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IPC Subgroup
H10D 62/82

Heterojunctions

Introduced: January 2025

Full Title

Semiconductor bodies, or regions thereof, of devices having potential barriers > characterised by the materials > Heterojunctions

Classification Context

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

3 direct subcodes

Child Classifications

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  • H10D 62/822 comprising only Group IV materials heterojunctions, e.g. Si/Ge heterojunctions
  • H10D 62/824 comprising only Group III-V materials heterojunctions, e.g. GaN/AlGaN heterojunctions
  • H10D 62/826 comprising only Group II-VI materials heterojunctions, e.g. CdTe/HgTe heterojunctions

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