CPC Subgroup Additional Only
G11C 2211/564 Miscellaneous aspects
Full Title
Indexing scheme relating to digital stores characterized by the use of particular electric or magnetic storage elements; Storage elements therefor > Indexing scheme relating to G11C11/56 and sub-groups for features not covered by these groups > Miscellaneous aspects
10 direct subcodes
Child Classifications
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- G11C 2211/5641 Multilevel memory having cells with different number of storage levels
- G11C 2211/5642 Multilevel memory with buffers, latches, registers at input or output
- G11C 2211/5643 Multilevel memory comprising cache storage devices
- G11C 2211/5644 Multilevel memory comprising counting devices
- G11C 2211/5645 Multilevel memory with current-mirror arrangements
- G11C 2211/5646 Multilevel memory with flag bits, e.g. for showing that a "first page" of a word line is programmed but not a "second page"
- G11C 2211/5647 Multilevel memory with bit inversion arrangement
- G11C 2211/5648 Multilevel memory programming, reading or erasing operations wherein the order or sequence of the operations is relevant
- G11C 2211/5649 Multilevel memory with plate line or layer, e.g. in order to lower programming voltages
- G11C 2211/565 Multilevel memory comprising elements in triple well structure
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