Granted patents
111
Published applications
49
Assignees
78
Inventors
150
Latest grant
1 Sep 2026

Filings by year

H02M 3/3387: granted patents and published applications per publication year
YearGranted patentsPublished applications
197650
1977100
197850
197910
198030
198140
198260
198310
198410
198540
198640
198720
198810
198910
199000
199130
199210
199310
199400
199520
199600
199720
199800
199930
200030
200130
200200
200303
200441
200522
200617
200722
200832
200940
201011
201112
201204
2013110
201452
201533
201663
201731
201831
201932
202011
202100
202201
202310
202400
202501
202610

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

Subgroups

Granted patents

Recent patents

Most cited

By later US patents