H04M 1/656
For recording conversations
Official title: for recording conversations
H04M1/656 (For recording conversations) appears on 395 US grants and 387 published applications in this corpus.
Search patents in H04M- Granted patents
- 395
- Published applications
- 387
- Assignees
- 188
- Inventors
- 741
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 10 | 0 |
| 2000 | 9 | 0 |
| 2001 | 8 | 11 |
| 2002 | 11 | 17 |
| 2003 | 9 | 20 |
| 2004 | 12 | 23 |
| 2005 | 7 | 16 |
| 2006 | 11 | 18 |
| 2007 | 8 | 21 |
| 2008 | 11 | 20 |
| 2009 | 7 | 19 |
| 2010 | 12 | 12 |
| 2011 | 13 | 17 |
| 2012 | 21 | 15 |
| 2013 | 16 | 20 |
| 2014 | 23 | 27 |
| 2015 | 29 | 28 |
| 2016 | 27 | 17 |
| 2017 | 22 | 11 |
| 2018 | 15 | 8 |
| 2019 | 16 | 11 |
| 2020 | 19 | 17 |
| 2021 | 10 | 6 |
| 2022 | 6 | 7 |
| 2023 | 10 | 7 |
| 2024 | 8 | 9 |
| 2025 | 5 | 4 |
| 2026 | 4 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method of determining auditory context information12 May 2026US 12,626,723 B2QUALCOMM Incorporated
- Artificial intelligence based technologies for improving patient appointment scheduling and inventory management7 Apr 2026US 12,597,511 B2Cdw LLC
- Wireless communication device and wireless communication method31 Mar 2026US 12,592,740 B2JVCKENWOOD Corporation
- Method for transmitting call audio data and apparatus10 Mar 2026US 12,574,458 B2Honor Device Co., Ltd.
- Selective recording of multiuser calls24 Jun 2025US 12,341,926 B2QUALCOMM Incorporated
- Non-acoustic sensor based audio logging control related applications17 Sep 2026US 2026/0279396 A1QUALCOMM Incorporated
- Hands-free device for vehicles and method of controlling the same20 Aug 2026US 2026/0246865 A1Hyundai Motor Company
- Artificial Intelligence Based Technologies for Improving Patient Appointment Scheduling and Inventory Management30 Jul 2026US 2026/0221274 A1Cdw LLC
- Context Retrieval And Output By A Client Device In A Peer-To-Peer Push-To-Talk System23 Apr 2026US 2026/0113366 A1Zoom Communications, Inc.
- Electronic device for performing call and operation method therefor16 Apr 2026US 2026/0104852 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Information communication terminal device531US 6,069,648 AHitachi, Ltd. · 2000
- Device and method for selective recall and preservation of events prior to decision to record the events286US 6,804,638 B2Recent Memory Incorporated · 2004
- Method and system for event notifications285US 8,068,604 B2Computer Product Introductions Corporation · 2011
- Call recording system and method for use with a telephonic switch271US 5,923,746 ARockwell International Corporation · 1999
- System and method for telephone call recording and recorded call retrieval225US 6,792,093 B22004