H03F 3/3098
Using a transformer as phase splitter
Official title: {using a transformer as phase splitter}
H03F3/3098 (Using a transformer as phase splitter) appears on 11 US grants and 14 published applications in this corpus.
Search patents in H03F- Granted patents
- 11
- Published applications
- 14
- Assignees
- 7
- Inventors
- 21
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 3 |
| 2019 | 2 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 3 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Solid-state RF power amplifier for radio transmitters74US 8,031,003 B22011
- Amplifying unit comprising an input transformer capable of contributing to a wider frequency band of a broadband amplifier12US 6,111,465 ANEC Corporation · 2000
- Power amplification system with reactance compensation11US 10,110,184 B2Skyworks Solutions, Inc. · 2018
- Solid-state RF power amplifier for radio transmitters10US 7,683,718 B22010
- Solid-state RF power amplifier for radio transmitters10US 8,130,039 B22012