H03F 2203/45621
The ic comprising a transformer for phase splitting the input signal
Official title: the IC comprising a transformer for phase splitting the input signal
H03F2203/45621 (The ic comprising a transformer for phase splitting the input signal) appears on 95 US grants and 103 published applications in this corpus.
Search patents in H03F- Granted patents
- 95
- Published applications
- 103
- Assignees
- 71
- Inventors
- 221
- Latest grant
- 9 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 1 | 2 |
| 2007 | 3 | 2 |
| 2008 | 1 | 0 |
| 2009 | 1 | 1 |
| 2010 | 1 | 4 |
| 2011 | 3 | 4 |
| 2012 | 6 | 7 |
| 2013 | 6 | 8 |
| 2014 | 8 | 6 |
| 2015 | 4 | 4 |
| 2016 | 4 | 3 |
| 2017 | 4 | 3 |
| 2018 | 6 | 7 |
| 2019 | 8 | 7 |
| 2020 | 5 | 5 |
| 2021 | 8 | 11 |
| 2022 | 6 | 5 |
| 2023 | 0 | 4 |
| 2024 | 10 | 5 |
| 2025 | 6 | 4 |
| 2026 | 0 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Impedance matching apparatus9 Dec 2025US 12,494,762 B2Skyworks Solutions, Inc.
- Doherty power amplifier4 Nov 2025US 12,463,595 B2Qorvo US, Inc.
- Amplifier device using transformer with multi-loop structure and communication device using the same in wireless communication system28 Oct 2025US 12,456,992 B2Samsung Electronics Co., Ltd.
- Power amplifiers testing system and related testing method20 May 2025US 12,306,263 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Transformer for low loss and apparatus including the same13 May 2025US 12,301,175 B2Samsung Electronics Co., Ltd.
- Electric circuit fragment with transmit/receive switch topology16 Jul 2026US 2026/0202494 A1Koninklijke Philips N. V.
- Rf amplifier16 Jul 2026US 2026/0205076 A1STMicroelectronics International N. V.
- Impedance matching apparatus25 Jun 2026US 2026/0180540 A1Skyworks Solutions, Inc.
- Low noise amplifier operating in x-band and ku-band21 May 2026US 2026/0142621 A1Wavepia Co., Ltd.
- High peaking frequency differential cascode transformer amplifier21 May 2026US 2026/0142623 A1
Most cited
By later US patents
- Integrated circuit low noise amplifier and applications thereof44US 6,809,581 B2Broadcom Corporation · 2004
- Low-noise amplifier suitable for use in a television receiver26US 7,973,603 B2Silicon Laboratories Inc. · 2011
- Power amplifier for millimeter wave devices25US 10,355,646 B2Globalfoundries Inc. · 2019
- RF power amplifier18US 7,990,220 B2Renesas Electronics Corporation · 2011
- Transceiver and integrated circuit14US 8,576,005 B2Mediatek Inc. · 2013