CPC Subgroup
G11B 21/16 Supporting the heads; Supporting the sockets for plug-in heads
Full Title
Head arrangements not specific to the method of recording or reproducing > Supporting the heads; Supporting the sockets for plug-in heads
5 direct subcodes
Child Classifications
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- G11B 21/18 while the head is moving
- G11B 21/20 while the head is in operative position but stationary or permitting minor movements to follow irregularities in surface of record carrier
- G11B 21/22 while the head is out of operative position
- G11B 21/24 Head support adjustments
- G11B 21/26 Means for interchange or replacement of head or head element
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