- 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 18/31 - Coating with metals
Patent holdings for IPC class C23C 18/31
Total number of patents in this class: 526
10-year publication summary
60
|
72
|
54
|
44
|
42
|
47
|
32
|
31
|
22
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Tokyo Electron Limited | 11599 |
52 |
FUJIFILM Corporation | 27102 |
15 |
BASF SE | 19740 |
12 |
Atotech Deutschland GmbH | 586 |
11 |
Lam Research Corporation | 4775 |
9 |
Nikon Corporation | 7162 |
8 |
Sekisui Chemical Co., Ltd. | 3159 |
7 |
Eastman Kodak Company | 3444 |
6 |
BYD Company Limited | 3700 |
6 |
Toyo Kohan Co., Ltd. | 413 |
6 |
Sumitomo Electric Industries, Ltd. | 14131 |
5 |
Consolidated Nuclear Security, LLC | 124 |
5 |
Jet Metal Technologies | 16 |
5 |
JX Nippon Mining & Metals Corporation | 1576 |
5 |
MacDermid Enthone Inc. | 237 |
5 |
Nippon Chemical Industrial Co., Ltd. | 267 |
5 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
4 |
Murata Manufacturing Co., Ltd. | 22355 |
4 |
TDK Corporation | 6306 |
4 |
University of South Florida | 1817 |
4 |
Other owners | 348 |