Filings by year

H04N 5/94: granted patents and published applications per publication year
YearGranted patentsPublished applications
197640
197730
197840
197930
198020
198120
198220
198370
198450
198550
198670
1987110
198880
198990
1990110
199180
1992110
1993270
1994180
1995230
1996360
1997200
1998270
1999120
2000200
200141
200232
200353
200444
200512
200664
200712
200821
200921
201021
201111
201200
201321
201412
201511
201621
201710
201820
201900
202000
202100
202201
202310

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents