H04Q 2213/1301
Optical transmission, optical switches
H04Q2213/1301 (Optical transmission, optical switches) appears on 386 US grants and 411 published applications in this corpus.
Search patents in H04Q- Granted patents
- 386
- Published applications
- 411
- Assignees
- 172
- Inventors
- 1,026
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 3 | 0 |
| 2000 | 7 | 0 |
| 2001 | 13 | 2 |
| 2002 | 9 | 18 |
| 2003 | 4 | 10 |
| 2004 | 3 | 4 |
| 2005 | 6 | 6 |
| 2006 | 14 | 5 |
| 2007 | 4 | 11 |
| 2008 | 4 | 7 |
| 2009 | 8 | 14 |
| 2010 | 7 | 9 |
| 2011 | 13 | 12 |
| 2012 | 7 | 18 |
| 2013 | 10 | 24 |
| 2014 | 24 | 19 |
| 2015 | 27 | 17 |
| 2016 | 20 | 24 |
| 2017 | 24 | 24 |
| 2018 | 22 | 14 |
| 2019 | 18 | 7 |
| 2020 | 13 | 21 |
| 2021 | 10 | 14 |
| 2022 | 10 | 22 |
| 2023 | 18 | 44 |
| 2024 | 25 | 15 |
| 2025 | 28 | 33 |
| 2026 | 10 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data packet forwarding method and apparatus, storage medium, and electronic device15 Sep 2026US 12,739,201 B2Zte Corporation
- Service data processing method and apparatus18 Aug 2026US 12,712,658 B2Huawei Technologies Co., Ltd.
- Uplink data transmission method, electronic device, and storage medium19 May 2026US 12,634,930 B2Ruijie Networks Co., Ltd.
- Method and apparatus for controlling power consumption of ONU, electronic device, and storage medium12 May 2026US 12,627,393 B2Zte Corporation
- Partial activation of a media channel on channel holder-based optical links21 Apr 2026US 12,609,782 B2Ciena Corporation
- Optical splitter of passive optical network and optical signal processing method6 Aug 2026US 2026/0230183 A1Zte Corporation
- Transmission method and apparatus, and optical communication device and storage medium6 Aug 2026US 2026/0230277 A1
- Stochastic time based photon multiplexer30 Jul 2026US 2026/0222080 A1Psiquantum, Corp.
- Burst-mode optical receiver and operation method therefor, and storage medium23 Jul 2026US 2026/0213853 A1Zte Corporation
- Device and method for configuring a voice channel in fttdp11 Jun 2026US 2026/0163924 A1NetComm Wireless Pty Ltd
Most cited
By later US patents
- Method and system for accessing multimedia data over public switched telephone network392US 5,802,283 ABell Atlantic Network Services, Inc. · 1998
- Cellular digital packet data (CDPD) network transmission system incorporating cellular link integrity monitoring275US 5,454,024 A1995
- Method and system for accessing multimedia data over public switched telephone network264US 5,528,281 ABell Atlantic Network Services, Inc. · 1996
- Control system and operations system interface for a network element in an access system244US 5,608,720 AHubbell Incorporated · 1997
- Extended range video on demand distribution system177US 5,534,912 ABell Atlantic Network Services, Inc. · 1996