- 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: 43
10-year publication summary
|
3
|
11
|
3
|
2
|
4
|
1
|
1
|
1
|
2
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rtx Corporation | 9445 |
7 |
| Praxair S.T. Technology, Inc. | 129 |
6 |
| Siemens AG | 24386 |
3 |
| General Electric Company | 13859 |
2 |
| Rolls-Royce PLC | 3133 |
2 |
| Arizona Board of Regents on behalf of Arizona State University | 2663 |
2 |
| Huys Industries Limited | 34 |
2 |
| MTU Aero Engines AG | 690 |
2 |
| Tenneco Automotive Operating Company Inc. | 557 |
2 |
| Siemens Energy Global GmbH & Co. KG | 3020 |
2 |
| Samsung Display Co., Ltd. | 35269 |
1 |
| Hitachi, Ltd. | 15572 |
1 |
| Applied Materials, Inc. | 18892 |
1 |
| Lam Research Corporation | 5310 |
1 |
| Dymax Corporation | 85 |
1 |
| Howmet Corporation | 50 |
1 |
| Korea Minting, Security Printing & ID Card Operating Corp. | 43 |
1 |
| MTU Aero Engines GmbH | 492 |
1 |
| Office National d'Etudes et de Recherches Aerospatiales (onera) | 170 |
1 |
| Safran Aircraft Engines | 6306 |
1 |
| Other owners | 3 |