H04Q 2213/256
Call screening
H04Q2213/256 (Call screening) appears on 9 US grants and 2 published applications in this corpus.
Search patents in H04Q- Granted patents
- 9
- Published applications
- 2
- Assignees
- 6
- Inventors
- 27
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Synchronous communication using voice and text13 May 2025US 12,301,754 B2Google Inc.
- Synchronous communication using voice and text7 Nov 2023US 11,811,968 B2Google Inc.
- Digital telephone29 Jul 1997US 5,652,753 AAlcatel
- Communication apparatus10 Jan 1995US 5,381,240 ACanon Kabushiki Kaisha
- Interface for a data telephone and data terminal in a digital telephone system31 May 1994US 5,317,630 AAT&T Bell Laboratories
Most cited
By later US patents
- Communication terminal apparatus and its control method with party identification and notification features144US 5,220,599 AKabushiki Kaisha Toshiba · 1993
- Communication terminal apparatus and control method with party identification features123US 5,200,994 AKabushiki Kaisha Toshiba · 1993
- Terminal in communication network for notifying originating party's number72US 4,894,861 AKokusai Denshin Denwa Kabushiki Kaisha · 1990
- Interface for a data telephone and data terminal in a digital telephone system58US 5,317,630 AAT&T Bell Laboratories · 1994
- Communication terminal apparatus16US 5,073,922 ACanon Kabushiki Kaisha · 1991