IPC Main Group
G11C 11/00 Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- STATIC STORES
Filing statistics
IPC G11C 11/00 belongs to the parent subclass G11C, which recorded 132,701 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,722 in 2013 to 11,789 in 2023 (+10%), peaking at 14,304 applications in 2021. The most active applicants in class G11 are MICRON TECHNOLOGY (10,574 applications), SK HYNIX (9,138 applications) and SAMSUNG ELECTRONICS COMPANY (9,004 applications).
Source: EPO PATSTAT, worldwide filings
9 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 11/5 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 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