H03F 3/45215
Non-folded cascode stages
Official title: {Non-folded cascode stages}
H03F3/45215 (Non-folded cascode stages) appears on 30 US grants and 30 published applications in this corpus.
Search patents in H03F- Granted patents
- 30
- Published applications
- 30
- Assignees
- 21
- Inventors
- 49
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 5 |
| 2018 | 5 | 5 |
| 2019 | 5 | 9 |
| 2020 | 9 | 0 |
| 2021 | 1 | 2 |
| 2022 | 3 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 3 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Hybrid low power rail to rail amplifier with leakage control17 Feb 2026US 12,556,148 B2QUALCOMM Incorporated
- Digital sensors, electrical circuits and methods16 Aug 2022US 11,418,890 B1Knowles Electronics, LLC
- Distortion reducing variable output impedance class-D amplifier29 Mar 2022US 11,290,069 B2Cirrus Logic, Inc.
- Class-D amplifier with multiple power rails and quantizer that switches used ramp amplitude concurrently with switch in used power rail8 Feb 2022US 11,245,370 B2Cirrus Logic, Inc.
- Class-D amplifier with multiple independent output stages6 Apr 2021US 10,972,061 B2Cirrus Logic, Inc.
- Amplifier circuit, comparator, and solid-state imaging device28 May 2026US 2026/0149422 A1Sony Semiconductor Solutions Corporation
- Amplifying circuit having supplemental transconductance and stable common-mode feedback31 Oct 2024US 2024/0364286 A1Realtek Semiconductor Corp.
- Hybrid low power rail to rail amplifier with leakage control18 Apr 2024US 2024/0128941 A1QUALCOMM Incorporated
- Differential Input Circuit and Amplifier29 Feb 2024US 2024/0072744 A1Rohm Co., Ltd.
- Class-d amplifier with multiple power rails and quantizer that switches used ramp amplitude concurrently with switch in used power rail11 Feb 2021US 2021/0044264 A1Cirrus Logic International Semiconductor Ltd.
Most cited
By later US patents
- Dual-rail transceiver with improved signal-to-noise ratio for differential high-speed links14US 10,581,645 B1NVIDIA Corporation · 2020
- Dynamic cascoding technique for operational amplifiers12US 6,377,121 B1Intel Corporation · 2002
- Driving apparatus for a light emitting device and method for the same6US 9,370,059 B2STMicroelectronics (Shenzhen) R&D Co. Ltd · 2016
- Driving apparatus for a light emitting device and method for the same4US 9,661,701 B2STMicroelectronics (Shenzhen) R&D Co. Ltd · 2017
- Low voltage amplifier with gain boost circuit2US 10,187,012 B1Texas Instruments Incorporated · 2019