- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/198 - Graphene oxide
Patent holdings for IPC class C01B 32/198
Total number of patents in this class: 613
10-year publication summary
|
1
|
10
|
17
|
88
|
93
|
96
|
104
|
89
|
74
|
24
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| ArcelorMittal | 1887 |
16 |
| The Regents of the University of California | 18943 |
14 |
| Global Graphene Group, Inc. | 246 |
14 |
| LG Energy Solution, Ltd. | 10813 |
13 |
| Zhejiang University | 2619 |
11 |
| Seoul National University R&db Foundation | 2976 |
10 |
| Saudi Arabian Oil Company | 11322 |
9 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
8 |
| Northwestern University | 3112 |
8 |
| National University of Singapore | 2228 |
8 |
| Royal Melbourne Institute of Technology | 139 |
7 |
| Nanotech Energy, Inc. | 39 |
7 |
| Korea Electrotechnology Research Institute | 411 |
6 |
| Asbury Graphite of North Carolina, Inc. | 22 |
6 |
| NEC Corporation | 32703 |
5 |
| Newsouth Innovations Pty Limited | 567 |
5 |
| University of Maryland, College Park | 894 |
5 |
| Carbon Upcycling Technologies Inc. | 18 |
5 |
| Ora Graphene Audio Inc. | 9 |
5 |
| Toray Industries, Inc. | 6652 |
4 |
| Other owners | 447 |