CPC Main Group
G11C 11/00 Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor (G11C14/00 - G11C21/00 take precedence)
10 direct subcodes
Child Classifications
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- G11C 11/02 using magnetic elements
- G11C 11/18 using Hall-effect devices
- G11C 11/19 using non-linear reactive devices in resonant circuits
- G11C 11/21 using electric elements
- G11C 11/46 using thermoplastic elements
- G11C 11/48 using displaceable coupling elements, e.g. ferromagnetic cores, to produce change between different states of mutual or self-inductance
- G11C 11/50 using actuation of electric contacts to store the information
- G11C 11/54 using elements simulating biological cells, e.g. neuron
- G11C 11/56 using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
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