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CPC Subgroup
G11C 29/18

Address generation devices; Devices for accessing memories, e.g. details of addressing circuits

Full Title

Checking stores for correct operation ; Testing stores during standby or offline operation > Detection or location of defective memory elements > Functional testing, e.g. testing during refresh, power-on self testing [POST] or distributed testing > Built-in arrangements for testing, e.g. built-in self testing [BIST] > Address generation devices; Devices for accessing memories, e.g. details of addressing circuits

8 direct subcodes

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class G11, 2013–2023, worldwide · Source: EPO PATSTAT

  1. MICRON TECHNOLOGY US 12,397
  2. SAMSUNG ELECTRONICS COMPANY KR 12,238
  3. SK HYNIX KR 11,371
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 4,601
  5. INTEL CORPORATION US 3,874
  6. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 3,866
  7. SANDISK TECHNOLOGIES US 3,151
  8. SK HYNIX 3,143
  9. SAMSUNG ELECTRONICS COMPANY 3,073
  10. WESTERN DIGITAL TECHNOLOGIES US 2,961