IPC Subgroup
G11C 11/21 using electric elements
Introduced: July 1974
Last revised: January 2006
Full Title
Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor > using electric elements
Classification Context
- Section:
- PHYSICS
- Class:
- INFORMATION STORAGE
- Subclass:
- STATIC STORES
7 direct subcodes
Child Classifications
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- G11C 11/22 using ferroelectric elements
- G11C 11/23 using electrostatic storage on a common layer, e.g. Forrester-Haeff tubes
- G11C 11/24 using capacitors
- G11C 11/26 using discharge tubes
- G11C 11/34 using semiconductor devices
- G11C 11/42 using opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled
- G11C 11/44 using super-conductive elements, e.g. cryotron
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