- All sections
- C - Chemistrymetallurgy
- C10N - Indexing scheme associated with subclass
- C10N 40/08 - Hydraulic fluids, e.g. brake-fluids
Patent holdings for IPC class C10N 40/08
Total number of patents in this class: 597
10-year publication summary
|
27
|
33
|
53
|
34
|
33
|
37
|
45
|
38
|
53
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4235 |
105 |
| The Lubrizol Corporation | 1249 |
36 |
| JX Nippon Oil & Energy Corporation | 978 |
26 |
| Shell Internationale Research Maatschappij B.V. | 3403 |
19 |
| Dow Global Technologies LLC | 10944 |
16 |
| SANYO Chemical Industries, Ltd. | 521 |
16 |
| NOK Corporation | 2299 |
13 |
| FUJIFILM Corporation | 30514 |
12 |
| Afton Chemical Corporation | 495 |
12 |
| JXTG Nippon Oil & Energy Corporation | 323 |
12 |
| BASF SE | 21303 |
11 |
| Chevron Oronite Company LLC | 594 |
11 |
| Evonik Operations GmbH | 4362 |
11 |
| Mitsui Chemicals, Inc. | 3246 |
9 |
| ENEOS Corporation | 693 |
9 |
| Adeka Corporation | 1377 |
8 |
| Totalenergies Onetech | 1535 |
7 |
| Shell Oil Company | 2071 |
6 |
| ExxonMobil Chemical Patents Inc. | 3776 |
6 |
| KYB Corporation | 1422 |
6 |
| Other owners | 246 |