H04J 1/08
Arrangements for combining channels
Official title: Arrangements for combining channels {(branching filters H01P1/213, H03H7/46)}
H04J1/08 (Arrangements for combining channels) appears on 137 US grants and 99 published applications in this corpus.
Search patents in H04J- Granted patents
- 137
- Published applications
- 99
- Assignees
- 105
- Inventors
- 275
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 3 |
| 2003 | 3 | 1 |
| 2004 | 1 | 0 |
| 2005 | 2 | 3 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 3 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 3 | 2 |
| 2012 | 2 | 3 |
| 2013 | 5 | 8 |
| 2014 | 7 | 4 |
| 2015 | 5 | 7 |
| 2016 | 3 | 14 |
| 2017 | 11 | 6 |
| 2018 | 13 | 7 |
| 2019 | 7 | 9 |
| 2020 | 13 | 7 |
| 2021 | 5 | 4 |
| 2022 | 4 | 4 |
| 2023 | 1 | 2 |
| 2024 | 4 | 3 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Techniques to facilitate multiplexing uplink signals of a repeater30 Sep 2025US 12,431,996 B2QUALCOMM Incorporated
- Wireless communication system, wireless communication method, transmitter, and receiver8 Jul 2025US 12,355,549 B2Nippon Telegraph and Telephone Corporation
- Regenerative active distributed networks28 May 2024US 11,997,363 B2Charter Communications Operating, LLC
- Polyphase phase shifter7 May 2024US 11,979,161 B2Texas Instruments Incorporated
- Wireless communication device, wireless communication terminal and wireless communication method12 Mar 2024US 11,929,857 B2International Semiconductor Group
- Signal generation apparatus, signal generation method, and computer program29 May 2025US 2025/0175276 A1Nippon Telegraph and Telephone Corporation
- Frequency multiplexed active taps26 Sep 2024US 2024/0323060 A1
- Techniques to facilitate multiplexing uplink signals of a repeater15 Feb 2024US 2024/0056208 A1QUALCOMM Incorporated
- Wireless communication system, wireless communication method, transmitter, and receiver4 Jan 2024US 2024/0007212 A1Nippon Telegraph and Telephone Corporation
- Wireless communication device, wireless communication terminal and wireless communication method27 Jul 2023US 2023/0239183 A1International Semiconductor Group
Most cited
By later US patents
- Frequency division multiplex system using comb filters153US 3,991,277 A1976
- Method and arrangement for dynamic allocation of multiple carrier-wave channels for multiple access by frequency division of multiplexing94US 5,680,388 ATelia AB · 1997
- System and method for increased bandwidth efficiency within microwave backhaul of a telecommunication system94US 8,432,884 B1Metropcs Wireless, Inc. · 2013
- Power distribution line communication system for and method of reducing effects of signal cancellation82US 5,185,591 AABB Power T&D Company Inc. · 1993
- System and method for increased bandwidth efficiency within microwave backhaul of a telecommunication system77US 8,811,366 B2Metropcs Wireless, Inc. · 2014