H03F 1/12
By use of attenuating means
Official title: by use of attenuating means {(attenuators H03G)}
H03F1/12 (By use of attenuating means) appears on 38 US grants and 43 published applications in this corpus.
Search patents in H03F- Granted patents
- 38
- Published applications
- 43
- Assignees
- 36
- Inventors
- 76
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 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 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 1 |
| 2004 | 1 | 4 |
| 2005 | 2 | 1 |
| 2006 | 3 | 1 |
| 2007 | 1 | 4 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 2 | 1 |
| 2016 | 0 | 1 |
| 2017 | 3 | 2 |
| 2018 | 1 | 2 |
| 2019 | 4 | 5 |
| 2020 | 1 | 4 |
| 2021 | 4 | 3 |
| 2022 | 3 | 2 |
| 2023 | 2 | 3 |
| 2024 | 2 | 2 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Circuit for attenuating signal received through antenna to improve SNR, electronic device including the same, and method for controlling the same22 Sep 2026US 12,744,515 B2Samsung Electronics Co., Ltd.
- Amplifier circuit for buffering high slew rate signal17 Feb 2026US 12,556,143 B2Cirrus Logic, Inc.
- Gain-adjustable amplifier circuit9 Sep 2025US 12,413,195 B2RichWave Technology Corp.
- Amplifier circuit having adjustable gain8 Oct 2024US 12,113,495 B2RichWave Technology Corp.
- Half duplex amplifier9 Jan 2024US 11,870,403 B2ARRIS Enterprises LLC
- Device with a Signal Amplifier Integrated Into a Semiconductor Chip27 Aug 2026US 2026/0251697 A1TDK-Micronas GmbH
- Improving Linearity and Mitigating Process Variations for a Radio-frequency Power Detector5 Mar 2026US 2026/0063674 A1Apple Inc.
- Circuit for attenuating signal received through antenna to improve snr, electronic device including the same, and method for controlling the same27 Feb 2025US 2025/0070759 A1Samsung Electronics Co., Ltd.
- Amplifier circuit for buffering high slew rate signal18 Jul 2024US 2024/0243701 A1Cirrus Logic International Semiconductor Ltd.
- Half duplex amplifier16 May 2024US 2024/0162872 A1ARRIS Enterprises LLC
Most cited
By later US patents
- Radio-frequency transmitter and amplifier17US 8,515,364 B2Intel Corporation · 2013
- Low distortion radio frequency (RF) limiter11US 7,894,772 B2Axiom Microdevices, Inc. · 2011
- System and method for clamping a differential amplifier10US 7,368,991 B2Texas Instruments Incorporated · 2008
- Radio-frequency transmitter and amplifier10US 9,838,047 B2Intel IP Corporation · 2017
- Cavity resonators integrated on MMIC and oscillators incorporating the same7US 9,000,851 B1Hittite Microwave Corporation · 2015