H03L 1/028
Of generators comprising piezoelectric resonators
Official title: {of generators comprising piezoelectric resonators (H03L1/021, H03L1/022 take precedence; oscillation generators with a piezoelectric resonator H03B5/32)}
H03L1/028 (Of generators comprising piezoelectric resonators) appears on 321 US grants and 277 published applications in this corpus.
Search patents in H03L- Granted patents
- 321
- Published applications
- 277
- Assignees
- 131
- Inventors
- 467
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 6 |
| 2003 | 8 | 8 |
| 2004 | 8 | 4 |
| 2005 | 0 | 4 |
| 2006 | 6 | 11 |
| 2007 | 7 | 10 |
| 2008 | 4 | 7 |
| 2009 | 5 | 4 |
| 2010 | 6 | 6 |
| 2011 | 8 | 3 |
| 2012 | 4 | 11 |
| 2013 | 6 | 10 |
| 2014 | 11 | 18 |
| 2015 | 13 | 16 |
| 2016 | 21 | 15 |
| 2017 | 10 | 43 |
| 2018 | 13 | 20 |
| 2019 | 41 | 22 |
| 2020 | 35 | 19 |
| 2021 | 18 | 10 |
| 2022 | 9 | 5 |
| 2023 | 8 | 11 |
| 2024 | 10 | 6 |
| 2025 | 8 | 7 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated circuit device and oscillator23 Jun 2026US 12,665,547 B2Seiko Epson Corporation
- Temperature-reporting oscillator2 Jun 2026US 12,647,073 B1SiTime Corporation
- Method and apparatus for maintaining communication performance in correspondence with internal temperature in electronic device12 May 2026US 12,627,300 B2Samsung Electronics Co., Ltd.
- Oscillator14 Apr 2026US 12,603,608 B2Seiko Epson Corporation
- Temperature stabilized frequency control device31 Mar 2026US 12,592,702 B2Rakon Limited
- Frequency-stable, low-noise timing signal generator having multiple mems resonators and nested-pll structure30 Jul 2026US 2026/0221977 A1
- Clock generation apparatus, clock generation method, adjustment apparatus, adjustment method, and non-transitory computer readable medium13 Nov 2025US 2025/0350239 A1Asahi Kasei Microdevices Corporation
- Integrated Circuit Device And Oscillator28 Aug 2025US 2025/0274079 A1Seiko Epson Corporation
- Ensemble of MEMS Oscillators in a Highly Accurate and Resilient Clock System24 Jul 2025US 2025/0239971 A1Viavi Solutions Inc.
- Oscillator3 Jul 2025US 2025/0219580 A1Seiko Epson Corporation
Most cited
By later US patents
- GPS receiver device and method for calibrating a temperature uncompensated crystal oscillator126US 5,654,718 AGarmin Ltd. · 1997
- Digital temperature-compensated oscillator70US 5,081,431 ANihon Dempa Kogyo Co., Ltd. · 1992
- Temperature compensated crystal oscillator63US 5,668,506 AFujitsu Limited · 1997
- Temperature compensation circuit for a crystal oscillator and associated circuitry63US 5,777,524 AMotorola, Inc. · 1998
- Apparatus and method for a temperature-controlled frequency source using a programmable IC60US 5,659,270 AMotorola, Inc. · 1997