- All sections
- C - Chemistrymetallurgy
- C23C - Coating metallic materialcoating material with metallic materialsurface treatment of metallic material by diffusion into the surface, by chemical conversion or substitutioncoating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 8/12 - Oxidising using elemental oxygen or ozone
Patent holdings for IPC class C23C 8/12
Total number of patents in this class: 145
10-year publication summary
|
12
|
11
|
13
|
7
|
12
|
11
|
17
|
10
|
10
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nippon Steel Corporation | 6238 |
7 |
| Applied Materials, Inc. | 18621 |
4 |
| Nippon Steel & Sumitomo Metal Corporation | 1988 |
4 |
| Screen Holdings Co., Ltd. | 2814 |
3 |
| Atmospheric Plasma Solutions, Inc. | 32 |
3 |
| Kokusai Electric Corporation | 2018 |
3 |
| Just Huajian Medical Devices (Tianjin) Co., Ltd. | 7 |
3 |
| Honda Motor Co., Ltd. | 25251 |
2 |
| Robert Bosch GmbH | 42689 |
2 |
| NTN Corporation | 4976 |
2 |
| Boe Technology Group Co., Ltd. | 41139 |
2 |
| Atotech Deutschland GmbH | 556 |
2 |
| Ceres Intellectual Property Company Limited | 264 |
2 |
| Hamilton Sundstrand Space Systems International, Inc. | 96 |
2 |
| Heraeus Deutschland GmbH & Co. KG | 419 |
2 |
| JFE Steel Corporation | 6840 |
2 |
| JX Nippon Mining & Metals Corporation | 1489 |
2 |
| Kubota Corporation | 3899 |
2 |
| Novelis Inc. | 750 |
2 |
| Research Institute of Industrial Science & Technology | 503 |
2 |
| Other owners | 92 |