H03B 5/32
Being a piezoelectric resonator
Official title: being a piezoelectric resonator (selection of piezoelectric material H10N30/00)
H03B5/32 (Being a piezoelectric resonator) appears on 2,139 US grants and 1,722 published applications in this corpus.
Search patents in H03B- Granted patents
- 2,139
- Published applications
- 1,722
- Assignees
- 586
- Inventors
- 2,696
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 18 | 0 |
| 1978 | 21 | 0 |
| 1979 | 13 | 0 |
| 1980 | 12 | 0 |
| 1981 | 18 | 0 |
| 1982 | 10 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 15 | 0 |
| 1986 | 24 | 0 |
| 1987 | 13 | 0 |
| 1988 | 15 | 0 |
| 1989 | 22 | 0 |
| 1990 | 13 | 0 |
| 1991 | 22 | 0 |
| 1992 | 19 | 0 |
| 1993 | 16 | 0 |
| 1994 | 13 | 0 |
| 1995 | 15 | 0 |
| 1996 | 19 | 0 |
| 1997 | 17 | 0 |
| 1998 | 29 | 0 |
| 1999 | 31 | 0 |
| 2000 | 16 | 0 |
| 2001 | 38 | 15 |
| 2002 | 22 | 54 |
| 2003 | 48 | 59 |
| 2004 | 67 | 55 |
| 2005 | 49 | 66 |
| 2006 | 55 | 78 |
| 2007 | 66 | 49 |
| 2008 | 46 | 59 |
| 2009 | 47 | 53 |
| 2010 | 57 | 46 |
| 2011 | 30 | 54 |
| 2012 | 48 | 48 |
| 2013 | 45 | 52 |
| 2014 | 60 | 85 |
| 2015 | 94 | 93 |
| 2016 | 121 | 95 |
| 2017 | 67 | 112 |
| 2018 | 59 | 101 |
| 2019 | 121 | 92 |
| 2020 | 143 | 118 |
| 2021 | 96 | 53 |
| 2022 | 77 | 79 |
| 2023 | 75 | 71 |
| 2024 | 67 | 69 |
| 2025 | 65 | 40 |
| 2026 | 47 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03B 5/36Active element in amplifier being semiconductor device1,348
- H03B 5/326The resonator being an acoustic wave device220
- H03B 5/323The resonator having more than two terminals40
- H03B 5/38Frequency-determining element being connected via bridge circuit to closed ring around which9
- H03B 5/34Active element in amplifier being vacuum tube3
Recent patents
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- Circuit apparatus and oscillator8 Sep 2026US 12,732,135 B2Seiko Epson Corporation
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- Analog amplitude control circuit to optimize drive level of crystal oscillator8 Sep 2026US 12,732,146 B1Synopsys, Inc.
- Crystal oscillator1 Oct 2026US 2026/0303018 A1STMicroelectronics International N. V.
- Crystal oscillator1 Oct 2026US 2026/0303019 A1STMicroelectronics International N. V.
- Oscillator24 Sep 2026US 2026/0291434 A1Seiko Epson Corporation
- Piezoelectric Vibration Device24 Sep 2026US 2026/0291437 A1Daishinku Corporation
- Low phase noise signal generation circuitry24 Sep 2026US 2026/0291438 A1NXP USA, Inc.
Most cited
By later US patents
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- Transmitter of the telemetry device of an implant249US 6,490,487 B1Biotronki Mess - und Therapiegeraete GmbH & Co. Ingenieurbuero Berlin · 2002
- Tunable horn antenna238US 6,867,744 B2Kyocera Wireless Corp. · 2005
- Configuring digital functions in a digital configurable macro architecture193US 6,603,330 B1Cypress Semiconductor Corporation · 2003