- 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: 458
10-year publication summary
|
18
|
21
|
27
|
30
|
13
|
43
|
29
|
40
|
37
|
26
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsui Engineering & Shipbuilding Co., Ltd. | 318 |
15 |
| Hitachi Zosen Corporation | 617 |
14 |
| SABIC Global Technologies B.V. | 4344 |
14 |
| Osaka Gas Co., Ltd. | 314 |
12 |
| IHI Corporation | 3438 |
10 |
| Hitachi, Ltd. | 15495 |
9 |
| Mitsubishi Power, Ltd. | 1762 |
8 |
| Mitsubishi Electric Corporation | 46127 |
7 |
| Uop LLC | 4244 |
7 |
| Mitsubishi Materials Corporation | 2444 |
7 |
| Korea Gas Corporation | 115 |
6 |
| Shell Internationale Research Maatschappij B.V. | 3537 |
5 |
| Mitsubishi Heavy Industries, Ltd. | 8725 |
5 |
| California Institute of Technology | 3972 |
5 |
| BP p.l.c. | 516 |
5 |
| Daewoo Engineering & Construction Co., Ltd. | 28 |
5 |
| Mitsui Mining & Smelting Co., Ltd. | 1486 |
5 |
| Honeywell International Inc. | 13553 |
4 |
| FUJIFILM Corporation | 29399 |
4 |
| Chiyoda Corporation | 398 |
4 |
| Other owners | 307 |