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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

9 direct subcodes

Child Classifications

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  • G11C 11/18 using Hall-effect devices
  • 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 11/54 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

  1. MICRON TECHNOLOGY US 10,574
  2. SK HYNIX KR 9,138
  3. SAMSUNG ELECTRONICS COMPANY KR 9,004
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 3,739
  5. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,443
  6. INTEL CORPORATION US 2,952
  7. SANDISK TECHNOLOGIES US 2,905
  8. WESTERN DIGITAL TECHNOLOGIES US 2,630
  9. TOSHIBA CORPORATION JP 2,593
  10. SEAGATE TECHNOLOGY US 2,472