H03F 3/45076
Characterised by the way of implementation of the active amplifying circuit in
Official title: {characterised by the way of implementation of the active amplifying circuit in the differential amplifier}
H03F3/45076 (Characterised by the way of implementation of the active amplifying circuit in) appears on 10,034 US grants and 9,230 published applications in this corpus.
Search patents in H03F- Granted patents
- 10,034
- Published applications
- 9,230
- Assignees
- 1,949
- Inventors
- 13,141
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 18 | 0 |
| 1977 | 11 | 0 |
| 1978 | 15 | 0 |
| 1979 | 10 | 0 |
| 1980 | 17 | 0 |
| 1981 | 27 | 0 |
| 1982 | 24 | 0 |
| 1983 | 18 | 0 |
| 1984 | 19 | 0 |
| 1985 | 35 | 0 |
| 1986 | 28 | 0 |
| 1987 | 35 | 0 |
| 1988 | 27 | 0 |
| 1989 | 36 | 0 |
| 1990 | 31 | 0 |
| 1991 | 24 | 0 |
| 1992 | 36 | 0 |
| 1993 | 31 | 0 |
| 1994 | 61 | 0 |
| 1995 | 87 | 0 |
| 1996 | 74 | 0 |
| 1997 | 64 | 0 |
| 1998 | 82 | 0 |
| 1999 | 96 | 0 |
| 2000 | 90 | 0 |
| 2001 | 143 | 38 |
| 2002 | 170 | 190 |
| 2003 | 224 | 213 |
| 2004 | 231 | 192 |
| 2005 | 200 | 331 |
| 2006 | 293 | 365 |
| 2007 | 334 | 384 |
| 2008 | 365 | 398 |
| 2009 | 379 | 393 |
| 2010 | 436 | 358 |
| 2011 | 357 | 304 |
| 2012 | 340 | 293 |
| 2013 | 339 | 341 |
| 2014 | 351 | 345 |
| 2015 | 319 | 340 |
| 2016 | 397 | 318 |
| 2017 | 389 | 335 |
| 2018 | 365 | 385 |
| 2019 | 496 | 491 |
| 2020 | 514 | 540 |
| 2021 | 467 | 484 |
| 2022 | 478 | 513 |
| 2023 | 414 | 475 |
| 2024 | 397 | 470 |
| 2025 | 363 | 401 |
| 2026 | 277 | 333 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03F 3/45179Using mosfet transistors as the active amplifying circuit5,526
- H03F 3/45475Using ic blocks as the active amplifying circuit4,401
- H03F 3/4508Using bipolar transistors as the active amplifying circuit1,530
- H03F 3/45278Using bifet transistors as the active amplifying circuit176
- H03F 3/45376Using junction fet transistors as the active amplifying circuit152
Recent patents
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Most cited
By later US patents
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- Wireless medical diagnosis and monitoring equipment582US 7,215,991 B2Motorola, Inc. · 2007
- Wireless medical diagnosis and monitoring equipment485US 6,289,238 B1Motorola, Inc. · 2001
- Wireless medical diagnosis and monitoring equipment461US 6,577,893 B1Motorola, Inc. · 2003