H04M 2203/509

Microphone arrays

H04M2203/509 (Microphone arrays) appears on 65 US grants and 81 published applications in this corpus.

Search patents in H04M
Granted patents
65
Published applications
81
Assignees
44
Inventors
175
Latest grant
25 Aug 2026

Filings by year

H04M 2203/509: granted patents and published applications per publication year
YearGranted patentsPublished applications
200501
200600
200700
200800
200900
201021
201100
201203
201306
201415
2015310
201692
201797
201875
201964
202046
202157
202233
2023611
202425
202565
202620

By publication year. 2026 runs to 8 Oct.

Recent patents

Most cited

By later US patents