G01R 21/12
In circuits having distributed constants
Official title: in circuits having distributed constants
G01R21/12 (In circuits having distributed constants) appears on 72 US grants and 60 published applications in this corpus.
Search patents in G01R- Granted patents
- 72
- Published applications
- 60
- Assignees
- 57
- Inventors
- 128
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 5 | 1 |
| 2002 | 1 | 2 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 2 | 2 |
| 2006 | 2 | 0 |
| 2007 | 2 | 2 |
| 2008 | 1 | 6 |
| 2009 | 3 | 3 |
| 2010 | 3 | 2 |
| 2011 | 3 | 4 |
| 2012 | 1 | 3 |
| 2013 | 5 | 5 |
| 2014 | 2 | 4 |
| 2015 | 3 | 1 |
| 2016 | 3 | 2 |
| 2017 | 5 | 5 |
| 2018 | 4 | 5 |
| 2019 | 4 | 3 |
| 2020 | 6 | 3 |
| 2021 | 2 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power detector16 Jun 2026US 12,656,378 B2STMicroelectronics International N. V.
- RF/mm-wave peak detector with high-dynamic range calibration11 Jun 2024US 12,007,501 B2Texas Instruments Incorporated
- Apparatus for monitoring pulsed high-frequency power and substrate processing apparatus including the same3 Jan 2023US 11,545,340 B2Semes Co., Ltd.
- Thru-line directional power sensor having microstrip coupler16 Aug 2022US 11,415,605 B2Bird Technologies Group Inc.
- RF/mm-wave peak detector with high-dynamic range calibration22 Feb 2022US 11,255,949 B2Texas Instruments Incorporated
- High dynamic range rf power detector30 Jul 2026US 2026/0222089 A1ViaSat, Inc.
- Power detector4 Jul 2024US 2024/0219439 A1STMicroelectronics International N. V.
- Rf detector and high-frequency module including the same1 Jun 2023US 2023/0168287 A1Yokowo Co., Ltd.
- RF/mm-Wave Peak Detector with High-Dynamic Range Calibration5 May 2022US 2022/0137183 A1Texas Instruments Incorporated
- Apparatus for monitoring pulsed high-frequency power and substrate processing apparatus including the same18 Feb 2021US 2021/0050184 A1Semes Co., Ltd.
Most cited
By later US patents
- Near field probe62US 6,940,264 B2The United States of America as represented by the Secretary of the Navy · 2005
- Microwave directional coupler and detector module45US 4,211,911 AGeneral Electric Company · 1980
- Circuit for measuring the output power from an amplifier35US 5,434,537 ANokia Mobile Phones Ltd. · 1995
- Method and apparatus for measuring true transmitted power using a broadband dual directional coupler29US 6,600,307 B2Sarnoff Corporation · 2003
- Dual mode diode power sensor with square law and linear operating regions27US 6,291,984 B1Anritsu Corporation · 2001