- 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 4/10 - Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
Patent holdings for IPC class C23C 4/10
Total number of patents in this class: 732
10-year publication summary
95
|
81
|
68
|
56
|
62
|
38
|
29
|
35
|
24
|
6
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
General Electric Company | 18133 |
33 |
Tocalo Co., Ltd. | 94 |
32 |
Fujimi Incorporated | 676 |
25 |
Rtx Corporation | 8674 |
24 |
Praxair S.T. Technology, Inc. | 133 |
21 |
Applied Materials, Inc. | 16587 |
16 |
Oerlikon Metco (US) Inc. | 202 |
13 |
Siemens AG | 24990 |
12 |
Tokyo Electron Limited | 11599 |
11 |
Rolls-Royce Corporation | 1686 |
11 |
Mitsubishi Heavy Industries Aero Engines, Ltd. | 121 |
9 |
Nippon Steel & Sumikin Hardfacing Co., Ltd. | 22 |
9 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
8 |
Safran Aircraft Engines | 5739 |
7 |
Toshiba Materials Co., Ltd. | 600 |
7 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
7 |
Mitsubishi Heavy Industries, Ltd. | 8217 |
6 |
Nippon Yttrium Co., Ltd. | 31 |
6 |
Seram Coatings AS | 9 |
6 |
GE Infrastructure Technology, LLC | 5873 |
6 |
Other owners | 463 |