H04W 4/12

Messaging

Official title: Messaging; Mailboxes; Announcements

H04W4/12 (Messaging) appears on 12,249 US grants and 14,298 published applications in this corpus.

Search patents in H04W
Granted patents
12,249
Published applications
14,298
Assignees
3,093
Inventors
20,079
Latest grant
6 Oct 2026

Filings by year

H04W 4/12: granted patents and published applications per publication year
YearGranted patentsPublished applications
198710
198800
198910
199010
199120
199240
199330
199460
199590
1996230
1997290
1998550
1999530
2000910
20018465
2002100201
200390208
200493319
2005106342
2006192354
2007175409
2008163410
2009183434
2010239488
2011324478
2012508568
2013609733
2014747856
20157601013
20169111121
2017932980
2018833837
2019971778
2020881884
2021764696
2022633646
2023579481
2024491403
2025397349
2026206245

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