H03H 17/0054
Attenuators
Official title: {Attenuators}
H03H17/0054 (Attenuators) appears on 23 US grants and 19 published applications in this corpus.
Search patents in H03H- Granted patents
- 23
- Published applications
- 19
- Assignees
- 15
- Inventors
- 45
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 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 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 0 |
| 2019 | 0 | 4 |
| 2020 | 2 | 1 |
| 2021 | 2 | 2 |
| 2022 | 0 | 2 |
| 2023 | 3 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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.
- Multi-level digital step attenuator and digital step attenuation device12 May 2026US 12,627,281 B2Mediatek Inc.
- Low loss reflective passive phase shifter using time delay element with double resolution31 Dec 2024US 12,184,255 B2Murata Manufacturing Co., Ltd.
- Method and apparatus for reduced size RF filter16 Apr 2024US 11,962,339 B2Samsung Electronics Co., Ltd.
- Low loss reflective passive phase shifter using time delay element with double resolution25 Jul 2023US 11,711,068 B2pSemi Corporation
- Multi-level digital step attenuator and digital step attenuation device20 Aug 2026US 2026/0246452 A1Mediatek Inc.
- Reconfigurable monolithically integrated phase-change attenuator and methods thereof14 Aug 2025US 2025/0260391 A1
- Low loss reflective passive phase shifter using time delay element with double resolution17 Apr 2025US 2025/0125790 A1Murata Manufacturing Co., Ltd.
- 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.
- Multi-level digital step attenuator and digital step attenuation device18 Jul 2024US 2024/0243732 A1Mediatek Inc.
Most cited
By later US patents
- Systems, devices and methods related to radio-frequency step attenuators26US 9,473,194 B2Skywoods Solutions, Inc. · 2016
- Digital attenuator17US 4,004,140 ANippon Telegraph & Telephone Public Corporation · 1977
- Method and apparatus for digital attenuation by pattern shifting9US 4,118,785 ANippon Telegraph & Telephone Public Corporation · 1978
- Incrementally adjustable digital attenuator/amplifier6US 4,021,652 ANorthern Electric Company Limited · 1977
- Digital attenuator for compressed PCM signals5US 4,181,970 ANippon Telegraph & Telephone Public Corporation · 1980