- 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 4/08 - Metallic material containing only metal elements
Patent holdings for IPC class C23C 4/08
Total number of patents in this class: 579
10-year publication summary
82
|
53
|
67
|
54
|
43
|
47
|
30
|
34
|
26
|
11
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens AG | 24990 |
42 |
Rtx Corporation | 8674 |
24 |
Federal-Mogul Burscheid GmbH | 284 |
12 |
General Electric Company | 18133 |
8 |
Tokyo Electron Limited | 11599 |
8 |
Nissan Motor Co., Ltd. | 12249 |
8 |
Nippon Steel & Sumitomo Metal Corporation | 1990 |
8 |
Nippon Steel Corporation | 5649 |
7 |
Safran Aircraft Engines | 5739 |
7 |
Treadstone Technologies, Inc. | 23 |
7 |
GE Infrastructure Technology, LLC | 5873 |
7 |
Siemens Energy, Inc. | 1770 |
6 |
United States of America AS represented by The Administrator of NASA | 364 |
6 |
Ford Global Technologies, LLC | 19702 |
5 |
Caterpillar Inc. | 8877 |
5 |
Fujimi Incorporated | 676 |
5 |
Oerlikon Metco (US) Inc. | 202 |
5 |
Sturm Maschinen- & Anlagenbau GmbH | 49 |
5 |
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
5 |
Illinois Tool Works Inc. | 11152 |
4 |
Other owners | 395 |