Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
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

3 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • 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

  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