H03B 5/1221
The amplifier comprising multiple amplification stages connected in cascade
Official title: {the amplifier comprising multiple amplification stages connected in cascade}
H03B5/1221 (The amplifier comprising multiple amplification stages connected in cascade) appears on 116 US grants and 77 published applications in this corpus.
Search patents in H03B- Granted patents
- 116
- Published applications
- 77
- Assignees
- 76
- Inventors
- 200
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 5 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 4 |
| 2003 | 1 | 3 |
| 2004 | 6 | 12 |
| 2005 | 4 | 5 |
| 2006 | 6 | 5 |
| 2007 | 6 | 6 |
| 2008 | 5 | 7 |
| 2009 | 8 | 10 |
| 2010 | 9 | 2 |
| 2011 | 5 | 6 |
| 2012 | 7 | 2 |
| 2013 | 1 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 0 |
| 2017 | 2 | 4 |
| 2018 | 0 | 3 |
| 2019 | 4 | 1 |
| 2020 | 2 | 1 |
| 2021 | 2 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated oscillator of low noise28 Jul 2026US 12,695,421 B1Realtek Semiconductor Corp.
- Series resonance oscillator28 Apr 2026US 12,615,016 B1NXP USA, Inc.
- Oscillator with a multiple pole resonator14 Apr 2026US 12,603,610 B2Anlotek Limited
- Osciclamp—an electronic circuit to increase low voltage levels of electrical sources30 Apr 2024US 11,973,466 B2
- Multimode frequency multiplier13 Jun 2023US 11,677,390 B2QUALCOMM Incorporated
- Oscillator with a multiple pole resonator9 Nov 2023US 2023/0361719 A1Anlotek Limited
- Osciclamp - an electronic circuit to increase low voltage levels of electrical sources24 Nov 2022US 2022/0376656 A1
- Multimode Frequency Multiplier3 Nov 2022US 2022/0352878 A1QUALCOMM Incorporated
- Voltage-controlled oscillator (vco) with lc circuit and series resistors3 Feb 2022US 2022/0038056 A1Texas Instruments Incorporated
- Methods and apparatus for generating a high swing in an oscillator27 Feb 2020US 2020/0067453 A1Texas Instruments Incorporated
Most cited
By later US patents
- RF circuits including transistors having strained material layers131US 7,709,828 B2Taiwan Semiconductor Manufacturing Company.Ltd · 2010
- Self-oscillating burst mode transmitter with integral number of periods65US 4,980,898 ASiemens-Pacesetter, Inc. · 1990
- Green technology: green circuit and device designs of green chip58US 8,089,323 B22012
- Up-down frequency converter for cable T.V.43US 4,352,209 A1982
- VCO and buffer having noise filter on power supply line40US 5,379,003 AMurata Manufacturing Co., Ltd. · 1995