H04M 7/121
Details of network access arrangements or protocols
Official title: {Details of network access arrangements or protocols}
H04M7/121 (Details of network access arrangements or protocols) appears on 291 US grants and 231 published applications in this corpus.
Search patents in H04M- Granted patents
- 291
- Published applications
- 231
- Assignees
- 167
- Inventors
- 553
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 19 | 0 |
| 2001 | 19 | 6 |
| 2002 | 21 | 24 |
| 2003 | 10 | 12 |
| 2004 | 13 | 15 |
| 2005 | 9 | 24 |
| 2006 | 17 | 23 |
| 2007 | 9 | 14 |
| 2008 | 17 | 15 |
| 2009 | 18 | 11 |
| 2010 | 15 | 17 |
| 2011 | 13 | 12 |
| 2012 | 19 | 8 |
| 2013 | 17 | 9 |
| 2014 | 19 | 4 |
| 2015 | 5 | 4 |
| 2016 | 8 | 7 |
| 2017 | 5 | 3 |
| 2018 | 4 | 3 |
| 2019 | 5 | 2 |
| 2020 | 6 | 4 |
| 2021 | 2 | 4 |
| 2022 | 7 | 3 |
| 2023 | 2 | 5 |
| 2024 | 3 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Media appliance27 Jan 2026US 12,537,783 B2Adeia Technologies Inc.
- Notification of devices present in a communication session17 Sep 2024US 12,095,947 B2Zoom Video Communications, Inc.
- ENUM server and congestion control method2 Apr 2024US 11,949,812 B2Nippon Telegraph and Telephone Corporation
- Transparent clock functionality in regenerative taps27 Feb 2024US 11,917,260 B2Charter Communications Operating, LLC
- OFDM and OFDMA profile assignments for cable modems2 May 2023US 11,641,428 B2ARRIS Enterprises LLC
- Media appliance12 Mar 2026US 2026/0075017 A1Adeia Technologies Inc.
- Establishing An Active Session From Multiple Communication Requests12 Dec 2024US 2024/0414268 A1Zoom Video Communications, Inc.
- System and procedure for real-time hybrid voip connections2 Nov 2023US 2023/0353682 A1Whisbi Technologies S.L.
- Transparent clock functionality in regenerative taps5 Oct 2023US 2023/0319367 A1Charter Communications Operating, LLC
- Ofdm and ofdma profile assignments for cable modems27 Jul 2023US 2023/0239410 A1ARRIS Enterprises LLC
Most cited
By later US patents
- Unified messaging system and method1,307US 5,608,786 AAlphanet Telecom Inc. · 1997
- Access to telecommunications networks in multi-service environment695US 5,610,910 ANorthern Telecom Limited · 1997
- okApparatus for a voice over IP (voIP) telephony gateway and methods for use therein511US 6,363,065 B1Quintum Technologies, Inc. · 2002
- System and method for providing a remote user with a virtual presence to an office324US 5,889,845 AData Race, Inc. · 1999
- Personal user network (closed user network) PUN/CUN317US 6,252,952 B1AT&T Corp. · 2001