- 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: 731
10-year publication summary
|
26
|
30
|
31
|
46
|
43
|
41
|
56
|
58
|
47
|
35
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4219 |
56 |
| The Lubrizol Corporation | 1281 |
53 |
| Kyodo Yushi Co., Ltd. | 240 |
26 |
| Chevron Oronite Company LLC | 572 |
20 |
| Afton Chemical Corporation | 483 |
17 |
| Total Marketing Services | 454 |
16 |
| BASF SE | 20933 |
15 |
| Shell Internationale Research Maatschappij B.V. | 3540 |
15 |
| Infineum International Limited | 389 |
15 |
| JX Nippon Oil & Energy Corporation | 999 |
15 |
| ExxonMobil Research And Engineering Company | 2573 |
14 |
| AutoNetworks Technologies, Ltd. | 6587 |
12 |
| Kyushu University, National University Corporation | 1657 |
12 |
| Sumitomo Electric Industries, Ltd. | 15483 |
10 |
| Sumitomo Wiring Systems, Ltd. | 10351 |
10 |
| NTN Corporation | 4976 |
10 |
| Totalenergies Onetech | 1323 |
10 |
| Chevron Japan Ltd. | 96 |
8 |
| NOK Corporation | 2219 |
8 |
| Vallourec Oil and Gas France | 454 |
8 |
| Other owners | 381 |