H04N 3/09

For electromagnetic radiation in the invisible region

Official title: for electromagnetic radiation in the invisible region, e.g. infrared

H04N3/09 (For electromagnetic radiation in the invisible region) appears on 175 US grants and 39 published applications in this corpus.

Search patents in H04N
Granted patents
175
Published applications
39
Assignees
89
Inventors
225
Latest grant
10 Jun 2025

Filings by year

H04N 3/09: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197740
197880
197930
198060
198150
198240
198340
198480
198560
198650
198790
198830
198970
199040
199170
199270
199350
199450
199570
199640
199770
199810
199910
200020
200100
200200
200301
200401
200501
200630
200700
200800
200900
201000
201112
201202
201300
201421
201544
201632
201733
201841
201972
202043
202113
202236
202344
202451
202522

By publication year. Applications have been published since 2001.

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