- 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 20/08 - Coating with inorganic material, other than metallic material with compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
Patent holdings for IPC class C23C 20/08
Total number of patents in this class: 34
10-year publication summary
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1
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1
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4
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3
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1
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1
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2
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2
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3
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| General Electric Company | 13859 |
2 |
| Pratt & Whitney Canada Corp. | 4818 |
2 |
| Aisin Seiki Kabushiki Kaisha | 2223 |
2 |
| Akros Co., Ltd. | 16 |
2 |
| National University Corporation Hokkaido University | 1348 |
2 |
| Univerzita J. E. Purkyne V Usti nad Labem | 6 |
2 |
| Ustav Anorganicke Chemie AV CR, V.v.i. | 3 |
2 |
| FUJIFILM Corporation | 29586 |
1 |
| National Institute of Advanced Industrial Science and Technology | 3793 |
1 |
| The Furukawa Electric Co., Ltd. | 3685 |
1 |
| Central Glass Company, Limited | 1271 |
1 |
| Central Research Institute of Electric Power Industry | 94 |
1 |
| Chiyoda Corporation | 398 |
1 |
| Dow Corning Toray Co., Ltd. | 485 |
1 |
| Element Six GmbH | 107 |
1 |
| ESK Ceramics GmbH & Co. KG | 22 |
1 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1321 |
1 |
| Industrie de Nora S.p.A. | 274 |
1 |
| Nippon Sheet Glass Company, Limited | 984 |
1 |
| Nippon Steel Corporation | 6344 |
1 |
| Other owners | 7 |