- 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 22/66 - Treatment of aluminium or alloys based thereon
Patent holdings for IPC class C23C 22/66
Total number of patents in this class: 101
10-year publication summary
|
11
|
10
|
12
|
7
|
6
|
5
|
1
|
3
|
3
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| PRC-DeSoto International, Inc. | 566 |
14 |
| Henkel AG & Co. KGaA | 10699 |
9 |
| Chemetall GmbH | 391 |
7 |
| PPG Industries Ohio, Inc. | 3384 |
5 |
| Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2855 |
4 |
| Nippon Steel Corporation | 6607 |
4 |
| Raytheon Company | 8465 |
3 |
| Nippon Light Metal Company, Ltd. | 678 |
3 |
| Arconic Technologies LLC | 238 |
3 |
| The Boeing Company | 20111 |
2 |
| FUJIFILM Corporation | 30063 |
2 |
| Applied Materials, Inc. | 19717 |
2 |
| Arteco N.V. | 43 |
2 |
| Coöperatie Koninklijke Cosun U.A. | 94 |
2 |
| Nihon Parkerizing Co., Ltd. | 292 |
2 |
| Novelis Inc. | 782 |
2 |
| Toyo Kohan Co., Ltd. | 426 |
2 |
| Toyo Seikan Co., Ltd. | 605 |
2 |
| YKK Corporation | 2001 |
2 |
| Shenzhen Yingheng Technology Co., Ltd. | 13 |
2 |
| Other owners | 27 |