- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 171/02 - Specified values of viscosity or viscosity index
Patent holdings for IPC class C10M 171/02
Total number of patents in this class: 305
10-year publication summary
|
11
|
16
|
18
|
43
|
43
|
14
|
25
|
14
|
11
|
1
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ExxonMobil Research And Engineering Company | 2830 |
43 |
| Idemitsu Kosan Co., Ltd. | 3995 |
27 |
| ExxonMobil Chemical Patents Inc. | 4286 |
19 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
17 |
| JX Nippon Oil & Energy Corporation | 1019 |
15 |
| Chevron U.S.A. Inc. | 3774 |
14 |
| ENEOS Corporation | 611 |
10 |
| Shell Oil Company | 2196 |
8 |
| NTN Corporation | 5008 |
7 |
| Nippon Oil Corporation | 340 |
6 |
| Shell USA, Inc. | 1074 |
6 |
| ExxonMobil Technology and Engineering Company | 676 |
6 |
| Chevron Oronite Company LLC | 551 |
5 |
| Afton Chemical Corporation | 468 |
5 |
| The Lubrizol Corporation | 1335 |
5 |
| Total Marketing Services | 487 |
5 |
| JXTG Nippon Oil & Energy Corporation | 325 |
5 |
| NSK Ltd. | 2719 |
4 |
| Mitsui Chemicals, Inc. | 3134 |
4 |
| Chevron Phillips Chemical Company LP | 1779 |
4 |
| Other owners | 90 |