- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 137/04 - Phosphate esters
Patent holdings for IPC class C10M 137/04
Total number of patents in this class: 358
10-year publication summary
22
|
19
|
29
|
34
|
39
|
25
|
24
|
24
|
22
|
4
|
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 |
85 |
JX Nippon Oil & Energy Corporation | 1019 |
29 |
Ecolab USA Inc. | 5190 |
14 |
The Lubrizol Corporation | 1335 |
14 |
Kyodo Yushi Co., Ltd. | 224 |
10 |
citizen Watch Co., Ltd. | 1062 |
9 |
JXTG Nippon Oil & Energy Corporation | 325 |
8 |
ENEOS Corporation | 611 |
8 |
Adeka Corporation | 1333 |
6 |
Afton Chemical Corporation | 468 |
6 |
Totalenergies Onetech (previously Totalenergies One Tech) | 323 |
6 |
Sumitomo Electric Industries, Ltd. | 14131 |
5 |
Sumitomo Wiring Systems, Ltd. | 9367 |
5 |
AutoNetworks Technologies, Ltd. | 5809 |
5 |
Kyushu University, National University Corporation | 1572 |
5 |
NYCO SA | 27 |
5 |
Total Marketing Services | 487 |
5 |
NTN Corporation | 5008 |
4 |
Infineum International Limited | 340 |
4 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
Other owners | 122 |