H04Q 11/0001
Selecting arrangements for multiplex systems: using optical switching
Official title: {using optical switching}
H04Q11/0001 (Selecting arrangements for multiplex systems: using optical switching) appears on 7,138 US grants and 7,150 published applications in this corpus.
Search patents in H04Q- Granted patents
- 7,138
- Published applications
- 7,150
- Assignees
- 1,371
- Inventors
- 9,731
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
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| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 8 | 0 |
| 1989 | 15 | 0 |
| 1990 | 13 | 0 |
| 1991 | 20 | 0 |
| 1992 | 29 | 0 |
| 1993 | 26 | 0 |
| 1994 | 46 | 0 |
| 1995 | 53 | 0 |
| 1996 | 63 | 0 |
| 1997 | 54 | 0 |
| 1998 | 77 | 0 |
| 1999 | 97 | 0 |
| 2000 | 103 | 0 |
| 2001 | 121 | 68 |
| 2002 | 150 | 398 |
| 2003 | 195 | 313 |
| 2004 | 200 | 270 |
| 2005 | 167 | 197 |
| 2006 | 204 | 177 |
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| 2021 | 293 | 277 |
| 2022 | 263 | 272 |
| 2023 | 204 | 280 |
| 2024 | 251 | 294 |
| 2025 | 227 | 263 |
| 2026 | 187 | 174 |
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
- Packet-switched self-routing multistage interconnection network having contention-free fanout, low-loss routing, and fanin buffering to efficiently realize arbitrarily low packet loss365US 5,541,914 A1996
- Switchable multi-drop video distribution system296US 5,867,484 AIntellect Network Technologies · 1999
- Method and apparatus for identifying and tracking connections of communication lines294US 6,002,331 A1999
- Dynamic bandwidth allocation for a communication network284US 6,324,184 B1General Instrument Corporation · 2001
- Multi-wavelength cross-connect optical switch282US 6,097,859 AThe Regents of the University of California · 2000