H03H 9/14508
Polyphase saw transducers
Official title: {Polyphase SAW transducers}
H03H9/14508 (Polyphase saw transducers) appears on 22 US grants and 2 published applications in this corpus.
Search patents in H03H- Granted patents
- 22
- Published applications
- 2
- Assignees
- 10
- Inventors
- 35
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Acoustic wave filter23 Dec 2025US 12,506,466 B2Murata Manufacturing Co., Ltd.
- Tunable diffraction gratings using surface acoustic waves12 Nov 2024US 12,140,826 B2California Institute of Technology
- Surface acoustic wave device, equipment including the same with electric circuit connected thereto and measuring method of parameters thereof17 Mar 1998US 5,729,076 AHitachi, Ltd.
- Efficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the same10 Feb 1998US 5,717,274 ACanon Kabushiki Kaisha
- Efficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the same19 Dec 1995US 5,477,098 ACanon Kabushiki Kaisha
Most cited
By later US patents
- Channel selection for a television receiver having low-gain high frequency RF-IF section46US 4,162,452 ATexas Instruments Incorporated · 1979
- High-frequency channel selector having fixed bandpass filters in the RF section30US 4,408,347 ATexas Instruments Incorporated · 1983
- Efficient surface acoustic wave device capable of excitation in plural frequency bands, and signal receiver and communication system utilizing the same19US 5,477,098 ACanon Kabushiki Kaisha · 1995
- MESFET-device surface-wave-device channel selector16US 4,162,451 ATexas Instruments Incorporated · 1979
- Tunable surface wave device resonator15US 4,028,648 ATexas Instruments Incorporated · 1977