Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H01J 5/50

Means forming part of the tube or lamps for the purpose of providing electrical connection to it

Full Title

Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps > Means forming part of the tube or lamps for the purpose of providing electrical connection to it

2 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

  • H01J 5/52 directly applied to or forming part of the vessel

Top Applicants

Top 10 applicants by patent filingsfor class H01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SAMSUNG ELECTRONICS COMPANY KR 37,897
  2. TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY TW 36,116
  3. APPLIED MATERIALS US 21,640
  4. LG ENERGY SOLUTION KR 20,770
  5. LG CHEM KR 19,835
  6. TOKYO ELECTRON JP 18,519
  7. ROBERT BOSCH DE 14,595
  8. INTEL CORPORATION US 13,580
  9. MURATA MANUFACTURING COMPANY JP 12,151
  10. SAMSUNG SDI COMPANY KR 12,080