G11B 27/28

By using information signals recorded by the same method as the main

Official title: by using information signals recorded by the same method as the main recording {(G11B27/22 takes precedence)}

G11B27/28 (By using information signals recorded by the same method as the main) appears on 12,812 US grants and 11,117 published applications in this corpus.

Search patents in G11B
Granted patents
12,812
Published applications
11,117
Assignees
1,836
Inventors
15,601
Latest grant
15 Sep 2026

Filings by year

G11B 27/28: granted patents and published applications per publication year
YearGranted patentsPublished applications
1976170
1977190
1978240
1979160
1980250
1981180
1982390
1983360
1984430
1985580
1986610
1987800
1988780
19891180
19901100
19911010
19921170
19931430
19941860
19952370
19962730
19972720
19984140
19993760
20003840
2001383288
2002436706
2003419594
2004364756
2005292857
2006541895
20074861046
2008484816
2009511622
2010611578
2011661518
2012585352
2013567306
2014467354
2015401368
2016308372
2017362342
2018280233
2019297201
2020261189
2021221165
2022168200
2023159138
2024144102
202511074
20264945

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

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