H03H 19/002
N-path filters
Official title: {N-path filters}
H03H19/002 (N-path filters) appears on 110 US grants and 93 published applications in this corpus.
Search patents in H03H- Granted patents
- 110
- Published applications
- 93
- Assignees
- 69
- Inventors
- 160
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 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 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 0 | 13 |
| 2012 | 4 | 1 |
| 2013 | 9 | 6 |
| 2014 | 4 | 8 |
| 2015 | 12 | 3 |
| 2016 | 3 | 10 |
| 2017 | 7 | 5 |
| 2018 | 5 | 4 |
| 2019 | 8 | 5 |
| 2020 | 7 | 7 |
| 2021 | 9 | 9 |
| 2022 | 4 | 4 |
| 2023 | 5 | 4 |
| 2024 | 5 | 4 |
| 2025 | 3 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Energy efficient ultra-wideband impulse radio systems and methods8 Sep 2026US 12,732,226 B2Transfert Plus, Societe en Commandite
- NPF radiofrequency device11 Aug 2026US 12,706,604 B2Centre National De La Recherche Scientifique
- Bulk acoustic wave resonance device and bulk acoustic wave filter10 Mar 2026US 12,574,016 B2Changzhou Chemsemi Co., Ltd.
- Large programmable delay at high frequency through aliasing18 Nov 2025US 12,476,624 B1National Technology & Engineering Solutions of Sandia, LLC
- Band pass filter and sensor device including the same16 Sep 2025US 12,416,997 B2Samsung Display Co., Ltd.
- Apparatus and techniques for jammer signal filtering27 Aug 2026US 2026/0254440 A1QUALCOMM Incorporated
- Bandpass filter18 Jun 2026US 2026/0172004 A1Mitsubishi Electric Corporation
- NPF radiofrequency device3 Jul 2025US 2025/0219636 A1Centre National De La Recherche Scientifique
- Methods and arrangements for an n-path filter using a fourth order all pole driving point impedance27 Mar 2025US 2025/0105860 A1Intel Corporation
- Energy efficient ultra-wideband impulse radio systems and methods6 Mar 2025US 2025/0080162 A1Transfert Plus, Societe en Commandite
Most cited
By later US patents
- Switched capacitor n-path filter136US 4,446,438 AGTE Automatic Electric Inc. · 1984
- Switched-capacitor integrator with chopper stabilization performed at the sampling rate111US 5,477,481 ACrystal Semiconductor Corporation · 1995
- Multiple output allpass switched capacitor filters107US 4,716,388 A1987
- RF tuning circuit which provides image frequency rejection46US 4,696,055 AU. S. Philips Corporation · 1987
- Polar-based RF receiver27US 8,369,807 B2Broadcom Corporation · 2013