IPC Main Group
G11B 33/00 Constructional parts, details or accessories not provided for in the other groups of this subclass
Introduced: January 1985
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
4 direct subcodes
Child Classifications
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- G11B 33/02 Cabinets; Cases; Stands; Disposition of apparatus therein or thereon
- G11B 33/1 Indicating arrangements; Warning arrangements
- G11B 33/12 Disposition of constructional parts in the apparatus, e.g. of power supply, of modules
- G11B 33/14 Reducing influence of physical parameters, e.g. temperature change, moisture, dust
Top Applicants
Top 10 applicants by patent filingsfor class G11, 2013–2023, worldwide · Source: EPO PATSTAT
- MICRON TECHNOLOGY US 10,574
- SK HYNIX KR 9,138
- SAMSUNG ELECTRONICS COMPANY KR 9,004
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 3,739
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,443
- INTEL CORPORATION US 2,952
- SANDISK TECHNOLOGIES US 2,905
- WESTERN DIGITAL TECHNOLOGIES US 2,630
- TOSHIBA CORPORATION JP 2,593
- SEAGATE TECHNOLOGY US 2,472