- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 30/12 - Inhibition of corrosion, e.g. anti-rust agents, anti-corrosives
Patent holdings for IPC class C10N 30/12
Total number of patents in this class: 716
10-year publication summary
|
26
|
30
|
31
|
46
|
43
|
41
|
56
|
57
|
46
|
21
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4138 |
54 |
| The Lubrizol Corporation | 1284 |
52 |
| Kyodo Yushi Co., Ltd. | 233 |
26 |
| Chevron Oronite Company LLC | 567 |
20 |
| Afton Chemical Corporation | 476 |
16 |
| Total Marketing Services | 476 |
16 |
| BASF SE | 20675 |
15 |
| Shell Internationale Research Maatschappij B.V. | 3471 |
15 |
| JX Nippon Oil & Energy Corporation | 999 |
15 |
| ExxonMobil Research And Engineering Company | 2604 |
14 |
| AutoNetworks Technologies, Ltd. | 6458 |
12 |
| Kyushu University, National University Corporation | 1639 |
12 |
| Sumitomo Electric Industries, Ltd. | 15237 |
10 |
| Sumitomo Wiring Systems, Ltd. | 10184 |
10 |
| NTN Corporation | 4982 |
10 |
| Totalenergies Onetech | 1222 |
10 |
| Chevron Japan Ltd. | 95 |
8 |
| Infineum International Limited | 351 |
8 |
| Vallourec Oil and Gas France | 448 |
8 |
| Castrol Limited | 522 |
7 |
| Other owners | 378 |