CPC Main Group
C23C 20/00 Chemical coating by decomposition of either solid compounds or suspensions of the coating forming compounds, without leaving reaction products of surface material in the coating
2 direct subcodes
Child Classifications
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- C23C 20/02 Coating with metallic material
- C23C 20/06 Coating with inorganic material, other than metallic material
Top Applicants
Top 10 applicants by patent filingsfor class C23, 2013–2023, worldwide · Source: EPO PATSTAT
- APPLIED MATERIALS US 10,596
- TOKYO ELECTRON JP 5,229
- LAM RESEARCH CORPORATION US 3,622
- NIPPON STEEL CORPORATION JP 3,171
- JFE STEEL JP 3,128
- ASM IP HOLDING NL 2,722
- ARCELORMITTAL LU 2,481
- TOKYO ELECTRON 2,359
- APPLIED MATERIALS 2,284
- CHINESE ACADEMY OF SCIENCES 2,110