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CPC Subgroup
H01J 17/02

Details

Full Title

Gas-filled discharge tubes with solid cathode (H01J25/00, H01J27/00, H01J31/00 - H01J41/00 take precedence; gas filled spark gaps H01T; Marx converters H02M7/26) > Details

10 direct subcodes

Child Classifications

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  • H01J 17/14 Magnetic means for controlling the discharge
  • H01J 17/16 Vessels; Containers
  • H01J 17/20 Selection of substances for gas fillings; Specified operating pressures or temperatures
  • H01J 17/28 Cooling arrangements
  • H01J 17/34 One or more circuit elements structurally associated with the tube
  • H01J 17/36 Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for

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