- All sections
- C - Chemistrymetallurgy
- 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: 172
10-year publication summary
|
11
|
15
|
13
|
15
|
6
|
9
|
9
|
5
|
10
|
5
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Idemitsu Kosan Co., Ltd. | 4239 |
43 |
| JX Nippon Oil & Energy Corporation | 999 |
19 |
| Adeka Corporation | 1368 |
14 |
| The Lubrizol Corporation | 1290 |
9 |
| FUJIFILM Corporation | 29713 |
7 |
| JXTG Nippon Oil & Energy Corporation | 323 |
7 |
| Moresco Corporation | 168 |
6 |
| ExxonMobil Research And Engineering Company | 2562 |
4 |
| Nippon Oil Corporation | 277 |
4 |
| ENEOS Corporation | 626 |
4 |
| Shell Internationale Research Maatschappij B.V. | 3555 |
3 |
| Mitsubishi Heavy Industries, Ltd. | 8823 |
3 |
| citizen Watch Co., Ltd. | 1079 |
3 |
| DIC Corporation | 3823 |
3 |
| Kao Corporation | 4981 |
2 |
| Dow Global Technologies LLC | 10459 |
2 |
| Chevron U.S.A. Inc. | 4010 |
2 |
| Afton Chemical Corporation | 487 |
2 |
| Fluitec N.V. | 31 |
2 |
| Kyowa Hakko Chemical Co., Ltd. | 25 |
2 |
| Other owners | 31 |