CPC Main Group
G11B 17/00 Guiding record carriers not specifically of filamentary or web form, or of supports therefor (guiding cards or sheets G06K13/00)
6 direct subcodes
Child Classifications
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- G11B 17/02 Details
- G11B 17/08 from consecutive-access magazine of disc records
- G11B 17/22 from random access magazine of disc records
- G11B 17/32 Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
- G11B 17/34 Guiding record carriers during transducing operation, e.g. for track following (G11B17/32 takes precedence)
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