H04M 2201/00
Electronic components, circuits, software, systems or apparatus used in telephone systems
H04M2201/00 (Electronic components, circuits, software, systems or apparatus used in telephone systems) appears on 7,375 US grants and 7,227 published applications in this corpus.
Search patents in H04M- Granted patents
- 7,375
- Published applications
- 7,227
- Assignees
- 1,807
- Inventors
- 12,736
- Latest grant
- 6 Oct 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 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 14 | 0 |
| 1990 | 16 | 0 |
| 1991 | 11 | 0 |
| 1992 | 16 | 0 |
| 1993 | 25 | 0 |
| 1994 | 29 | 0 |
| 1995 | 35 | 0 |
| 1996 | 47 | 0 |
| 1997 | 47 | 0 |
| 1998 | 104 | 0 |
| 1999 | 121 | 0 |
| 2000 | 103 | 0 |
| 2001 | 136 | 93 |
| 2002 | 164 | 268 |
| 2003 | 159 | 272 |
| 2004 | 167 | 269 |
| 2005 | 131 | 286 |
| 2006 | 202 | 290 |
| 2007 | 169 | 326 |
| 2008 | 163 | 338 |
| 2009 | 152 | 301 |
| 2010 | 198 | 308 |
| 2011 | 244 | 229 |
| 2012 | 336 | 216 |
| 2013 | 399 | 258 |
| 2014 | 401 | 295 |
| 2015 | 295 | 275 |
| 2016 | 343 | 291 |
| 2017 | 405 | 356 |
| 2018 | 369 | 308 |
| 2019 | 395 | 253 |
| 2020 | 369 | 345 |
| 2021 | 344 | 388 |
| 2022 | 298 | 328 |
| 2023 | 333 | 350 |
| 2024 | 248 | 235 |
| 2025 | 258 | 175 |
| 2026 | 115 | 174 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04M 2201/40Electronic components, circuits, software, systems or apparatus used in telephone systems: usingIndexing code2,729
- H04M 2201/38DisplaysIndexing code1,288
- H04M 2201/60Medium conversionIndexing code1,120
- H04M 2201/42Graphical user interfacesIndexing code835
- H04M 2201/18ComparatorsIndexing code615
- H04M 2201/14Delay circuitsIndexing code485
- H04M 2201/50Telephonic communication in combination with video communicationIndexing code448
- H04M 2201/41Electronic components, circuits, software, systems or apparatus used in telephone systems: usingIndexing code429
All 27 subgroupsShow fewer
- H04M 2201/39Electronic components, circuits, software, systems or apparatus used in telephone systems: usingIndexing code323
- H04M 2201/36MemoriesIndexing code308
- H04M 2201/12Counting circuitsIndexing code215
- H04M 2201/16Sequence circuitsIndexing code150
- H04M 2201/22Synchronisation circuitsIndexing code134
- H04M 2201/52Telephonic communication in combination with fax communicationIndexing code73
- H04M 2201/10Logic circuitsIndexing code44
- H04M 2201/54Object oriented softwareIndexing code39
- H04M 2201/08Magnetic elementsIndexing code31
- H04M 2201/80Line protection circuits such as current or overvoltage protection circuitsIndexing code20
- H04M 2201/20ScannersIndexing code18
- H04M 2201/26A/d convertorsIndexing code17
- H04M 2201/06Integrated circuitsIndexing code15
- H04M 2201/32Personal computersIndexing code15
- H04M 2201/34MicroprocessorsIndexing code15
- H04M 2201/02DiodesIndexing code14
- H04M 2201/30PcmIndexing code6
- H04M 2201/04TransistorsIndexing code3
- H04M 2201/28S/p convertorsIndexing code1
Recent patents
- Adapting AI voice interactions based on caller voice characteristics6 Oct 2026US 12,756,781 B1Rapidsos, Inc.
- Systems, devices and methods for electronic determination and communication of location information29 Sep 2026US 12,748,913 B2
- Mobile terminal29 Sep 2026US 12,750,438 B2LG Electronics Inc.
- Terminal device22 Sep 2026US 12,744,842 B2
- Lifecycle management for progressing user interactions via live agent and smart digital agent22 Sep 2026US 12,744,848 B1United Services Automobile Association (USAA)
- Electronic device and method for performing audio communication between first space and second space1 Oct 2026US 2026/0299872 A1Realtek Semiconductor Corp.
- Multi-agent system for automated customer service with dynamic agent generation24 Sep 2026US 2026/0289151 A1Twilio Inc.
- Electronic device comprising conductive member having slot and recess in order to operate as antenna24 Sep 2026US 2026/0292052 A1Samsung Electronics Co., Ltd.
- System and method for handling unwanted calls and messages24 Sep 2026US 2026/0292056 A1AT&T Intellectual Property I, L. P.
- Method/system to identify, extract, and convey key words, phrases, and meanings in service of emergency communications (e.g., voice, text, and video)24 Sep 2026US 2026/0292065 A1Intrado Life & Safety, Inc.
Most cited
By later US patents
- Method and system for accessing CRM data via voice2,268US 6,804,330 B1Siebel Systems, Inc. · 2004
- System and method for generating a dynamic interface via a communications network2,178US 6,850,949 B2Right Now Technologies, Inc. · 2005
- Personal communications internetworking1,899US 5,742,905 ABell Communications Research, Inc. · 1998
- Method and device for obtaining playlist content over a network1,821US 8,045,952 B2Horsham Enterprises, LLC · 2011
- System, method and article of manufacture for communications utilizing calling, plans in a hybrid network1,175US 5,867,495 AMCI Communications Corporations · 1999