- 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: 780
10-year publication summary
|
30
|
31
|
46
|
43
|
41
|
58
|
66
|
51
|
47
|
39
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4285 |
58 |
| The Lubrizol Corporation | 1264 |
57 |
| Afton Chemical Corporation | 500 |
25 |
| Kyodo Yushi Co., Ltd. | 249 |
25 |
| Chevron Oronite Company LLC | 606 |
23 |
| Infineum International Limited | 454 |
20 |
| BASF SE | 21318 |
16 |
| Total Marketing Services | 444 |
16 |
| JX Nippon Oil & Energy Corporation | 978 |
15 |
| Shell Internationale Research Maatschappij B.V. | 3391 |
14 |
| ExxonMobil Research And Engineering Company | 2391 |
14 |
| Totalenergies Onetech | 1549 |
13 |
| NTN Corporation | 4935 |
12 |
| AutoNetworks Technologies, Ltd. | 7268 |
12 |
| Kyushu University, National University Corporation | 1735 |
12 |
| Sumitomo Electric Industries, Ltd. | 16404 |
10 |
| Sumitomo Wiring Systems, Ltd. | 11204 |
10 |
| Chevron Japan Ltd. | 96 |
9 |
| ENEOS Corporation | 720 |
9 |
| JFE Steel Corporation | 7660 |
8 |
| Other owners | 402 |