H04N 1/411

For the transmission or storage or reproduction of two-tone pictures

Official title: for the transmission {or storage} or reproduction of two-tone pictures, e.g. black and white pictures

H04N1/411 (For the transmission or storage or reproduction of two-tone pictures) appears on 772 US grants and 270 published applications in this corpus.

Search patents in H04N
Granted patents
772
Published applications
270
Assignees
228
Inventors
1,164
Latest grant
31 Mar 2026

Filings by year

H04N 1/411: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976170
1977170
1978260
1979140
1980230
1981190
1982130
1983100
1984110
1985200
1986240
1987220
1988190
1989250
1990190
1991160
1992210
1993210
1994310
1995150
1996240
1997150
1998250
1999210
2000230
2001127
20021221
2003717
2004176
20051016
20061514
20071213
20081411
200988
2010126
2011715
20121414
20131212
20142310
2015117
20161011
20171218
20181818
20191313
20201710
202197
2022810
202333
202420
202523
202610

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents