- All sections
- C - Chemistry; metallurgy
- 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: 641
10-year publication summary
|
20
|
26
|
30
|
31
|
44
|
43
|
40
|
53
|
40
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 3995 |
51 |
| The Lubrizol Corporation | 1335 |
46 |
| Kyodo Yushi Co., Ltd. | 224 |
20 |
| Chevron Oronite Company LLC | 551 |
16 |
| Total Marketing Services | 487 |
16 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
15 |
| JX Nippon Oil & Energy Corporation | 1019 |
15 |
| ExxonMobil Research And Engineering Company | 2830 |
14 |
| BASF SE | 19740 |
12 |
| AutoNetworks Technologies, Ltd. | 5809 |
12 |
| Kyushu University, National University Corporation | 1572 |
12 |
| Afton Chemical Corporation | 468 |
11 |
| Sumitomo Electric Industries, Ltd. | 14131 |
10 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
10 |
| NTN Corporation | 5008 |
9 |
| NSK Ltd. | 2719 |
7 |
| Castrol Limited | 520 |
7 |
| Nippon Steel & Sumitomo Metal Corporation | 1990 |
7 |
| NOK Corporation | 2108 |
7 |
| NOK Kluber Co., Ltd. | 54 |
7 |
| Other owners | 337 |