- All sections
- C - Chemistrymetallurgy
- C10M - Lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a lubricating composition
- C10M 137/04 - Phosphate esters
Patent holdings for IPC class C10M 137/04
Total number of patents in this class: 379
10-year publication summary
|
29
|
34
|
39
|
25
|
24
|
24
|
21
|
17
|
14
|
14
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4275 |
88 |
| JX Nippon Oil & Energy Corporation | 978 |
28 |
| The Lubrizol Corporation | 1261 |
17 |
| ENEOS Corporation | 711 |
13 |
| Totalenergies Onetech | 1546 |
12 |
| Ecolab USA Inc. | 5831 |
10 |
| Kyodo Yushi Co., Ltd. | 249 |
10 |
| citizen Watch Co., Ltd. | 1092 |
9 |
| Lanxess Deutschland GmbH | 1148 |
8 |
| JXTG Nippon Oil & Energy Corporation | 323 |
8 |
| Afton Chemical Corporation | 499 |
7 |
| NTN Corporation | 4925 |
6 |
| Minebea Mitsumi Inc. | 1983 |
6 |
| Totalenergies Onetech (previously Totalenergies One Tech) | 285 |
6 |
| Sumitomo Electric Industries, Ltd. | 16368 |
5 |
| Sumitomo Wiring Systems, Ltd. | 11180 |
5 |
| Adeka Corporation | 1387 |
5 |
| AutoNetworks Technologies, Ltd. | 7244 |
5 |
| Kyushu University, National University Corporation | 1732 |
5 |
| NYCO SA | 30 |
5 |
| Other owners | 121 |