- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 105/18 - Ethers, e.g. epoxides
Patent holdings for IPC class C10M 105/18
Total number of patents in this class: 275
10-year publication summary
|
14
|
25
|
16
|
32
|
16
|
25
|
8
|
16
|
8
|
1
|
| 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 |
44 |
| Saudi Arabian Oil Company | 11322 |
33 |
| NTN Corporation | 5008 |
22 |
| Kyodo Yushi Co., Ltd. | 224 |
19 |
| Castrol Limited | 520 |
8 |
| Moresco Corporation | 151 |
8 |
| JX Nippon Oil & Energy Corporation | 1019 |
7 |
| Nippon Thompson Co., Ltd. | 192 |
6 |
| Ushio Chemix Corporation | 12 |
6 |
| ExxonMobil Research And Engineering Company | 2830 |
5 |
| ExxonMobil Chemical Patents Inc. | 4286 |
5 |
| NSK Ltd. | 2719 |
5 |
| Denso Corporation | 23338 |
4 |
| Clariant International Ltd. | 978 |
4 |
| NOK Kluber Co., Ltd. | 54 |
4 |
| SANYO Chemical Industries, Ltd. | 472 |
4 |
| University of Yamanashi | 270 |
4 |
| Palace Chemical Co., Ltd. | 12 |
4 |
| ENEOS Corporation | 611 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Other owners | 76 |