H04N 21/4751

For defining user accounts

Official title: {for defining user accounts, e.g. accounts for children}

H04N21/4751 (For defining user accounts) appears on 883 US grants and 1,280 published applications in this corpus.

Search patents in H04N
Granted patents
883
Published applications
1,280
Assignees
355
Inventors
1,813
Latest grant
1 Sep 2026

Filings by year

H04N 21/4751: granted patents and published applications per publication year
YearGranted patentsPublished applications
199210
199300
199400
199510
199620
199710
199800
199940
200080
200173
2002536
20031042
2004680
2005753
20061144
20071460
20082079
20091978
20103875
20114663
20124064
20135760
20149493
20158061
20165471
20175355
20185339
20195645
20203527
20213938
20223929
20232632
20242721
20251818
20261214

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

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