H04B 1/163
Special arrangements for the reduction of the damping of resonant circuits of
Official title: {Special arrangements for the reduction of the damping of resonant circuits of receivers (amplifiers H03F; negative impedance networks for line transmission systems H04B3/16)}
H04B1/163 (Special arrangements for the reduction of the damping of resonant circuits of) appears on 33 US grants and 25 published applications in this corpus.
Search patents in H04B- Granted patents
- 33
- Published applications
- 25
- Assignees
- 31
- Inventors
- 64
- Latest grant
- 13 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 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 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 4 | 0 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 2 | 3 |
| 2019 | 4 | 1 |
| 2020 | 1 | 2 |
| 2021 | 3 | 1 |
| 2022 | 2 | 4 |
| 2023 | 3 | 4 |
| 2024 | 2 | 1 |
| 2025 | 2 | 0 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multiplexer, radio-frequency module, and communication apparatus13 Jan 2026US 12,525,998 B2Murata Manufacturing Co., Ltd.
- Transceiver11 Nov 2025US 12,470,247 B2Nokia Solutions and Networks Oy
- Super-regenerative receiver and correction method thereof24 Jun 2025US 12,341,547 B2The Swatch Group Research and Development Ltd
- Filters including bandpass filter transmission lines28 May 2024US 11,996,875 B2CommScope Italy S.r.l.
- Antenna switch circuit and method5 Mar 2024US 11,923,877 B2NXP B. V.
- Transceiver including programmable self-interference canceller for full-duplex and time division duplex modes17 Sep 2026US 2026/0280589 A1QUALCOMM Incorporated
- Enhancing receiver operation by modeling oscillator drift26 Feb 2026US 2026/0056328 A1Higher Ground LLC
- Power Spectral Density Power Detector12 Dec 2024US 2024/0413849 A1Murata Manufacturing Co., Ltd.
- Multiplexer, radio-frequency module, and communication apparatus10 Aug 2023US 2023/0253989 A1Murata Manufacturing Co., Ltd.
- Diplexer for Dual-band Wi-Fi Applications8 Jun 2023US 2023/0179232 A1RichWave Technology Corp.
Most cited
By later US patents
- Method for optimizing the bandwidth of a radio receiver106US 4,045,740 AThe United States of America as represented by the Secretary of the Army · 1977
- Radio receiver with masking of switchover noise25US 5,349,699 ABlaupunkt-Werke GmbH · 1994
- Feedback circuit for noiseless damping of the Q of an MRI receiver coil antenna24US 5,051,700 AKabushiki Kaisha Toshiba · 1991
- Optical transmission method and apparatus and optical amplification method and apparatus for optical communication system16US 5,729,372 AFujitsu Limited · 1998
- Optical transmission method and apparatus and optical amplification method and apparatus for optical communication system13US 5,539,566 AFujitsu Limited · 1996