- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/205 - Preparation
Patent holdings for IPC class C01B 32/205
Total number of patents in this class: 584
10-year publication summary
|
1
|
19
|
51
|
57
|
53
|
55
|
49
|
73
|
116
|
76
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4577 |
36 |
| PI Advanced Materials Co., Ltd. | 204 |
19 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3744 |
16 |
| Carbon Holdings Intellectual Properties, LLC | 59 |
13 |
| SGL Carbon SE | 390 |
12 |
| LG Energy Solution, Ltd. | 15346 |
10 |
| POSCO Future M Co., Ltd. | 81 |
10 |
| Nippon Kornmeyer Carbon Group GmbH | 21 |
9 |
| Contemporary Amperex Technology Co., Limited | 7120 |
8 |
| JFE Chemical Corporation | 121 |
8 |
| Showa Denko K.K. | 2200 |
7 |
| Carbonscape Limited | 25 |
7 |
| Global Graphene Group, Inc. | 248 |
7 |
| Research Institute of Industrial Science & Technology | 502 |
7 |
| ENEOS Corporation | 618 |
7 |
| Ningde Xicheng Technology Co., Ltd. | 12 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 31882 |
6 |
| Mitsubishi Chemical Corporation | 4545 |
6 |
| Resonac Corporation | 2905 |
6 |
| Hazer Group Ltd | 14 |
5 |
| Other owners | 378 |