- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/225 - Expansion; Exfoliation
Patent holdings for IPC class C01B 32/225
Total number of patents in this class: 222
10-year publication summary
|
10
|
19
|
27
|
38
|
29
|
33
|
21
|
22
|
24
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sekisui Chemical Co., Ltd. | 3308 |
16 |
| Global Graphene Group, Inc. | 249 |
8 |
| Adeka Corporation | 1342 |
7 |
| Nanoxplore Inc. | 46 |
7 |
| The Regents of the University of California | 19517 |
5 |
| Avadain, LLC | 11 |
5 |
| Directa Plus S.p.A. | 61 |
4 |
| Graphene Platform Corporation | 24 |
4 |
| Oita University | 17 |
4 |
| TMTP Labs, Inc. | 4 |
4 |
| Honeycomb Battery Company | 378 |
4 |
| Guangdong Brunp Recycling Technology Co., Ltd | 981 |
3 |
| Hunan Brunp Recycling Technology Co., Ltd. | 945 |
3 |
| Taiwan Textile Research Institute | 147 |
3 |
| Tokyo Institute of Technology | 1389 |
3 |
| Universite Grenoble Alpes | 697 |
3 |
| Log 9 Materials Scientific Private Limited | 31 |
3 |
| LG Energy Solution, Ltd. | 12884 |
3 |
| BASF SE | 20432 |
2 |
| Semiconductor Energy Laboratory Co., Ltd. | 11101 |
2 |
| Other owners | 129 |