H04J 2203/0089
Multiplexing
Official title: Multiplexing, e.g. coding, scrambling, SONET
H04J2203/0089 (Multiplexing) appears on 686 US grants and 446 published applications in this corpus.
Search patents in H04J- Granted patents
- 686
- Published applications
- 446
- Assignees
- 197
- Inventors
- 1,277
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 13 | 0 |
| 1994 | 18 | 0 |
| 1995 | 18 | 0 |
| 1996 | 20 | 0 |
| 1997 | 12 | 0 |
| 1998 | 31 | 0 |
| 1999 | 29 | 0 |
| 2000 | 18 | 0 |
| 2001 | 29 | 18 |
| 2002 | 18 | 56 |
| 2003 | 28 | 36 |
| 2004 | 36 | 37 |
| 2005 | 28 | 30 |
| 2006 | 41 | 26 |
| 2007 | 27 | 33 |
| 2008 | 33 | 21 |
| 2009 | 33 | 14 |
| 2010 | 30 | 26 |
| 2011 | 30 | 16 |
| 2012 | 24 | 12 |
| 2013 | 24 | 23 |
| 2014 | 15 | 10 |
| 2015 | 18 | 9 |
| 2016 | 24 | 13 |
| 2017 | 9 | 8 |
| 2018 | 5 | 11 |
| 2019 | 11 | 10 |
| 2020 | 10 | 10 |
| 2021 | 6 | 10 |
| 2022 | 10 | 6 |
| 2023 | 10 | 5 |
| 2024 | 2 | 3 |
| 2025 | 1 | 2 |
| 2026 | 5 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Service data processing method and apparatus18 Aug 2026US 12,712,658 B2Huawei Technologies Co., Ltd.
- Time slot allocation processing method, device and storage medium28 Apr 2026US 12,615,100 B2China Mobile Communication Co., Ltd Research Insitute
- FlexO/ZR subrating and partial survivability21 Apr 2026US 12,609,766 B2Ciena Corporation
- Service processing method and apparatus and device17 Mar 2026US 12,580,671 B2Huawei Technologies Co., Ltd.
- Intensity-based optical multiplexing systems and methods20 Jan 2026US 12,531,647 B2
- Coordinated Layer-0 and Layer-1 Control for Right-Sizing Optical Interfaces6 Aug 2026US 2026/0230177 A1Ciena Corporation
- Method, Device, and System for Clock Recovery13 Nov 2025US 2025/0350390 A1Huawei Technologies Co., Ltd.
- Communication control apparatus, communication apparatus, communication system, storage medium, and communication control method18 Sep 2025US 2025/0293791 A1NEC Corporation
- Service data processing method and apparatus26 Sep 2024US 2024/0322934 A1Huawei Technologies Co., Ltd.
- Time slot allocation processing method, device and storage medium2 May 2024US 2024/0146433 A1China Mobile Communication Co., Ltd Research Institute
Most cited
By later US patents
- Set-top electronics and network interface unit arrangement422US 5,886,732 ASamsung Information Systems America · 1999
- Method and apparatus enabling synchronous transfer mode and packet mode access for multiple services on a broadband communication network359US 5,570,355 ALucent Technologies Inc. · 1996
- Frequency agile broadband communications system258US 5,594,726 AScientific-Atlanta, Inc. · 1997
- Reverse path multiplexer for use in high speed data transmissions245US 6,137,793 ACOM21, Inc. · 2000
- Method and apparatus for interconnecting ATM-attached hosts with telephone-network attached hosts227US 5,737,333 AAT&T Corp. · 1998