Filings by year

G11B 15/54: granted patents and published applications per publication year
YearGranted patentsPublished applications
197670
197790
1978180
197950
198070
198170
1982100
198360
198470
198560
198640
198720
198850
198930
199000
199140
199240
199310
199460
199530
199680
1997110
1998130
199950
200040
200181
200235
200342
200455
200532
200610
200720
200800
200911
201000
201110
201200
201300
201413
201510
201611
201700
201810

By publication year. Applications have been published since 2001.

Recent patents

Most cited

By later US patents