- All sections
- C - Chemistry; metallurgy
- C01B - Non-metallic elements; compounds thereof
- C01B 32/18 - Nanoonions; Nanoscrolls; Nanohorns; Nanocones; Nanowalls
Patent holdings for IPC class C01B 32/18
Total number of patents in this class: 200
10-year publication summary
|
3
|
24
|
15
|
20
|
36
|
23
|
25
|
39
|
9
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 34337 |
27 |
| C2cnt LLC | 86 |
20 |
| Massachusetts Institute of Technology | 9909 |
7 |
| Toray Industries, Inc. | 6843 |
7 |
| National University of Singapore | 2362 |
6 |
| Nabors Energy Transition Solutions LLC | 66 |
6 |
| Graphene Technologies, Inc. | 8 |
5 |
| Fuelgems, Inc. | 5 |
5 |
| Kunming University of Science and Technology | 150 |
4 |
| National Institute of Technology | 87 |
4 |
| H Quest Vanguard, Inc. | 20 |
4 |
| National University Corporation Tokai National Higher Education and Research System | 651 |
4 |
| Sumitomo Chemical Company, Limited | 8976 |
3 |
| Kolon Industries, Inc. | 1586 |
3 |
| William Marsh Rice University | 972 |
3 |
| Dickinson Corporation | 22 |
3 |
| Integrated Graphene Holding Limited | 7 |
3 |
| Sumitomo Electric Industries, Ltd. | 14929 |
2 |
| Hitachi, Ltd. | 15203 |
2 |
| Tokyo Electron Limited | 12090 |
2 |
| Other owners | 80 |