DIFF 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
Of 5 combined children, 3 exist in both systems.
2 codes are CPC-only extensions.
IPC defines codes here since 2025.
Child Classifications
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- H10D 62/822 comprising only Group IV materials heterojunctions, e.g. Si/Ge heterojunctions since 2025 IPC+CPC Available in IPC and CPC
- H10D 62/824 comprising only Group III-V materials heterojunctions, e.g. GaN/AlGaN heterojunctions since 2025 IPC+CPC Available in IPC and CPC
- H10D 62/826 comprising only Group II-VI materials heterojunctions, e.g. CdTe/HgTe heterojunctions since 2025 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class H10,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 21,044
- SAMSUNG ELECTRONICS COMPANY KR 14,774
- LG DISPLAY COMPANY KR 9,454
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 8,301
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 7,642
- BOE TECHNOLOGY GROUP COMPANY 6,845
- BOE TECHNOLOGY GROUP COMPANY CN 6,806
- SAMSUNG DISPLAY 6,577
- LG CHEM KR 5,461
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 5,115
Top Applicants (CPC)
Class H10,2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 38,446
- TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 30,922
- SAMSUNG ELECTRONICS COMPANY KR 30,059
- BOE TECHNOLOGY GROUP COMPANY CN 20,304
- LG DISPLAY COMPANY KR 17,772
- BOE TECHNOLOGY GROUP COMPANY 15,621
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 13,629
- IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 11,750
- SAMSUNG DISPLAY 11,316
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 9,697