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)
Introduced: September 1968
Title
Titles differ between systems:
IPC: Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
CPC: Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor (G11C14/00 - G11C21/00 take precedence)
Full Title
Full titles differ between systems:
Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor (G11C14/00 - G11C21/00 take precedence)
Of 10 combined children, 9 exist in both systems.
1 codes are CPC-only extensions.
Child Classifications
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- G11C 11/19 using non-linear reactive devices in resonant circuits since 1974 IPC+CPC Available in IPC and CPC
- G11C 11/48 using displaceable coupling elements, e.g. ferromagnetic cores, to produce change between different states of mutual or self-inductance IPC+CPC Available in IPC and CPC
- G11C 11/50 using actuation of electric contacts to store the information IPC+CPC Available in IPC and CPC
- G11C 11/56 using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency since 1974 +10 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
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
Top Applicants (CPC)
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