CPC Main Group Additional Only
G11B 2220/00 Record carriers by type
6 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- G11B 2220/17 Card-like record carriers
- G11B 2220/20 Disc-shaped record carriers
- G11B 2220/40 Combinations of multiple record carriers
- G11B 2220/60 Solid state media
- G11B 2220/80 Indexing information stored in optical or magnetic or other strip attached to cassette or disc, e.g. barcodes attached to a recording medium
- G11B 2220/90 Tape-like record carriers
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