- 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 18/04 - Pretreatment of the material to be coated
Patent holdings for IPC class C23C 18/04
Total number of patents in this class: 109
10-year publication summary
|
5
|
6
|
10
|
7
|
8
|
9
|
9
|
7
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6
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Jilin Zhong Ying High Technology Co., Ltd. | 94 |
5 |
| The Boeing Company | 19959 |
4 |
| Tokyo Electron Limited | 12192 |
4 |
| LG Chem, Ltd. | 17677 |
3 |
| E. I. du Pont de Nemours and Company | 4246 |
3 |
| Honeywell International Inc. | 14027 |
3 |
| Centre National de La Recherche Scientifique | 10163 |
3 |
| POSCO Co., Ltd. | 1337 |
3 |
| Universite Paul Sabatier Toulouse III | 479 |
3 |
| Merck Patent GmbH | 5867 |
2 |
| IMEC VZW | 1538 |
2 |
| Korea Research Institute of Chemical Technology | 1347 |
2 |
| Suddeutsche Aluminium Manufaktur GmbH | 9 |
2 |
| Universiteit Hasselt | 82 |
2 |
| Tc1 LLC | 614 |
2 |
| Gp&e America, Inc. | 4 |
2 |
| Midnex AG | 2 |
2 |
| General Electric Company | 17223 |
1 |
| LG Electronics Inc. | 71397 |
1 |
| SNECMA S.A. | 1149 |
1 |
| Other owners | 59 |