H04N 21/4722

For requesting additional data associated with the content

Official title: for requesting additional data associated with the content

H04N21/4722 (For requesting additional data associated with the content) appears on 3,133 US grants and 4,281 published applications in this corpus.

Search patents in H04N
Granted patents
3,133
Published applications
4,281
Assignees
939
Inventors
5,914
Latest grant
6 Oct 2026

Filings by year

H04N 21/4722: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198200
198300
198400
198500
198620
198700
198800
198910
199000
199120
199240
199330
199430
199530
1996100
1997100
1998140
1999200
2000200
20014228
200221133
20032385
20043289
200523104
200636129
200738145
200846154
200952165
201068154
201176185
201296201
2013138250
2014238359
2015284339
2016262261
2017241208
2018211186
2019219227
2020176173
2021186156
2022138124
2023122111
2024126123
202595122
20265170

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

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