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IPC Subgroup
H10B 41/3

characterised by the memory core region

Introduced: January 2023

Full Title

Electrically erasable-and-programmable ROM [EEPROM] devices comprising floating gates > characterised by the memory core region

Classification Context

Section:
ELECTRICITY
Class:
SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
Subclass:
ELECTRONIC MEMORY DEVICES

Filing statistics

IPC H10B 41/3 belongs to the parent subclass H10B, which recorded 84,543 patent applications worldwide between 2013 and 2023. Annual filings grew from 4,492 in 2013 to 12,382 in 2023 (+176%). The most active applicants in class H10 are SAMSUNG DISPLAY (21,044 applications), SAMSUNG ELECTRONICS COMPANY (14,774 applications) and LG DISPLAY COMPANY (9,454 applications).

Source: EPO PATSTAT, worldwide filings

1 direct subcode

Child Classifications

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  • H10B 41/35 with a cell select transistor, e.g. NAND

Top Applicants

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

  1. SAMSUNG DISPLAY KR 21,044
  2. SAMSUNG ELECTRONICS COMPANY KR 14,774
  3. LG DISPLAY COMPANY KR 9,454
  4. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 8,301
  5. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 7,642
  6. BOE TECHNOLOGY GROUP COMPANY 6,845
  7. BOE TECHNOLOGY GROUP COMPANY CN 6,806
  8. SAMSUNG DISPLAY 6,577
  9. LG CHEM KR 5,461
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 5,115