Filings by year

H04N 2201/33307: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197810
197910
198010
198110
198210
198310
198410
198540
198650
198750
198860
1989110
1990110
1991130
1992180
1993100
1994140
1995160
1996180
1997170
1998370
1999520
2000360
20013936
200255102
20034288
20046079
20055289
200658108
20075683
20086378
20094666
20105161
20118447
20126142
20136726
20145432
20153713
20162317
20171418
20181615
20191712
2020107
202141
202242
202321
202402
202531

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents