G01R 25/02
In circuits having distributed constants
Official title: in circuits having distributed constants
G01R25/02 (In circuits having distributed constants) appears on 36 US grants and 38 published applications in this corpus.
Search patents in G01R- Granted patents
- 36
- Published applications
- 38
- Assignees
- 41
- Inventors
- 89
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 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 | 0 |
| 2006 | 1 | 2 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 2 |
| 2010 | 1 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 2 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 4 | 4 |
| 2020 | 3 | 6 |
| 2021 | 3 | 0 |
| 2022 | 1 | 5 |
| 2023 | 1 | 2 |
| 2024 | 3 | 5 |
| 2025 | 5 | 5 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods and apparatus for processing a substrate18 Nov 2025US 12,476,081 B2APPLIED Materials.Inc.
- Electronic circuit for delivering signals in quadrature11 Nov 2025US 12,470,447 B2STMicroelectronics France
- Phasor measurement units, synchrophasor systems and methods thereof26 Aug 2025US 12,399,520 B2Ei Electronics LLC
- Electronic circuitry, system, base station, mobile device and method22 Jul 2025US 12,368,519 B2Intel Corporation
- Method and device for detecting the phase of a signal via a hybrid coupler, using a reference phase8 Apr 2025US 12,270,842 B2Centre National De La Recherche Scientifique
- Phasor measurement units, synchrophasor systems and methods thereof20 Nov 2025US 2025/0355455 A1
- Phase detection26 Jun 2025US 2025/0208179 A1Centre National De La Recherche Scientifique
- Method for measuring the phase of a complex impedance12 Jun 2025US 2025/0189566 A1
- Measuring the phase of a complex impedance through thresholding12 Jun 2025US 2025/0189567 A1
- Active directional structure for a test and/or measurement system5 Jun 2025US 2025/0180630 A1Rohde & Schwarz GmbH & Co.KG
Most cited
By later US patents
- Pulse width measurement technique65US 5,122,978 AAmdahl Corporation · 1992
- High speed phase frequency detector39US 7,940,088 B1PMC-Sierra, Inc. · 2011
- Clock skew measurement technique30US 5,003,256 AAmdahl Corporation · 1991
- Electronic phase comparison apparatus for the remote measurement of layer thickness25US 4,075,555 ACanadian Patents and Development Limited · 1978
- Method for removing phase instabilities caused by flexure of cables in microwave network analyzer measurements17US 4,839,578 AEIP Microwave, Inc. · 1989