H04M 15/8221

Message based

Official title: {Message based}

H04M15/8221 (Message based) appears on 114 US grants and 119 published applications in this corpus.

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Granted patents
114
Published applications
119
Assignees
69
Inventors
152
Latest grant
2 Jun 2026

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H04M 15/8221: granted patents and published applications per publication year
YearGranted patentsPublished applications
200301
200400
200512
200604
200704
200802
200924
201016
201133
201247
201378
201492
201535
2016711
201798
201857
2019116
2020138
2021710
202242
2023136
202446
202596
202621

By publication year. 2026 runs to 8 Oct.

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