H04Q 11/0428
Integrated services digital network, i.e. systems for transmission of different types of
Official title: {Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals}
H04Q11/0428 (Integrated services digital network, i.e. systems for transmission of different types of) appears on 6,053 US grants and 1,393 published applications in this corpus.
Search patents in H04Q- Granted patents
- 6,053
- Published applications
- 1,393
- Assignees
- 933
- Inventors
- 8,345
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 7 | 0 |
| 1985 | 15 | 0 |
| 1986 | 15 | 0 |
| 1987 | 15 | 0 |
| 1988 | 38 | 0 |
| 1989 | 41 | 0 |
| 1990 | 43 | 0 |
| 1991 | 73 | 0 |
| 1992 | 78 | 0 |
| 1993 | 121 | 0 |
| 1994 | 215 | 0 |
| 1995 | 266 | 0 |
| 1996 | 350 | 0 |
| 1997 | 295 | 0 |
| 1998 | 501 | 0 |
| 1999 | 569 | 0 |
| 2000 | 550 | 0 |
| 2001 | 540 | 179 |
| 2002 | 428 | 366 |
| 2003 | 378 | 201 |
| 2004 | 308 | 160 |
| 2005 | 227 | 92 |
| 2006 | 285 | 67 |
| 2007 | 132 | 29 |
| 2008 | 110 | 40 |
| 2009 | 95 | 39 |
| 2010 | 63 | 38 |
| 2011 | 58 | 36 |
| 2012 | 40 | 22 |
| 2013 | 43 | 23 |
| 2014 | 47 | 23 |
| 2015 | 17 | 19 |
| 2016 | 27 | 7 |
| 2017 | 11 | 13 |
| 2018 | 9 | 10 |
| 2019 | 7 | 4 |
| 2020 | 9 | 9 |
| 2021 | 9 | 5 |
| 2022 | 3 | 5 |
| 2023 | 3 | 0 |
| 2024 | 3 | 4 |
| 2025 | 1 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical network test instrument including testing for optical network unit and optical line terminal assignment19 May 2026US 12,634,007 B2Viavi Solutions Inc.
- Bandwidth adjustment method, service transmission method, network device and readable storage medium21 Apr 2026US 12,610,283 B2Zte Corporation
- Information transmission method and related device thereof29 Jul 2025US 12,375,428 B2Huawei Technologies Co., Ltd.
- Multi-link device (MLD) configured for multi-band operation using single MAC service access point (SAP)8 Oct 2024US 12,113,609 B2Intel Corporation
- Star topology fixed wireless access network with lower frequency failover30 Jul 2024US 12,052,164 B2Starry, Inc.
- Communication network systems regulating network connectivity protocols with an interconnected data platform and distributed data routing through multiplexing5 Feb 2026US 2026/0039617 A1Truist Bank
- Method for configuring an optical-fibre coupling device and device implementing the method18 Dec 2025US 2025/0386124 A1Sagemcom Broadband SAS
- Optical network test instrument including testing for optical network unit and optical line terminal assignment23 May 2024US 2024/0171273 A1Viavi Solutions Inc.
- Information transmission method and related device thereof16 May 2024US 2024/0163229 A1Huawei Technologies Co., Ltd.
- Optical Network and Node Using Timeslotted Reception14 Mar 2024US 2024/0089641 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Method of supporting unknown addresses in an interface for data transmission in an asynchronous transfer mode1,030US 6,151,323 A3Com Technologies · 2000
- Multimedia channel formulation mechanism978US 5,699,361 AIndustrial Technology Research Institute · 1997
- PSTN architecture for video-on-demand services963US 5,247,347 ABell Atlantic Network Services, Inc. · 1993
- Video-on-demand services using public switched telephone network900US 5,410,343 ABell Atlantic Network Services, Inc. · 1995
- Multimedia bidirectional broadcast system878US 5,027,400 AHitachi, Ltd. · 1991