G01R 27/32
In circuits having distributed constants
Official title: in circuits having distributed constants {, e.g. having very long conductors or involving high frequencies}
G01R27/32 (In circuits having distributed constants) appears on 416 US grants and 337 published applications in this corpus.
Search patents in G01R- Granted patents
- 416
- Published applications
- 337
- Assignees
- 205
- Inventors
- 729
- Latest grant
- 6 Oct 2026
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 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 2 |
| 2003 | 4 | 3 |
| 2004 | 4 | 9 |
| 2005 | 6 | 11 |
| 2006 | 12 | 4 |
| 2007 | 5 | 8 |
| 2008 | 6 | 15 |
| 2009 | 6 | 14 |
| 2010 | 11 | 8 |
| 2011 | 15 | 13 |
| 2012 | 7 | 13 |
| 2013 | 16 | 13 |
| 2014 | 16 | 15 |
| 2015 | 14 | 19 |
| 2016 | 13 | 13 |
| 2017 | 20 | 16 |
| 2018 | 16 | 16 |
| 2019 | 31 | 23 |
| 2020 | 27 | 15 |
| 2021 | 37 | 17 |
| 2022 | 19 | 32 |
| 2023 | 25 | 13 |
| 2024 | 25 | 20 |
| 2025 | 21 | 18 |
| 2026 | 16 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electronic device and method for calibrating temperature related scattering matrix of temperature sensitive device6 Oct 2026US 12,754,080 B2Mediatek Inc.
- Mixed mode hybrid harmonic load pull system4 Aug 2026US 12,699,127 B1
- Synthetic load pull tuning probe and methods4 Aug 2026US 12,699,157 B1
- Tri-state tuning probe with single control2 Jun 2026US 12,646,815 B1
- Methods and apparatus for in-situ measurement of mutual inductance between embedded interconnects12 May 2026US 12,625,173 B2The Boeing Company
- Test and/or measurement system8 Oct 2026US 2026/0309826 A1
- Millimeter-wave vector network analyzer17 Sep 2026US 2026/0276674 A1Ohio State Innovation Foundation
- Tunable impedance matching methods and circuits for protection against side-channel attacks27 Aug 2026US 2026/0254432 A1APPLIED Materials.Inc.
- Method and system of determining linearity of a power amplifier module in load pull measurements2 Jul 2026US 2026/0186038 A1The Education University of Hong Kong
- Test and/or measurement system26 Mar 2026US 2026/0086140 A1Rohde & Schwarz GmbH & Co.KG
Most cited
By later US patents
- Method and apparatus for adjusting a field of a signal to mitigate interference470US 9,847,566 B2AT&T Intellectual Property I, L. P. · 2017
- Methods for the measurement of the frequency dependent complex propagation matrix, impedance matrix and admittance matrix of coupled transmission lines166US 5,502,392 AInternational Business Machines Corporation · 1996
- Vector network measurement system145US 6,529,844 B1Anritsu Corporation · 2003
- Method for de-embedding device measurements129US 8,566,058 B2Teledyne LeCroy, Inc. · 2013
- Calibration for vector network analyzer96US 6,701,265 B2Tektronix, Inc. · 2004