H04N 21/4367

Establishing a secure communication between the client and a peripheral device or

Official title: Establishing a secure communication between the client and a peripheral device or smart card

H04N21/4367 (Establishing a secure communication between the client and a peripheral device or) appears on 931 US grants and 1,129 published applications in this corpus.

Search patents in H04N
Granted patents
931
Published applications
1,129
Assignees
325
Inventors
1,630
Latest grant
18 Aug 2026

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H04N 21/4367: granted patents and published applications per publication year
YearGranted patentsPublished applications
199210
199300
199400
199500
199620
199710
199850
199910
200040
200172
20021332
2003738
20041144
20051162
20063168
20071979
20083476
20094156
20104453
20115155
20125352
20137548
20145063
20157559
20166171
20175648
20185338
20194532
20203531
20213231
20223626
20232630
20242316
20252212
202667

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

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