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CPC Subgroup Additional Only
H01J 2225/55

Coaxial cavity magnetrons

Full Title

Transit-time tubes, e.g. Klystrons, travelling-wave tubes, magnetrons > Magnetrons, i.e. tubes with a magnet system producing an H-field crossing the E-field > with an electron space having a shape that does not prevent any electron from moving completely around the cathode or guide electrode > having only one cavity or other resonator, e.g. neutrode tube > Coaxial cavity magnetrons

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