CPC Subgroup
G11B 23/08 for housing webs or filaments having two distinct ends
Full Title
Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus > Containers; Storing means > Magazines; Cassettes (G11B23/12 takes precedence ) > for housing webs or filaments having two distinct ends
2 direct subcodes
Child Classifications
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- G11B 23/087 using two different reels or cores
- G11B 23/107 using one reel or core, one end of the record carrier coming out of the magazine or cassette
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