H03H 7/07
Bridged t-filters
Official title: Bridged T-filters
H03H7/07 (Bridged t-filters) appears on 31 US grants and 19 published applications in this corpus.
Search patents in H03H- Granted patents
- 31
- Published applications
- 19
- Assignees
- 29
- Inventors
- 63
- Latest grant
- 30 Jan 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 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 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 2 |
| 2019 | 3 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Filter and multiplexer30 Jan 2024US 11,888,458 B2Taiyo Yuden Co., Ltd.
- Radio frequency filter, multiplexer, radio frequency front end circuit, and communication apparatus17 May 2022US 11,336,252 B2Murata Manufacturing Co., Ltd.
- Filter circuit and amplifier circuit31 Aug 2021US 11,108,370 B2Kabushiki Kaisha Toshiba
- Techniques for programmable gain attenuation in wideband matching networks with enhanced bandwidth8 Dec 2020US 10,862,521 B1Inphi Corporation
- Digital switched attenuator12 May 2020US 10,651,816 B2Skyworks Solutions, Inc.
- Filter and multiplexer20 Aug 2026US 2026/0246441 A1Anhui Yunta Electronic Technologies Co., Ltd.
- Reconfigurable monolithically integrated phase-change attenuator and methods thereof14 Aug 2025US 2025/0260391 A1
- Doherty amplifier16 Feb 2023US 2023/0048682 A1Mitsubishi Electric Corporation
- Filter and multiplexer29 Dec 2022US 2022/0416763 A1Taiyo Yuden Co., Ltd.
- Radio frequency filter, multiplexer, radio frequency front end circuit, and communication apparatus8 Apr 2021US 2021/0104996 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Harmonic and subharmonic filter31US 5,187,457 AENI Div. of Astec America, Inc. · 1993
- PWM loop filter with minimum aliasing error21US 7,750,731 B2Texas Instruments Incorporated · 2010
- Adaptive tracking notch filter system18US 5,331,299 AMassachusetts Institute of Technology · 1994
- Techniques for programmable gain attenuation in wideband matching networks with enhanced bandwidth8US 10,862,521 B1Inphi Corporation · 2020
- Low phase variation CMOS digital attenuator8US 8,779,870 B2International Business Machines Corporation · 2014