G11C 11/56 using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
Introduced: July 1974
Full Title
Full titles differ between systems:
Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor > using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor (G11C14/00 - G11C21/00 take precedence) > using storage elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency
Additional Content IPC
Counting arrangements comprising multi-stable elements with more than two stable states represented by steps, e.g. of voltage, current, phase, frequency ,
Of 10 combined children, 0 exist in both systems.
10 codes are CPC-only extensions.
Child Classifications
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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