Filings by year

G11B 5/493: granted patents and published applications per publication year
YearGranted patentsPublished applications
197620
197720
197810
197910
198010
198100
198200
198310
198400
198500
198600
198700
198800
198910
199010
199110
199200
199320
199400
199500
199600
199710
199800
199900
200000
200101
200222
200341
200401
200511
200620
200700
200800
200900
201000
201100
201200
201300
201401
201511
201600
201700
201810
201901
202001
202121
202200
202300
202421
202521

By publication year. Applications have been published since 2001.

Subgroups

Granted patents

Recent patents

Most cited

By later US patents