- All sections
- C - Chemistry; metallurgy
- C23C - 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
- C23C 18/18 - Pretreatment of the material to be coated
Patent holdings for IPC class C23C 18/18
Total number of patents in this class: 680
10-year publication summary
77
|
92
|
69
|
69
|
75
|
61
|
33
|
39
|
30
|
8
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tokyo Electron Limited | 11599 |
50 |
Atotech Deutschland GmbH | 586 |
38 |
FUJIFILM Corporation | 27102 |
24 |
Eastman Kodak Company | 3444 |
15 |
Lam Research Corporation | 4775 |
14 |
BYD Company Limited | 3700 |
11 |
C. Uyemura & Co., Ltd. | 156 |
10 |
Mitsubishi Electric Corporation | 43934 |
9 |
Rohm and Haas Electronic Materials LLC | 637 |
9 |
Alchimer | 52 |
8 |
Toyo Kohan Co., Ltd. | 413 |
8 |
Bactiguard AB | 40 |
7 |
JX Nippon Mining & Metals Corporation | 1576 |
7 |
Nissan Chemical Industries, Ltd. | 1822 |
6 |
Sumitomo Electric Industries, Ltd. | 14131 |
5 |
Murata Manufacturing Co., Ltd. | 22355 |
5 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
5 |
Ebara Corporation | 1951 |
5 |
CARBO Ceramics Inc. | 248 |
5 |
Cuptronic Technology Ltd. | 11 |
5 |
Other owners | 434 |