H03H 9/605
Consisting of a ladder configuration
Official title: {consisting of a ladder configuration}
H03H9/605 (Consisting of a ladder configuration) appears on 709 US grants and 754 published applications in this corpus.
Search patents in H03H- Granted patents
- 709
- Published applications
- 754
- Assignees
- 117
- Inventors
- 780
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 9 | 0 |
| 1998 | 10 | 0 |
| 1999 | 20 | 0 |
| 2000 | 15 | 0 |
| 2001 | 5 | 3 |
| 2002 | 8 | 9 |
| 2003 | 4 | 7 |
| 2004 | 8 | 8 |
| 2005 | 8 | 24 |
| 2006 | 15 | 14 |
| 2007 | 12 | 13 |
| 2008 | 17 | 16 |
| 2009 | 14 | 7 |
| 2010 | 8 | 10 |
| 2011 | 5 | 12 |
| 2012 | 7 | 14 |
| 2013 | 7 | 14 |
| 2014 | 13 | 8 |
| 2015 | 19 | 19 |
| 2016 | 16 | 31 |
| 2017 | 25 | 34 |
| 2018 | 26 | 45 |
| 2019 | 55 | 75 |
| 2020 | 44 | 73 |
| 2021 | 62 | 46 |
| 2022 | 42 | 72 |
| 2023 | 43 | 59 |
| 2024 | 49 | 61 |
| 2025 | 73 | 40 |
| 2026 | 35 | 40 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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Most cited
By later US patents
- Filters and duplexers utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators203US 5,910,756 ANokia Mobile Phones Ltd. · 1999
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- RF ladder filter with simplified acoustic RF resonator parallel capacitance compensation185US 9,837,984 B2Qorvo US, Inc. · 2017
- Resonator, frequency filter, duplexer, electronic device, and method of manufacturing resonator160US 9,112,134 B2Taiyo Yuden Co., Ltd. · 2015
- Cavity-less film bulk acoustic resonator (FBAR) devices140US 7,332,985 B2Avago Technologies Wireless IP (Singapore) Pte. Ltd. · 2008