H04M 2215/34
Roaming
H04M2215/34 (Roaming) appears on 165 US grants and 172 published applications in this corpus.
Search patents in H04M- Granted patents
- 165
- Published applications
- 172
- Assignees
- 99
- Inventors
- 397
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 4 | 0 |
| 2001 | 7 | 8 |
| 2002 | 11 | 11 |
| 2003 | 10 | 19 |
| 2004 | 13 | 20 |
| 2005 | 10 | 22 |
| 2006 | 13 | 11 |
| 2007 | 17 | 12 |
| 2008 | 4 | 7 |
| 2009 | 8 | 10 |
| 2010 | 5 | 3 |
| 2011 | 9 | 10 |
| 2012 | 7 | 6 |
| 2013 | 7 | 3 |
| 2014 | 5 | 3 |
| 2015 | 4 | 6 |
| 2016 | 4 | 7 |
| 2017 | 7 | 4 |
| 2018 | 4 | 2 |
| 2019 | 1 | 4 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Data volume exchange server, international communication system, data volume exchange method, and data volume exchange program15 Sep 2026US 12,739,603 B2NTT, Inc.
- Packet data connectivity control with volume charged service limitation12 Nov 2024US 12,143,528 B2Telefonaktiebolaget'l M Ericsson (Publ)
- Method and apparatus for verifying the correctness of a roaming account balance27 Sep 2022US 11,457,111 B2Huawei Technologies Co., Ltd.
- Method and apparatus for providing roaming service21 Sep 2021US 11,128,757 B2Samsung Electronics Co., Ltd.
- Enhanced communication platform and related communication method using the platform12 Jan 2021US 10,891,598 B2Upaid Systems, Ltd.
- Charging method and device25 Jul 2024US 2024/0251041 A1Huawei Technologies Co., Ltd.
- Data volume exchange server, international communication system, data volume exchange method, and data volume exchange program6 Jul 2023US 2023/0217219 A1Nippon Telegraph and Telephone Corporation
- Roaming Charging Method and Apparatus18 Mar 2021US 2021/0084174 A1Huawei Technologies Co., Ltd.
- Assistance to mobile operators in the provision of data services in the visited mobile network1 Oct 2020US 2020/0314605 A1UAB Demolita
- Enhanced communication platform and related communication method using the platform3 Oct 2019US 2019/0303934 A1Upaid Systems, Ltd.
Most cited
By later US patents
- Enhanced communication platform and related communication method using the platform359US 6,381,316 B2Unpaid Systems, Ltd. · 2002
- Prepay telecommunications system322US 6,058,300 ANational Telemanagement Corporation · 2000
- Online charging for sessions that are transferred between network domains224US 8,483,135 B2Alcatel Lucent · 2013
- Method and system for dynamic location-based zone assignment for a wireless communication network205US 6,424,840 B1SignalSoft Corp. · 2002
- Method and apparatus for over-the-air activation of neighborhood cordless-type services201US 7,181,207 B1AT&T Corp. · 2007