- 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 16/32 - Carbides
Patent holdings for IPC class C23C 16/32
Total number of patents in this class: 838
10-year publication summary
36
|
73
|
70
|
82
|
95
|
93
|
72
|
109
|
80
|
26
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Applied Materials, Inc. | 16587 |
73 |
ASM IP Holding B.V. | 1715 |
56 |
Lam Research Corporation | 4775 |
27 |
Resonac Corporation | 2233 |
26 |
Kokusai Electric Corporation | 1791 |
20 |
Tokyo Electron Limited | 11599 |
19 |
Versum Materials US, LLC | 591 |
17 |
Sumitomo Electric Industries, Ltd. | 14131 |
16 |
Novellus Systems, Inc. | 559 |
16 |
Rtx Corporation | 8674 |
16 |
Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
15 |
Safran Ceramics | 366 |
13 |
Tokai Carbon Korea Co., Ltd. | 49 |
13 |
Mitsubishi Materials Corporation | 2378 |
12 |
Zadient Technologies SAS | 25 |
12 |
Centre National de La Recherche Scientifique | 9632 |
11 |
Rolls-Royce Corporation | 1686 |
11 |
Shin-Etsu Chemical Co., Ltd. | 5132 |
10 |
Tungaloy Corporation | 481 |
10 |
NuFlare Technology, Inc. | 770 |
9 |
Other owners | 436 |