- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse 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: 91
10-year publication summary
|
7
|
6
|
1
|
2
|
4
|
1
|
5
|
5
|
3
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4208 |
17 |
| The Lubrizol Corporation | 1283 |
8 |
| Chevron Oronite Company LLC | 572 |
7 |
| Chevron Japan Ltd. | 97 |
4 |
| JX Nippon Oil & Energy Corporation | 999 |
4 |
| Adeka Corporation | 1363 |
3 |
| Sumitomo Electric Industries, Ltd. | 15414 |
2 |
| FUJIFILM Corporation | 29295 |
2 |
| Sumitomo Wiring Systems, Ltd. | 10304 |
2 |
| Chevron U.S.A. Inc. | 3947 |
2 |
| NTN Corporation | 4984 |
2 |
| Northwestern University | 3374 |
2 |
| AutoNetworks Technologies, Ltd. | 6546 |
2 |
| citizen Holdings Co., Ltd. | 308 |
2 |
| citizen Watch Co., Ltd. | 1075 |
2 |
| Infineum International Limited | 388 |
2 |
| Japan Energy Corporation | 15 |
2 |
| Kyodo Yushi Co., Ltd. | 235 |
2 |
| Kyushu University, National University Corporation | 1652 |
2 |
| Sanden Corporation | 966 |
2 |
| Other owners | 20 |