H03L 1/023
By using voltage variable capacitance diodes
Official title: {by using voltage variable capacitance diodes}
H03L1/023 (By using voltage variable capacitance diodes) appears on 228 US grants and 159 published applications in this corpus.
Search patents in H03L- Granted patents
- 228
- Published applications
- 159
- Assignees
- 111
- Inventors
- 393
- Latest grant
- 4 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 9 | 0 |
| 2000 | 5 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 5 |
| 2003 | 9 | 13 |
| 2004 | 7 | 5 |
| 2005 | 3 | 7 |
| 2006 | 11 | 10 |
| 2007 | 8 | 9 |
| 2008 | 8 | 9 |
| 2009 | 5 | 7 |
| 2010 | 8 | 5 |
| 2011 | 5 | 6 |
| 2012 | 10 | 10 |
| 2013 | 8 | 9 |
| 2014 | 6 | 9 |
| 2015 | 9 | 1 |
| 2016 | 5 | 9 |
| 2017 | 6 | 9 |
| 2018 | 4 | 6 |
| 2019 | 14 | 9 |
| 2020 | 9 | 4 |
| 2021 | 7 | 4 |
| 2022 | 5 | 4 |
| 2023 | 1 | 2 |
| 2024 | 3 | 2 |
| 2025 | 1 | 2 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Circuit device and oscillator4 Mar 2025US 12,244,268 B2Seiko Epson Corporation
- Oscillator with frequency variation compensation15 Oct 2024US 12,119,788 B2Cypress Semiconductor Corporation
- Oscillator frequency compensation with a fixed capacitor4 Jun 2024US 12,003,217 B2Cypress Semiconductor Corporation
- Oscillator12 Mar 2024US 11,929,710 B2Seiko Epson Corporation
- Oscillation device and electronic device29 Aug 2023US 11,742,798 B2Spreadtrum Communications (Shenzhen) Co., Ltd.
- Circuit device and oscillator12 Mar 2026US 2026/0074654 A1Seiko Epson Corporation
- Semiconductor device and electronic device including same18 Sep 2025US 2025/0293690 A1Rohm Co., Ltd.
- Ultra-low power temperature sensor design13 Mar 2025US 2025/0088192 A1Northeastern University
- Calibration device and method for calibrating frequency drift and electronic device using the same2 May 2024US 2024/0146308 A1Nuvoton Technology Corporation
- Oscillator frequency compensation with a fixed capacitor18 Apr 2024US 2024/0128927 A1Cypress Semiconductor Corporation
Most cited
By later US patents
- Digitally temperature compensated voltage-controlled oscillator201US 4,746,879 A1988
- Oscillator circuit with first and second frequency control elements114US 5,898,345 AMatsushita Electric Industrial Co., Ltd. · 1999
- Method and apparatus for providing a modified temperature compensation signal in a TCXO circuit104US 5,428,319 AMotorola, Inc. · 1995
- System and method for narrow band PLL tuning91US 6,426,680 B1Broadcom Corporation · 2002
- Crystal oscillator with AGC and on-chip tuning71US 6,052,036 ATelefonaktiebolaget L M Ericsson · 2000