H04N 21/4854

For modifying image parameters

Official title: {for modifying image parameters, e.g. image brightness, contrast}

H04N21/4854 (For modifying image parameters) appears on 522 US grants and 708 published applications in this corpus.

Search patents in H04N
Granted patents
522
Published applications
708
Assignees
235
Inventors
1,420
Latest grant
15 Sep 2026

Filings by year

H04N 21/4854: granted patents and published applications per publication year
YearGranted patentsPublished applications
197710
197800
197900
198000
198100
198200
198300
198400
198510
198600
198700
198800
198900
199010
199110
199200
199310
199400
199510
199600
199710
199820
199930
200000
200163
2002020
200348
2004618
2005521
2006824
2007832
20081121
20091128
2010109
20111231
20122835
20131438
20143121
20151335
20162928
20172338
20182936
20193228
20204936
20213238
20223442
20233235
20243427
20253631
20261325

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

Recent patents

Most cited

By later US patents