Filings by year

H04N 2201/04731: granted patents and published applications per publication year
YearGranted patentsPublished applications
197810
197940
198010
198140
198240
198340
198440
198540
198620
198730
198890
1989100
1990140
1991120
1992130
1993100
1994130
1995140
1996110
1997110
1998150
1999190
2000100
2001206
2002178
20031111
20041110
2005610
200649
2007412
2008814
20091214
20101312
2011134
2012912
2013131
201452
201532
201610
201700
201812
201920
202000
202111

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents