C23C 14/06 characterised by the coating material
Introduced: January 1985
Last revised: January 2006
Full Title
Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material > characterised by the coating material
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- Subclass:
- COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
Filing statistics
IPC C23C 14/06 belongs to the parent subclass C23C, which recorded 286,666 patent applications worldwide between 2013 and 2023. Annual filings grew from 21,184 in 2013 to 29,510 in 2023 (+39%), peaking at 30,405 applications in 2020. The most active applicants in class C23 are APPLIED MATERIALS (8,096 applications), TOKYO ELECTRON (3,985 applications) and CHINESE ACADEMY OF SCIENCES (2,842 applications).
Source: EPO PATSTAT, worldwide filings
4 direct subcodes
Child Classifications
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- C23C 14/08 Oxides
- C23C 14/1 Glass or silica
- C23C 14/12 Organic material
- C23C 14/14 Metallic material, boron or silicon
Top Applicants
Top 10 applicants by patent filingsfor class C23, 2013–2023, worldwide · Source: EPO PATSTAT
- APPLIED MATERIALS US 8,096
- TOKYO ELECTRON JP 3,985
- CHINESE ACADEMY OF SCIENCES 2,842
- LAM RESEARCH CORPORATION US 2,654
- TOKYO ELECTRON 2,540
- NIPPON STEEL CORPORATION JP 2,465
- JFE STEEL JP 2,368
- ASM IP HOLDING NL 2,092
- APPLIED MATERIALS 1,877
- POSCO (POHANG IRON AND STEEL COMPANY) KR 1,782