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H04M 15/8257

Unit based

Official title: {Unit based}

H04M15/8257 (Unit based) appears on 27 US grants and 39 published applications in this corpus.

Search patents in H04M

Granted patents: 27
Published applications: 39
Assignees: 14
Inventors: 43
Latest grant: 3 Feb 2026

Filings by year

H04M 15/8257: granted patents and published applications per publication year
Year	Granted patents	Published applications
2004	0	1
2005	0	4
2006	0	2
2007	0	0
2008	2	2
2009	1	1
2010	0	2
2011	3	3
2012	1	1
2013	1	1
2014	4	4
2015	1	2
2016	2	1
2017	2	0
2018	1	2
2019	1	2
2020	1	1
2021	1	2
2022	2	1
2023	0	1
2024	2	4
2025	1	1
2026	1	1

By publication year. 2026 runs to 8 Oct.

Recent patents

Adapting network policies based on device service processor configuration3 Feb 2026US 12,543,031 B2Headwater Research LLC
Device assisted CDR creation, aggregation, mediation and billing19 Aug 2025US 12,395,591 B2Headwater Research LLC
Device assisted CDR creation, aggregation, mediation and billing24 Sep 2024US 12,101,434 B2Headwater Research LLC
Device assisted CDR creation, aggregation, mediation and billing4 Jun 2024US 12,003,661 B1Headwater Research LLC
Flexible charging mechanism for shared spectrum usage8 Nov 2022US 11,496,629 B2Nokia Solutions and Networks Oy

Most cited

By later US patents