H04Q 11/00
Selecting arrangements for multiplex systems
Official title: Selecting arrangements for multiplex systems (multiplex systems H04J)
H04Q11/00 (Selecting arrangements for multiplex systems) appears on 15,516 US grants and 9,244 published applications in this corpus.
Search patents in H04Q- Granted patents
- 15,516
- Published applications
- 9,244
- Assignees
- 2,414
- Inventors
- 20,776
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 58 | 0 |
| 1977 | 68 | 0 |
| 1978 | 51 | 0 |
| 1979 | 49 | 0 |
| 1980 | 38 | 0 |
| 1981 | 49 | 0 |
| 1982 | 58 | 0 |
| 1983 | 74 | 0 |
| 1984 | 71 | 0 |
| 1985 | 103 | 0 |
| 1986 | 79 | 0 |
| 1987 | 106 | 0 |
| 1988 | 109 | 0 |
| 1989 | 122 | 0 |
| 1990 | 114 | 0 |
| 1991 | 143 | 0 |
| 1992 | 159 | 0 |
| 1993 | 186 | 0 |
| 1994 | 328 | 0 |
| 1995 | 384 | 0 |
| 1996 | 469 | 0 |
| 1997 | 397 | 0 |
| 1998 | 629 | 0 |
| 1999 | 716 | 0 |
| 2000 | 710 | 0 |
| 2001 | 731 | 281 |
| 2002 | 655 | 821 |
| 2003 | 658 | 569 |
| 2004 | 560 | 468 |
| 2005 | 423 | 326 |
| 2006 | 532 | 282 |
| 2007 | 389 | 258 |
| 2008 | 303 | 280 |
| 2009 | 299 | 307 |
| 2010 | 314 | 307 |
| 2011 | 269 | 268 |
| 2012 | 285 | 308 |
| 2013 | 307 | 316 |
| 2014 | 404 | 372 |
| 2015 | 379 | 408 |
| 2016 | 435 | 447 |
| 2017 | 506 | 415 |
| 2018 | 388 | 428 |
| 2019 | 444 | 352 |
| 2020 | 393 | 350 |
| 2021 | 337 | 311 |
| 2022 | 292 | 291 |
| 2023 | 225 | 303 |
| 2024 | 276 | 313 |
| 2025 | 245 | 280 |
| 2026 | 197 | 183 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Laser sparing architectures for multi-wavelength laser arrays6 Oct 2026US 12,754,377 B2NVIDIA Corporation
- Optical time domain reflectometer (OTDR)-based fiber monitoring optimization6 Oct 2026US 12,756,459 B2Viavi Solutions Inc.
- Cloud-based rogue network device detection6 Oct 2026US 12,756,460 B1Calix, Inc.
- Optical fiber input/output tray with wavelength division multiplexing support for a co-packaged optical switch6 Oct 2026US 12,756,492 B2Quanta Computer Inc.
- Switch system, switch apparatus, and linear drive pluggable optics apparatus6 Oct 2026US 12,756,960 B2Jess-Link Products Co., Ltd.
- Photonic quantum computer architecture and methods of operation8 Oct 2026US 2026/0311016 A1Psiquantum, Corp.
- Small form-factor pluggable device8 Oct 2026US 2026/0312346 A1Schweitzer Engineering Laboratories, Inc.
- Identification Method for Branch Ports of Optical Distribution Network, and Optical Distribution Network8 Oct 2026US 2026/0312678 A1Zte Corporation
- Wavelength cross connect device, and wavelength cross connect method8 Oct 2026US 2026/0313275 A1NTT, Inc.
- Optical devices having externally field-configurable splitting ratios and methods of using the same1 Oct 2026US 2026/0299245 A1Corning Research & Development Corporation
Most cited
By later US patents
- Database backup method1,405US 4,686,620 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1987
- 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
- IP-flow classification in a wireless point to multi-point (PTMP) transmission system910US 6,452,915 B1Malibu Networks, Inc. · 2002