IPC Subgroup
H10P 32/1 Diffusion of dopants within, into or out of semiconductor bodies or layers
Introduced: January 2026
Full Title
Diffusion of dopants within, into, or out of wafers, substrates or parts of devices > Diffusion of dopants within, into or out of semiconductor bodies or layers
Classification Context
- Section:
- ELECTRICITY
- Class:
- SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- Subclass:
- GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS
Filing statistics
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
3 direct subcodes
Child Classifications
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- H10P 32/12 between a solid phase and a gaseous phase
- H10P 32/14 within a single semiconductor body or layer in a solid phase; between different semiconductor bodies or layers, both in a solid phase
- H10P 32/16 between a solid phase and a liquid phase
Top Applicants
Top 10 applicants by patent filingsfor 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