CPC Subgroup
C23C 18/31 Coating with metals
Full Title
Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating > by reduction or substitution, e.g. electroless plating (C23C18/54 takes precedence) > Coating with metals
3 direct subcodes
Child Classifications
Navigate with arrow keys, Enter to open
- C23C 18/32 Coating with nickel, cobalt or mixtures thereof with phosphorus or boron (C23C18/50 takes precedence)
- C23C 18/38 Coating with copper
- C23C 18/42 Coating with noble metals
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