H03H 7/48
Networks for connecting several sources or loads, working on the same frequency
Official title: Networks for connecting several sources or loads, working on the same frequency or frequency band, to a common load or source (phase shifters providing two or more output signals H03H7/21)
H03H7/48 (Networks for connecting several sources or loads, working on the same frequency) appears on 424 US grants and 367 published applications in this corpus.
Search patents in H03H- Granted patents
- 424
- Published applications
- 367
- Assignees
- 233
- Inventors
- 702
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 11 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 6 |
| 2003 | 8 | 14 |
| 2004 | 12 | 8 |
| 2005 | 9 | 8 |
| 2006 | 5 | 8 |
| 2007 | 6 | 9 |
| 2008 | 9 | 8 |
| 2009 | 4 | 9 |
| 2010 | 7 | 12 |
| 2011 | 10 | 9 |
| 2012 | 2 | 12 |
| 2013 | 6 | 13 |
| 2014 | 15 | 23 |
| 2015 | 19 | 14 |
| 2016 | 20 | 30 |
| 2017 | 32 | 18 |
| 2018 | 26 | 20 |
| 2019 | 18 | 28 |
| 2020 | 28 | 14 |
| 2021 | 17 | 22 |
| 2022 | 13 | 21 |
| 2023 | 18 | 19 |
| 2024 | 12 | 16 |
| 2025 | 22 | 14 |
| 2026 | 11 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multiplexer and detector11 Aug 2026US 12,706,582 B2Zhejiang Lab
- Self-tuning transmitter combiner comprising a plurality of filters combining with a reactive element at a junction and including a control unit for tuning the filters and reactive element4 Aug 2026US 12,700,844 B2Norsat International Inc.
- Filter, multiplexer, and multilayer electronic component14 Jul 2026US 12,683,569 B2Taiyo Yuden Co., Ltd.
- Combiner/splitter9 Jun 2026US 12,652,014 B2Qorvo US, Inc.
- Systems and methods for frequency equalization and temperature compensation in radio frequency devices26 May 2026US 12,640,701 B2Smiths Interconnect Americas, Inc.
- Combiner/splitter3 Sep 2026US 2026/0261249 A1Qorvo US, Inc.
- Power amplifier arrangement with enhanced bandwidth16 Jul 2026US 2026/0205059 A1Telefonaktiebolaget LM Ericsson (publ)
- Differential power divider/combiner with crossing positive and negative portions23 Apr 2026US 2026/0113014 A1NXP B. V.
- High pass power combiner with coupled inductive elements16 Apr 2026US 2026/0106593 A1Apple Inc.
- Phase shifter circuit of optical encoder26 Mar 2026US 2026/0088802 A1Pixart Imaging Inc.
Most cited
By later US patents
- Wideband, minimum-rating filters and multicouplers for power amplifiers127US 6,552,634 B12003
- Combining power amplifiers at millimeter wave frequencies117US 10,291,193 B2Texas Instruments Incorporated · 2019
- CATV tap-off unit with detachable directional coupler114US 4,578,702 AAmerican Television & Communications Corporation · 1986
- Technique for wideband operation of power amplifiers113US 6,252,461 B12001
- Quadrature hybrid and improved vector modulator in a chip scale package using same80US 6,806,789 B2M/A-Com, Inc. · 2004