H04M 2203/4536
Voicemail combined with text-based messaging
H04M2203/4536 (Voicemail combined with text-based messaging) appears on 608 US grants and 634 published applications in this corpus.
Search patents in H04M- Granted patents
- 608
- Published applications
- 634
- Assignees
- 275
- Inventors
- 996
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 10 | 0 |
| 2001 | 22 | 15 |
| 2002 | 21 | 55 |
| 2003 | 27 | 58 |
| 2004 | 35 | 45 |
| 2005 | 25 | 59 |
| 2006 | 36 | 45 |
| 2007 | 32 | 66 |
| 2008 | 31 | 57 |
| 2009 | 38 | 34 |
| 2010 | 31 | 30 |
| 2011 | 49 | 30 |
| 2012 | 45 | 30 |
| 2013 | 52 | 26 |
| 2014 | 44 | 18 |
| 2015 | 27 | 22 |
| 2016 | 24 | 14 |
| 2017 | 19 | 14 |
| 2018 | 12 | 7 |
| 2019 | 4 | 3 |
| 2020 | 3 | 1 |
| 2021 | 3 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Voicemail as a message delivered to the device1 Jul 2025US 12,348,676 B2AT&T Intellectual Property I, L. P.
- Communication forwarding based on content analysis24 Dec 2024US 12,177,385 B2Zoom Video Communications, Inc.
- Message management methods and systems15 Nov 2022US 11,503,439 B2RingCentral, Inc.
- Storing messages29 Jun 2021US 11,050,871 B2Sorenson IP Holdings, LLC
- Message management methods and systems30 Mar 2021US 10,966,063 B2RingCentral, Inc.
- Voicemail as a message delivered to the device18 Sep 2025US 2025/0294094 A1AT&T Intellectual Property I, L. P.
- Redirecting Communications Using Speech-To-Text Analysis27 Feb 2025US 2025/0071209 A1Zoom Video Communications, Inc.
- Communication Forwarding Based On Content Analysis27 Apr 2023US 2023/0126032 A1Zoom Video Communications, Inc.
- Voicemail as a message delivered to the device27 Apr 2023US 2023/0132238 A1AT&T Intellectual Property I, L. P.
- Message management methods and systems17 Jun 2021US 2021/0185490 A1RingCentral, Inc.
Most cited
By later US patents
- System and method for instant VoIP messaging1,106US 7,535,890 B2Ayalogic, Inc. · 2009
- System and method for instant VoIP messaging1,083US 8,199,747 B2Ayalogic, Inc. · 2012
- System and method for instant VoIP messaging1,081US 8,724,622 B2Empire IP LLC · 2014
- System and method for instant VoIP messaging1,081US 8,995,433 B2Empire IP LLC · 2015
- Distributed system to intelligently establish sessions between anonymous users over various networks1,052US 6,564,261 B1Telefonaktiebolaget LM Ericsson (publ) · 2003