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DIFF Subgroup
H10D 48/04

of devices having bodies comprising selenium or tellurium in uncombined form

Introduced: January 2025

Full Title

Full titles differ between systems:

IPC:

Individual devices not covered by groups > Manufacture or treatment > of devices having bodies comprising selenium or tellurium in uncombined form

CPC:

Individual devices not covered by groups H10D1/00 - H10D44/00 > Manufacture or treatment > of devices having bodies comprising selenium or tellurium in uncombined form

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

IPC defines codes here since 2025.

Child Classifications

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  • H10D 48/042 Preparation of foundation plates since 2025 IPC+CPC Available in IPC and CPC
  • H10D 48/047 Application of an electrode to the exposed surface of the selenium or tellurium after the selenium or tellurium has been applied to foundation plates since 2025 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

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

Top Applicants (CPC)

Class H10,2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG DISPLAY KR 38,446
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 30,922
  3. SAMSUNG ELECTRONICS COMPANY KR 30,059
  4. BOE TECHNOLOGY GROUP COMPANY CN 20,304
  5. LG DISPLAY COMPANY KR 17,772
  6. BOE TECHNOLOGY GROUP COMPANY 15,621
  7. SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 13,629
  8. IBM (INTERNATIONAL BUSINESS MACHINES CORPORATION) US 11,750
  9. SAMSUNG DISPLAY 11,316
  10. SEMICONDUCTOR ENERGY LABORATORY COMPANY 9,697