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CPC Subgroup
H10B 41/23

with source and drain on different levels, e.g. with sloping channels

Full Title

Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates > characterised by three-dimensional [3D] arrangements, e.g. with cells on different height levels > with source and drain on different levels, e.g. with sloping channels

1 direct subcode

Child Classifications

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  • H10B 41/27 the channels comprising vertical portions, e.g. U-shaped channels

Top Applicants

Top 10 applicants by patent filingsfor class H10, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 38,446
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 30,922
  3. SAMSUNG ELECTRONICS COMPANY KR 30,059
  4. BOE TECHNOLOGY GROUP COMPANY CN 20,304
  5. LG DISPLAY COMPANY KR 17,772
  6. BOE TECHNOLOGY GROUP COMPANY 15,621
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 13,629
  8. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 11,750
  9. SAMSUNG DISPLAY 11,316
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 9,697