- 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: 694
10-year publication summary
26
|
30
|
31
|
45
|
43
|
40
|
55
|
53
|
45
|
8
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Idemitsu Kosan Co., Ltd. | 4116 |
54 |
The Lubrizol Corporation | 1313 |
52 |
Kyodo Yushi Co., Ltd. | 230 |
24 |
Chevron Oronite Company LLC | 561 |
17 |
Total Marketing Services | 484 |
16 |
Shell Internationale Research Maatschappij B.V. | 3726 |
15 |
Afton Chemical Corporation | 478 |
15 |
JX Nippon Oil & Energy Corporation | 1010 |
15 |
BASF SE | 20458 |
14 |
ExxonMobil Research And Engineering Company | 2654 |
14 |
AutoNetworks Technologies, Ltd. | 6347 |
12 |
Kyushu University, National University Corporation | 1628 |
12 |
Sumitomo Electric Industries, Ltd. | 15015 |
10 |
Sumitomo Wiring Systems, Ltd. | 10031 |
10 |
Totalenergies Onetech | 1139 |
10 |
NTN Corporation | 4980 |
9 |
Vallourec Oil and Gas France | 462 |
8 |
Castrol Limited | 529 |
7 |
Infineum International Limited | 349 |
7 |
Nippon Steel & Sumitomo Metal Corporation | 1988 |
7 |
Other owners | 366 |