H04N 21/8352

Involving content or source identification data

Official title: involving content or source identification data, e.g. Unique Material Identifier [UMID]

H04N21/8352 (Involving content or source identification data) appears on 1,287 US grants and 1,526 published applications in this corpus.

Search patents in H04N
Granted patents
1,287
Published applications
1,526
Assignees
445
Inventors
2,178
Latest grant
25 Aug 2026

Filings by year

H04N 21/8352: granted patents and published applications per publication year
YearGranted patentsPublished applications
198010
198100
198200
198300
198400
198500
198600
198730
198800
198910
199010
199100
199220
199320
199420
199500
199640
199740
199810
199950
200040
2001109
2002767
20031154
20041455
2005950
20062851
20071364
20081454
20093259
20106863
20115740
20124954
20135667
20149295
20158487
20168385
20178889
20187055
20196067
20207571
20217370
20226448
20237166
20246049
20254138
20262819

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

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