H03B 5/1206
Using multiple transistors for amplification
Official title: {using multiple transistors for amplification}
H03B5/1206 (Using multiple transistors for amplification) appears on 1,577 US grants and 1,450 published applications in this corpus.
Search patents in H03B- Granted patents
- 1,577
- Published applications
- 1,450
- Assignees
- 492
- Inventors
- 2,374
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 1 | 0 |
| 1995 | 9 | 0 |
| 1996 | 9 | 0 |
| 1997 | 4 | 0 |
| 1998 | 15 | 0 |
| 1999 | 11 | 0 |
| 2000 | 18 | 0 |
| 2001 | 23 | 6 |
| 2002 | 19 | 28 |
| 2003 | 31 | 46 |
| 2004 | 45 | 69 |
| 2005 | 51 | 88 |
| 2006 | 69 | 73 |
| 2007 | 78 | 70 |
| 2008 | 60 | 84 |
| 2009 | 64 | 85 |
| 2010 | 58 | 53 |
| 2011 | 64 | 51 |
| 2012 | 71 | 59 |
| 2013 | 40 | 50 |
| 2014 | 46 | 57 |
| 2015 | 62 | 58 |
| 2016 | 107 | 69 |
| 2017 | 69 | 78 |
| 2018 | 43 | 63 |
| 2019 | 80 | 68 |
| 2020 | 104 | 70 |
| 2021 | 67 | 48 |
| 2022 | 61 | 51 |
| 2023 | 50 | 29 |
| 2024 | 27 | 25 |
| 2025 | 38 | 34 |
| 2026 | 26 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03B 5/1212The amplifier comprising a pair of transistors, wherein an output terminal of1,294
- H03B 5/1218The generator being of the balanced type142
- H03B 5/1209The amplifier having two current paths operating in a differential manner and124
- H03B 5/1221The amplifier comprising multiple amplification stages connected in cascade116
- H03B 5/1225The generator comprising multiple amplifiers connected in parallel50
Recent patents
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- Compensation Technique for the Nonlinear Behavior of Digitally-Controlled Oscillator (DCO) Gain8 Oct 2026US 2026/0312591 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Circuits and methods for generating an oscillator signal24 Sep 2026US 2026/0291436 A1Analog Devices International Unlimited Company
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Most cited
By later US patents
- Dual-band coupled VCO148US 8,125,282 B2Telefonaktiebolaget LM Ericsson (publ) · 2012
- RF circuits including transistors having strained material layers131US 7,709,828 B2Taiwan Semiconductor Manufacturing Company.Ltd · 2010
- Method and apparatus for providing coarse and fine tuning control for synthesizing high-frequency signals for wireless communications117US 6,137,372 ASilicon Laboratories Inc. · 2000
- Frequency doubling oscillator and mixer circuit108US 4,810,976 APlessey Overseas Limited · 1989
- Voltage controlled oscillator band switching technique107US 5,739,730 AMicrotune, Inc. · 1998