- 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 8/02 - Pretreatment of the material to be coated
Patent holdings for IPC class C23C 8/02
Total number of patents in this class: 459
10-year publication summary
|
51
|
45
|
31
|
44
|
27
|
34
|
27
|
17
|
19
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Swagelok Company | 318 |
16 |
| Robert Bosch GmbH | 42861 |
13 |
| JFE Steel Corporation | 6992 |
13 |
| Nippon Steel Corporation | 6405 |
12 |
| Safran Aircraft Engines | 6329 |
7 |
| Hydromecanique et Frottement | 113 |
7 |
| Applied Materials, Inc. | 19005 |
6 |
| ECM Technologies | 29 |
6 |
| NOVA Chemicals (International) S.A. | 780 |
6 |
| Persimmon Technologies, Corp. | 152 |
6 |
| Peugeot Citroen Automobiles SA | 1747 |
6 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12741 |
6 |
| Honda Motor Co., Ltd. | 25776 |
5 |
| GM Global Technology Operations LLC | 15220 |
5 |
| Hyundai Motor Company | 22484 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10959 |
5 |
| Kia Motors Corporation | 7749 |
5 |
| MAHLE International GmbH | 2810 |
5 |
| Nelumbo Inc. | 48 |
5 |
| Oerlikon Surface Solutions AG, Pfaffikon | 549 |
5 |
| Other owners | 315 |