CPC Main Group
G11B 15/00 Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function (driving or guiding heads G11B3/00 - G11B7/00, G11B21/00)
7 direct subcodes
Child Classifications
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- G11B 15/02 Control of operating function, e.g. switching from recording to reproducing
- G11B 15/18 Driving; Starting; Stopping; Arrangements for control or regulation thereof
- G11B 15/56 the record carrier having reserve loop, e.g. to minimise inertia during acceleration
- G11B 15/60 Guiding record carrier (guiding devices structurally associated with magazines or cassettes G11B23/04)
- G11B 15/675 Guiding containers
- G11B 15/70 the record carrier being an endless loop record carrier
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