- 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 18/42 - Coating with noble metals
Patent holdings for IPC class C23C 18/42
Total number of patents in this class: 240
10-year publication summary
20
|
39
|
33
|
25
|
28
|
16
|
18
|
14
|
11
|
4
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Toyo Kohan Co., Ltd. | 413 |
9 |
Eastman Kodak Company | 3444 |
8 |
Atotech Deutschland GmbH | 586 |
7 |
Bactiguard AB | 40 |
7 |
MacDermid Enthone Inc. | 237 |
6 |
Mitsubishi Electric Corporation | 43934 |
5 |
Sumitomo Metal Mining Co., Ltd. | 1670 |
5 |
Honeywell International Inc. | 13799 |
4 |
Tokyo Electron Limited | 11599 |
4 |
Nikon Corporation | 7162 |
4 |
BYD Company Limited | 3700 |
4 |
Mitsubishi Materials Electronic Chemicals Co., Ltd. | 119 |
4 |
Denka Company Limited | 2189 |
3 |
JX Nippon Mining & Metals Corporation | 1576 |
3 |
Nippon Mining & Metals Co., Ltd. | 161 |
3 |
C3 Nano, Inc. | 40 |
3 |
Japan Pure Chemical Co.,Ltd. | 18 |
3 |
Tahoe Research, Ltd. | 2146 |
3 |
Hewlett-Packard Development Company, L.P. | 28538 |
2 |
Texas Instruments Incorporated | 19376 |
2 |
Other owners | 151 |