- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 137/02 - Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing phosphorus having no phosphorus-to-carbon bond
Patent holdings for IPC class C10M 137/02
Total number of patents in this class: 186
10-year publication summary
10
|
15
|
13
|
7
|
14
|
17
|
14
|
15
|
8
|
2
|
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 |
53 |
JX Nippon Oil & Energy Corporation | 1019 |
13 |
The Lubrizol Corporation | 1335 |
11 |
ENEOS Corporation | 611 |
11 |
Nippon Oil Corporation | 340 |
8 |
JXTG Nippon Oil & Energy Corporation | 325 |
8 |
citizen Watch Co., Ltd. | 1062 |
6 |
Sumitomo Electric Industries, Ltd. | 14131 |
5 |
Sumitomo Wiring Systems, Ltd. | 9367 |
5 |
JTEKT Corporation | 2423 |
5 |
Afton Chemical Corporation | 468 |
5 |
AutoNetworks Technologies, Ltd. | 5809 |
5 |
Kyushu University, National University Corporation | 1572 |
5 |
Cargill, Incorporated | 2835 |
4 |
Chevron Oronite Company LLC | 551 |
3 |
ExxonMobil Research And Engineering Company | 2830 |
2 |
Hitachi Automotive Systems, Ltd. | 3970 |
2 |
NTN Corporation | 5008 |
2 |
Chevron Japan Ltd. | 83 |
2 |
Fuchs Petrolub SE | 61 |
2 |
Other owners | 29 |