H03F 3/45192
Folded cascode stages
Official title: {Folded cascode stages}
H03F3/45192 (Folded cascode stages) appears on 582 US grants and 474 published applications in this corpus.
Search patents in H03F- Granted patents
- 582
- Published applications
- 474
- Assignees
- 287
- Inventors
- 973
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 7 | 0 |
| 1995 | 14 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 8 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 4 |
| 2002 | 15 | 14 |
| 2003 | 20 | 9 |
| 2004 | 20 | 17 |
| 2005 | 13 | 22 |
| 2006 | 26 | 24 |
| 2007 | 21 | 24 |
| 2008 | 28 | 26 |
| 2009 | 17 | 28 |
| 2010 | 36 | 17 |
| 2011 | 13 | 14 |
| 2012 | 15 | 8 |
| 2013 | 18 | 19 |
| 2014 | 22 | 28 |
| 2015 | 22 | 14 |
| 2016 | 22 | 14 |
| 2017 | 13 | 11 |
| 2018 | 17 | 15 |
| 2019 | 21 | 24 |
| 2020 | 34 | 32 |
| 2021 | 21 | 22 |
| 2022 | 25 | 21 |
| 2023 | 17 | 16 |
| 2024 | 8 | 16 |
| 2025 | 12 | 21 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Common adjustment circuit9 Jun 2026US 12,652,010 B2Socionext Inc.
- Amplifier with overvoltage protection19 May 2026US 12,633,882 B2Texas Instruments Incorporated
- Efficient common mode suppression for transmission systems31 Mar 2026US 12,592,670 B2Avago Technologies International Sales Pte. Limited
- Interpolation amplifier and source driver comprising the same24 Mar 2026US 12,586,503 B2Anapass Inc.
- Operational transconductance amplifier (ota) with separate cascode paths for reconfigurable input pairs23 Jul 2026US 2026/0213718 A1QUALCOMM Incorporated
- System and methods for efficient common mode suppression for transmission systems16 Jul 2026US 2026/0205068 A1Avago Technologies International Sales Pte. Limited
- Electronic circuit and method for suppressing offset changes in a buffer2 Jul 2026US 2026/0189191 A1
- Load Regulation for LDO with Low Loop Gain25 Jun 2026US 2026/0180516 A1pSemi Corporation
- Source driver including 1-bit extended interpolation amplifier11 Jun 2026US 2026/0163539 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Capacitor compensation in miller compensated circuits200US 6,788,146 B2Texas Instruments Incorporated · 2004
- Narrowband LC folded cascode structure126US 6,094,084 ANortel Networks Limited · 2000
- Apparatus and methods for wideband envelope tracking systems107US 9,445,371 B2Skyworks Solutions, Inc. · 2016
- Variable gain amplifier for low voltage applications93US 6,684,065 B2Broadcom Corporation · 2004
- Voltage amplifier and driving device of display device using the voltage amplifier90US 8,314,764 B2MC Technology GmbH · 2012