CPC Subgroup
G11B 20/02 Analogue recording or reproducing
Full Title
Signal processing not specific to the method of recording or reproducing; Circuits therefor > Analogue recording or reproducing
4 direct subcodes
Child Classifications
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- G11B 20/04 Direct recording or reproducing
- G11B 20/06 Angle-modulation recording or reproducing
- G11B 20/08 Pulse-modulation recording or reproducing (pulse-code-modulation recording G11B20/10)
Top Applicants
Top 10 applicants by patent filingsfor class G11, 2013–2023, worldwide · Source: EPO PATSTAT
- MICRON TECHNOLOGY US 12,397
- SAMSUNG ELECTRONICS COMPANY KR 12,238
- SK HYNIX KR 11,371
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 4,601
- INTEL CORPORATION US 3,874
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,866
- SANDISK TECHNOLOGIES US 3,151
- SK HYNIX 3,143
- SAMSUNG ELECTRONICS COMPANY 3,073
- WESTERN DIGITAL TECHNOLOGIES US 2,961