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PCE
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CPC Subgroup
H01J 3/06

two or more guns being arranged in a single vacuum space, e.g. for plural-ray tubes (H01J3/07 takes precedence)

Full Title

Details of electron-optical or ion-optical arrangements common to two or more basic types of discharge tubes or lamps > two or more guns being arranged in a single vacuum space, e.g. for plural-ray tubes (H01J3/07 takes precedence)

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