H04L 61/45
Network directories
Official title: Network directories; Name-to-address mapping
H04L61/45 (Network directories) appears on 10,473 US grants and 11,553 published applications in this corpus.
Search patents in H04L- Granted patents
- 10,473
- Published applications
- 11,553
- Assignees
- 2,241
- Inventors
- 16,775
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 31 | 0 |
| 1999 | 43 | 0 |
| 2000 | 81 | 0 |
| 2001 | 86 | 81 |
| 2002 | 89 | 345 |
| 2003 | 101 | 306 |
| 2004 | 159 | 283 |
| 2005 | 129 | 342 |
| 2006 | 198 | 382 |
| 2007 | 208 | 384 |
| 2008 | 204 | 418 |
| 2009 | 242 | 347 |
| 2010 | 339 | 410 |
| 2011 | 346 | 352 |
| 2012 | 405 | 477 |
| 2013 | 476 | 499 |
| 2014 | 474 | 539 |
| 2015 | 544 | 539 |
| 2016 | 528 | 657 |
| 2017 | 610 | 682 |
| 2018 | 593 | 628 |
| 2019 | 727 | 648 |
| 2020 | 763 | 617 |
| 2021 | 676 | 609 |
| 2022 | 596 | 532 |
| 2023 | 589 | 479 |
| 2024 | 546 | 448 |
| 2025 | 431 | 350 |
| 2026 | 236 | 199 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 61/4505Using standardised directories6,671
- H04L 61/4552Lookup mechanisms between a plurality of directories819
- H04L 61/4541Directories for service discovery790
- H04L 61/4557Directories for hybrid networks735
- H04L 61/4535Using an address exchange platform which sets up a session between two595
- H04L 61/4594Address books, i.e. directories containing contact information about correspondents537
- H04L 61/4588Containing mobile subscriber information426
- H04L 61/457Containing identifiers of data entities on a computer261
Recent patents
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- Applying natural language processing anomaly measures as features for DNS tunneling detection6 Oct 2026US 12,756,729 B2Infoblox Inc.
- Systems and methods for preserving privacy of a registrant in a domain name system (“DNS”)29 Sep 2026US 12,750,243 B2VeriSign, Inc.
- Method and apparatus for communication between application client (ac) and edge enabler client (eec) in a wireless communication system8 Oct 2026US 2026/0313017 A1Samsung Electronics Co., Ltd.
- Relay device, relay method, and non-transitory computer-readable storage medium storing program8 Oct 2026US 2026/0313047 A1NTT, Inc.
- Systems and methods for managing discardable email addresses1 Oct 2026US 2026/0303348 A1
- Systems and methods for failover and recovery of distributed internet services1 Oct 2026US 2026/0303443 A18x8, Inc.
- Domain name system filtering at edge network device1 Oct 2026US 2026/0303563 A1Sophos Limited
Most cited
By later US patents
- Method of accessing a target entity over a communications network1,177US 6,131,095 AHewlett-Packard Company · 2000
- System, method and article of manufacture for communications utilizing calling, plans in a hybrid network1,175US 5,867,495 AMCI Communications Corporations · 1999
- Global hosting system1,155US 6,108,703 AMassachusetts Institute of Technology · 2000
- Method for providing communication services over a computer network system1,006US 6,332,163 B1Accenture LLP · 2001
- Content delivery network (CDN) content server request handling mechanism with metadata framework support987US 7,240,100 B1Akamai Technologies, Inc. · 2007