- All sections
- C - Chemistry; metallurgy
- C23C - Coating metallic material; coating material with metallic material; surface treatment of metallic material by diffusion into the surface, by chemical conversion or substitution; coating by vacuum evaporation, by sputtering, by ion implantation or by chemical vapour deposition, in general
- C23C 8/66 - Carburising of ferrous surfaces
Patent holdings for IPC class C23C 8/66
Total number of patents in this class: 26
10-year publication summary
3
|
3
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6
|
2
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2
|
1
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1
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2
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3
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0
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2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hitachi, Ltd. | 16452 |
2 |
NSK Ltd. | 2719 |
2 |
Pusan National University Industry-University Cooperation Foundation | 562 |
2 |
Commonwealth Steel Company Pty Ltd | 5 |
2 |
Honda Motor Co., Ltd. | 24537 |
1 |
Caterpillar Inc. | 8877 |
1 |
Mitsubishi Chemical Corporation | 4313 |
1 |
Hilti Aktiengesellschaft | 3227 |
1 |
Aktiebolaget SKF | 2700 |
1 |
Aktien-Gesellschaft; der Dillinger Hüttenwerke | 37 |
1 |
Asco Industries | 2 |
1 |
China University of Mining and Technology | 1189 |
1 |
Frontier Carbon Corporation | 6 |
1 |
Fuji Kihan Co., Ltd. | 25 |
1 |
Hyundai Steel Company | 310 |
1 |
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.) | 2865 |
1 |
MAHLE International GmbH | 2670 |
1 |
National University Corporation Kumamoto University | 371 |
1 |
Soochow University | 1605 |
1 |
TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
1 |
Other owners | 2 |