- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use 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
|
0
|
5
|
1
|
2
|
1
|
0
|
0
|
0
|
0
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyodo Yushi Co., Ltd. | 224 |
3 |
| NSK Ltd. | 2719 |
2 |
| Equinor Energy AS | 475 |
2 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
1 |
| Shell Oil Company | 2196 |
1 |
| NTN Corporation | 5008 |
1 |
| Idemitsu Kosan Co., Ltd. | 3995 |
1 |
| Hongduk Industrial Co., Ltd. | 20 |
1 |
| Nippon Oil Corporation | 340 |
1 |
| Statoil ASA | 152 |
1 |
| Heidari, Saeed MIR | 1 |
1 |
| CAMPBELL, Neil | 18 |
1 |
| ENEOS Corporation | 611 |
1 |
| Other owners | 0 |