- All sections
- C - Chemistrymetallurgy
- C07C - Acyclic or carbocyclic compounds
- C07C 9/04 - Methane
Patent holdings for IPC class C07C 9/04
Total number of patents in this class: 505
10-year publication summary
|
21
|
27
|
30
|
14
|
43
|
30
|
40
|
40
|
50
|
20
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hitachi Zosen Corporation | 590 |
14 |
| SABIC Global Technologies B.V. | 4605 |
14 |
| Mitsui Engineering & Shipbuilding Co., Ltd. | 295 |
13 |
| Osaka Gas Co., Ltd. | 316 |
12 |
| NGK Insulators, Ltd. | 5241 |
10 |
| IHI Corporation | 3531 |
10 |
| Hitachi, Ltd. | 16146 |
9 |
| Mitsubishi Power, Ltd. | 1833 |
8 |
| Shell Internationale Research Maatschappij B.V. | 3397 |
7 |
| Mitsubishi Electric Corporation | 48097 |
7 |
| Uop LLC | 4388 |
7 |
| Mitsubishi Materials Corporation | 2473 |
7 |
| Korea Gas Corporation | 123 |
6 |
| Niterra Co., Ltd. | 1410 |
6 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
5 |
| California Institute of Technology | 4039 |
5 |
| BP p.l.c. | 536 |
5 |
| Daewoo Engineering & Construction Co., Ltd. | 24 |
5 |
| Mitsui Mining & Smelting Co., Ltd. | 1096 |
5 |
| Enerflex US Holdings Inc. | 8 |
5 |
| Other owners | 345 |