- 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 10/04 - Diffusion into selected surface areas, e.g. using masks
Patent holdings for IPC class C23C 10/04
Total number of patents in this class: 47
10-year publication summary
|
13
|
4
|
2
|
4
|
1
|
1
|
1
|
2
|
2
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9893 |
9 |
| Praxair S.T. Technology, Inc. | 119 |
6 |
| General Electric Company | 13808 |
2 |
| Siemens AG | 24189 |
2 |
| Rolls-Royce PLC | 3182 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2856 |
2 |
| MTU Aero Engines AG | 713 |
2 |
| Safran Aircraft Engines | 6554 |
2 |
| Tenneco Automotive Operating Company Inc. | 458 |
2 |
| Siemens Energy Global GmbH & Co. KG | 3267 |
2 |
| Tenneco Automotive Operating Company LLC | 199 |
2 |
| Samsung Display Co., Ltd. | 37960 |
1 |
| Hitachi, Ltd. | 15918 |
1 |
| Applied Materials, Inc. | 20085 |
1 |
| Lam Research Corporation | 5544 |
1 |
| Chromalloy Gas Turbine LLC | 76 |
1 |
| Dymax Corporation | 84 |
1 |
| Howmet Corporation | 48 |
1 |
| Huys Industries Limited | 34 |
1 |
| Korea Minting, Security Printing & ID Card Operating Corp. | 43 |
1 |
| Other owners | 5 |