 2026US 2026/0309761 A1Communications Test Design, Inc.
- Digital sensor for detecting electromagnetic fault injection1 Oct 2026US 2026/0298994 A1Mediatek Inc.
- Detection of electric discharges that precede fires in electrical wiring24 Sep 2026US 2026/0287629 A1Whisker Labs, Inc.
- Apparatus and method for electromagnetic side-channel leakage localization on processors24 Sep 2026US 2026/0287631 A1Agency for Defense Development
- Esd (electrostatic discharge) verification for large io (input/output) arrays25 Jun 2026US 2026/0177611 A1Intel Corporation
Most cited
By later US patents
- Electrostatic discharge locating apparatus and method71US 6,064,340 AIntersil Corporation · 2000
- Electro-optic interface system and method of operation70US 6,446,867 B12002
- Method and apparatus for monitoring electromagnetic emission levels62US 5,006,788 ANorthern Telecom Limited · 1991
- Probe station having inner and outer shielding61US 6,002,263 ACascade Microtech, Inc. · 1999
- Automated EMC-driven layout and floor planning of electronic devices and systems59US 6,834,380 B2QUALCOMM Incorporated · 2004