H01Q 1/422

Comprising two or more layers of dielectric material

Official title: {comprising two or more layers of dielectric material (H01Q1/425 takes precedence)}

H01Q1/422 (Comprising two or more layers of dielectric material) appears on 481 US grants and 576 published applications in this corpus.

Search patents in H01Q
Granted patents
481
Published applications
576
Assignees
297
Inventors
1,408
Latest grant
29 Sep 2026

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H01Q 1/422: granted patents and published applications per publication year
YearGranted patentsPublished applications
197940
198000
198100
198220
198300
198410
198520
198620
198720
198820
198900
199020
199110
199200
199310
199420
199520
199630
199720
199830
199900
200040
200140
200212
200301
200419
200568
200662
200732
200816
200936
201057
201189
201269
201396
201498
2015515
2016912
20171620
20181131
20192639
20203652
20213658
20224277
20235265
20245458
20256043
20263731

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

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