- All sections
- C - Chemistry; metallurgy
- C10N - Indexing scheme associated with subclass
- C10N 40/12 - Gas-turbines
Patent holdings for IPC class C10N 40/12
Total number of patents in this class: 164
10-year publication summary
|
8
|
11
|
15
|
13
|
15
|
6
|
9
|
9
|
4
|
7
|
| 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 |
42 |
| JX Nippon Oil & Energy Corporation | 1019 |
19 |
| Adeka Corporation | 1333 |
14 |
| The Lubrizol Corporation | 1335 |
9 |
| FUJIFILM Corporation | 27102 |
7 |
| JXTG Nippon Oil & Energy Corporation | 325 |
7 |
| ExxonMobil Research And Engineering Company | 2830 |
4 |
| Moresco Corporation | 151 |
4 |
| Nippon Oil Corporation | 340 |
4 |
| ENEOS Corporation | 611 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3792 |
3 |
| DIC Corporation | 3597 |
3 |
| Kyowa Hakko Chemical Co., Ltd. | 44 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
2 |
| Kao Corporation | 4843 |
2 |
| Dow Global Technologies LLC | 10147 |
2 |
| Chevron U.S.A. Inc. | 3774 |
2 |
| Afton Chemical Corporation | 468 |
2 |
| Showa Shell Sekiyu K.K. | 99 |
2 |
| BASF SE | 19740 |
1 |
| Other owners | 28 |