- 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: 647
10-year publication summary
|
19
|
51
|
57
|
53
|
55
|
49
|
73
|
116
|
96
|
24
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kaneka Corporation | 4640 |
36 |
| PI Advanced Materials Co., Ltd. | 214 |
19 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3887 |
16 |
| Carbon Holdings Intellectual Properties, LLC | 63 |
14 |
| SGL Carbon SE | 395 |
12 |
| LG Energy Solution, Ltd. | 16647 |
11 |
| Contemporary Amperex Technology Co., Limited | 8462 |
10 |
| Nippon Kornmeyer Carbon Group GmbH | 21 |
10 |
| POSCO Future M Co., Ltd. | 112 |
10 |
| Carbonscape Limited | 26 |
8 |
| JFE Chemical Corporation | 122 |
8 |
| Showa Denko K.K. | 2133 |
7 |
| Global Graphene Group, Inc. | 248 |
7 |
| Research Institute of Industrial Science & Technology | 514 |
7 |
| BTR New Material Group Co., Ltd. | 254 |
7 |
| ENEOS Corporation | 654 |
7 |
| Ningde Xicheng Technology Co., Ltd. | 12 |
7 |
| Panasonic Intellectual Property Management Co., Ltd. | 32968 |
6 |
| Mitsubishi Chemical Corporation | 4662 |
6 |
| Hazer Group Ltd | 17 |
6 |
| Other owners | 433 |