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CPC Subgroup
C23C 14/32

by explosion; by evaporation and subsequent ionisation of the vapours (C23C14/34 - C23C14/48 take precedence)

Full Title

Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material > characterised by the process of coating > Vacuum evaporation > by explosion; by evaporation and subsequent ionisation of the vapours (C23C14/34 - C23C14/48 take precedence)

1 direct subcode

Child Classifications

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Top Applicants

Top 10 applicants by patent filingsfor class C23, 2013–2023, worldwide · Source: EPO PATSTAT

  1. APPLIED MATERIALS US 10,596
  2. TOKYO ELECTRON JP 5,229
  3. LAM RESEARCH CORPORATION US 3,622
  4. NIPPON STEEL CORPORATION JP 3,171
  5. JFE STEEL JP 3,128
  6. ASM IP HOLDING NL 2,722
  7. ARCELORMITTAL LU 2,481
  8. TOKYO ELECTRON 2,359
  9. APPLIED MATERIALS 2,284
  10. CHINESE ACADEMY OF SCIENCES 2,110