H04M 15/41
Billing record details, i.e. parameters, identifiers, structure of call data record [cdr]
Official title: {Billing record details, i.e. parameters, identifiers, structure of call data record [CDR]}
H04M15/41 (Billing record details, i.e. parameters, identifiers, structure of call data record [cdr]) appears on 1,517 US grants and 1,581 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,517
- Published applications
- 1,581
- Assignees
- 493
- Inventors
- 2,682
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 16 | 0 |
| 2001 | 14 | 15 |
| 2002 | 34 | 62 |
| 2003 | 50 | 62 |
| 2004 | 48 | 80 |
| 2005 | 40 | 85 |
| 2006 | 53 | 65 |
| 2007 | 55 | 49 |
| 2008 | 38 | 50 |
| 2009 | 43 | 26 |
| 2010 | 40 | 44 |
| 2011 | 43 | 36 |
| 2012 | 49 | 49 |
| 2013 | 63 | 54 |
| 2014 | 77 | 84 |
| 2015 | 91 | 90 |
| 2016 | 87 | 85 |
| 2017 | 78 | 63 |
| 2018 | 69 | 66 |
| 2019 | 90 | 103 |
| 2020 | 79 | 70 |
| 2021 | 66 | 68 |
| 2022 | 71 | 86 |
| 2023 | 57 | 65 |
| 2024 | 79 | 54 |
| 2025 | 44 | 43 |
| 2026 | 17 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Charging method, apparatus, and system11 Aug 2026US 12,707,236 B2Huawei Technologies Co., Ltd.
- Procedure CDR generation for a RAN parser30 Jun 2026US 12,671,768 B2TC France S.A.S.
- LAN group charging method and related apparatus16 Jun 2026US 12,659,704 B2Huawei Technologies Co., Ltd.
- MME writer and identity service for ran parser9 Jun 2026US 12,652,355 B2TC France S.A.S.
- Provisioning framework supporting plural different networks26 May 2026US 12,641,183 B2Cisco Technology, Inc.
- Intermediate Networking Devices13 Aug 2026US 2026/0239108 A1Headwater Research LLC
- Method and Apparatus for Charging6 Aug 2026US 2026/0230778 A1
- Techniques for optimizing application development on a cellular network30 Jul 2026US 2026/0219843 A1T-Mobile USA, Inc.
- A system for calculating the time of device change23 Jul 2026US 2026/0212378 A1Turkcell Teknoloji Arastirma Ve Gelistirme Anonim Sirketi
- Mitigating leakage for telecommunications service providers2 Jul 2026US 2026/0189660 A1
Most cited
By later US patents
- Integrated customer interface for web based data management455US 6,615,258 B1WorldCom, Inc. · 2003
- System and method for billing for transactions conducted over the internet from within an intranet395US 5,845,267 AAT&T Corp. · 1998
- Service level management in a hybrid network architecture361US 6,556,659 B1Accenture LLP · 2003
- Graphical user interface for Web enabled applications360US 6,115,040 AMCI Communications Corporation · 2000
- Integrated customer web station for web based call management330US 6,956,845 B2MCI, Inc. · 2005