H04L 61/4555
Directories for electronic mail or instant messaging
Official title: {Directories for electronic mail or instant messaging}
H04L61/4555 (Directories for electronic mail or instant messaging) appears on 186 US grants and 218 published applications in this corpus.
Search patents in H04L- Granted patents
- 186
- Published applications
- 218
- Assignees
- 122
- Inventors
- 357
- Latest grant
- 6 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 15 |
| 2003 | 6 | 19 |
| 2004 | 8 | 15 |
| 2005 | 3 | 12 |
| 2006 | 12 | 20 |
| 2007 | 10 | 16 |
| 2008 | 12 | 13 |
| 2009 | 8 | 6 |
| 2010 | 12 | 11 |
| 2011 | 8 | 7 |
| 2012 | 8 | 9 |
| 2013 | 15 | 11 |
| 2014 | 10 | 7 |
| 2015 | 8 | 7 |
| 2016 | 11 | 17 |
| 2017 | 4 | 7 |
| 2018 | 9 | 6 |
| 2019 | 9 | 8 |
| 2020 | 6 | 6 |
| 2021 | 6 | 2 |
| 2022 | 4 | 2 |
| 2023 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Automated lightweight database access protocol secure/multipurpose internet mail extensions key server6 Jun 2023US 11,671,453 B2
- Customizable communications platform18 Apr 2023US 11,631,146 B2Geneva Technologies, LLC
- Method and apparatus for filtering undesired email messages6 Sep 2022US 11,438,292 B1EMC IP Holding Company LLC
- Systems and methods for screening electronic communications19 Jul 2022US 11,394,677 B2Capital One Services, LLC
- Systems and methods for controlling electronic message transmissions21 Jun 2022US 11,368,422 B1Shopify Inc.
- Automated Lightweight Database Access Protocol Secure/Multipurpose Internet Mail Extensions Key Server22 Dec 2022US 2022/0407888 A1
- Methods and systems for creating online unified contact and communication management (cm) platform6 Jan 2022US 2022/0005290 A1
- Customizable Communications Platform15 Jul 2021US 2021/0217106 A1Geneva Technologies, LLC
- Systems and methods for screening electronic communications28 Jan 2021US 2021/0029068 A1Capital One Services, LLC
- Identification of a significant communication from a revived contact12 Nov 2020US 2020/0358740 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Internet hosting system761US 6,449,657 B2Namezero.Com, Inc. · 2002
- Techniques for providing add-on services for an email system470US 6,836,792 B1Trend Micro Incorporated · 2004
- Directory server for providing dynamically assigned network protocol addresses466US 6,185,184 B2NetSpeak Corporation · 2001
- Point-to-point computer network communication utility utilizing dynamically assigned network protocol addresses418US 6,131,121 ANetSpeak Corporation · 2000
- Value-added electronic messaging services and transparent implementation thereof using intermediate server415US 6,650,890 B1Postini, Inc. · 2003