- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 129/58 - Naphthenic acids
Patent holdings for IPC class C10M 129/58
Total number of patents in this class: 17
10-year publication summary
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1
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2
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1
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0
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0
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0
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0
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2
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0
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0
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyodo Yushi Co., Ltd. | 249 |
3 |
| NSK Ltd. | 2831 |
2 |
| Equinor Energy AS | 495 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3409 |
1 |
| Shell Oil Company | 2075 |
1 |
| NTN Corporation | 4915 |
1 |
| Idemitsu Kosan Co., Ltd. | 4234 |
1 |
| Hongduk Industrial Co., Ltd. | 21 |
1 |
| Statoil ASA | 100 |
1 |
| Heidari, Saeed MIR | 1 |
1 |
| Kraton Chemical, LLC | 89 |
1 |
| CAMPBELL, Neil | 15 |
1 |
| ENEOS Corporation | 685 |
1 |
| Other owners | 0 |