Skip to content
Search Classifications
Search for IPC and CPC classification codes or keywords
CPC Subgroup
H01J 41/06

with ionisation by means of cold cathodes

Full Title

Discharge tubes for measuring pressure of introduced gas ; Discharge tubes for evacuation by diffusion of ions > Discharge tubes for measuring pressure of introduced gas > with ionisation by means of cold cathodes

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