H04N 25/21

For transforming thermal infrared radiation into image signals

Official title: for transforming thermal infrared radiation into image signals

H04N25/21 (For transforming thermal infrared radiation into image signals) appears on 169 US grants and 148 published applications in this corpus.

Search patents in H04N
Granted patents
169
Published applications
148
Assignees
95
Inventors
338
Latest grant
8 Sep 2026

Filings by year

H04N 25/21: granted patents and published applications per publication year
YearGranted patentsPublished applications
197610
197700
197800
197900
198000
198100
198200
198300
198400
198500
198600
198700
198800
198930
199060
199150
199220
199350
199410
199520
199620
199710
199810
199900
200010
200123
200257
200375
200465
200545
200652
200721
200823
200907
201085
201140
201210
201331
201407
201518
201614
2017106
2018101
201947
2020417
20211610
202285
2023611
20241214
202599
202695

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

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