H03H 9/6496
Reducing ripple in transfer characteristic
Official title: {Reducing ripple in transfer characteristic}
H03H9/6496 (Reducing ripple in transfer characteristic) appears on 91 US grants and 91 published applications in this corpus.
Search patents in H03H- Granted patents
- 91
- Published applications
- 91
- Assignees
- 33
- Inventors
- 162
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 3 |
| 2005 | 2 | 2 |
| 2006 | 3 | 2 |
| 2007 | 0 | 3 |
| 2008 | 1 | 2 |
| 2009 | 5 | 1 |
| 2010 | 3 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 3 |
| 2014 | 1 | 1 |
| 2015 | 3 | 1 |
| 2016 | 2 | 5 |
| 2017 | 2 | 4 |
| 2018 | 2 | 6 |
| 2019 | 8 | 11 |
| 2020 | 7 | 12 |
| 2021 | 4 | 10 |
| 2022 | 5 | 2 |
| 2023 | 10 | 5 |
| 2024 | 9 | 4 |
| 2025 | 4 | 6 |
| 2026 | 2 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Heterostructure and method of fabrication22 Sep 2026US 12,744,508 B2Soitec
- Radio frequency module and communication device5 May 2026US 12,620,973 B2Murata Manufacturing Co., Ltd.
- Composite filter device12 Aug 2025US 12,388,418 B2Murata Manufacturing Co., Ltd.
- Cascaded resonator having reflector electrodes with different pitches15 Apr 2025US 12,278,612 B2Skyworks Solutions, Inc.
- Surface elastic wave filter with resonant cavities18 Mar 2025US 12,255,634 B2Soitec
- Acoustic wave device, acoustic wave filter, and multiplexer1 Oct 2026US 2026/0303059 A1Murata Manufacturing Co., Ltd.
- Acoustic wave device and multiplexer20 Aug 2026US 2026/0246451 A1Murata Manufacturing Co., Ltd.
- Surface acoustic wave (saw) resonators with interdigitated transducer (idt) fingers having trapezoidal shaped portions and constant finger separation and related methods25 Jun 2026US 2026/0180549 A1RF360 Singapore Pte. Ltd.
- Double-Mode Surface-Acoustic-Wave (DMS) Filter with Apodization26 Mar 2026US 2026/0088801 A1RF360 Singapore Pte. Ltd.
- Optimization of suppression of transverse mode spurious signals in surface acoustic wave filters while maintaining filter insertion loss4 Sep 2025US 2025/0279765 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Filter devices having reduced spurious emissions from lamb waves170US 10,187,039 B2Skyworks Filter Solutions Japan Co., Ltd. · 2019
- Multiplexer, radio-frequency front-end circuit, and communication device162US 10,644,674 B2Murata Manufacturing Co., Ltd. · 2020
- SAW filter operable in a piston mode91US 7,576,471 B1TriQuint Semiconductor, Inc. · 2009
- Surface acoustic wave filter28US 4,028,649 ASony Corporation · 1977
- Acoustic wave resonator and duplexer using same20US 8,698,578 B2Panasonic Corporation · 2014