H03B 19/06
Generation of oscillations by non-regenerative frequency multiplication or division of a signal
Official title: by means of discharge device or semiconductor device with more than two electrodes
H03B19/06 (Generation of oscillations by non-regenerative frequency multiplication or division of a signal) appears on 317 US grants and 234 published applications in this corpus.
Search patents in H03B- Granted patents
- 317
- Published applications
- 234
- Assignees
- 194
- Inventors
- 657
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 7 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 2 |
| 2002 | 7 | 7 |
| 2003 | 6 | 5 |
| 2004 | 3 | 1 |
| 2005 | 0 | 4 |
| 2006 | 4 | 11 |
| 2007 | 8 | 9 |
| 2008 | 4 | 11 |
| 2009 | 11 | 9 |
| 2010 | 9 | 5 |
| 2011 | 5 | 10 |
| 2012 | 11 | 10 |
| 2013 | 8 | 12 |
| 2014 | 20 | 16 |
| 2015 | 15 | 8 |
| 2016 | 13 | 10 |
| 2017 | 9 | 13 |
| 2018 | 5 | 4 |
| 2019 | 10 | 14 |
| 2020 | 20 | 14 |
| 2021 | 15 | 12 |
| 2022 | 17 | 15 |
| 2023 | 15 | 14 |
| 2024 | 9 | 8 |
| 2025 | 11 | 6 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-gigabit per second frequency-shift keying (FSK) transceiver28 Apr 2026US 12,615,174 B2The Regents of the University of California
- Input matching network with harmonic trap for frequency multiplier13 Jan 2026US 12,525,920 B2Analog Devices, Inc.
- Frequency multiplying using variable inductors and capacitors6 Jan 2026US 12,519,226 B1Amazon Technologies, Inc.
- Transformer-coupled input buffer for frequency synthesis21 Oct 2025US 12,451,840 B2Texas Instruments Incorporated
- Complementary current reuse even harmonic frequency multiplier7 Oct 2025US 12,438,506 B1National Technology & Engineering Solutions of Sandia, LLC
- Frequency divider and method of operating23 Apr 2026US 2026/0113045 A1STMicroelectronics International N. V.
- Transformer-coupled input buffer for frequency synthesis12 Feb 2026US 2026/0045906 A1Texas Instruments Incorporated
- Energy efficient, strained topological insulator spin field effect transistor (sti-spinfet) frequency multiplier5 Feb 2026US 2026/0040632 A1Virginia Commonwealth University
- Frequency multiplier and wireless communication device22 Jan 2026US 2026/0025127 A1Huawei Technologies Co., Ltd.
- High spectral purity frequency quadrupler employing bandpass filter13 Nov 2025US 2025/0350289 A1Wavepia Co., Ltd.
Most cited
By later US patents
- Frequency doubler112US 4,734,591 AKabushiki Kaisha Toshiba · 1988
- Wide bandwidth frequency doubler109US 4,931,921 AMotorola, Inc. · 1990
- Frequency doubling oscillator and mixer circuit108US 4,810,976 APlessey Overseas Limited · 1989
- Self centering frequency multiplier108US 5,903,196 AMotorola, Inc. · 1999
- Low supply voltage frequency multiplier with common base transistor amplifier103US 4,130,765 A1978