- All sections
- C - Chemistry; metallurgy
- C10M - Lubricating compositions; use of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 133/38 - Heterocyclic nitrogen compounds
Patent holdings for IPC class C10M 133/38
Total number of patents in this class: 92
10-year publication summary
|
4
|
7
|
6
|
1
|
2
|
4
|
1
|
5
|
4
|
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 |
16 |
| The Lubrizol Corporation | 1335 |
8 |
| Chevron Oronite Company LLC | 551 |
6 |
| JX Nippon Oil & Energy Corporation | 1019 |
4 |
| FUJIFILM Corporation | 27102 |
3 |
| Adeka Corporation | 1333 |
3 |
| Chevron Japan Ltd. | 83 |
3 |
| Kyodo Yushi Co., Ltd. | 224 |
3 |
| Sumitomo Electric Industries, Ltd. | 14131 |
2 |
| Sumitomo Wiring Systems, Ltd. | 9367 |
2 |
| Chevron U.S.A. Inc. | 3774 |
2 |
| NTN Corporation | 5008 |
2 |
| Northwestern University | 3112 |
2 |
| AutoNetworks Technologies, Ltd. | 5809 |
2 |
| citizen Holdings Co., Ltd. | 332 |
2 |
| citizen Watch Co., Ltd. | 1062 |
2 |
| Infineum International Limited | 340 |
2 |
| Japan Energy Corporation | 21 |
2 |
| Kyushu University, National University Corporation | 1572 |
2 |
| Nippon Oil Corporation | 340 |
2 |
| Other owners | 22 |