- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 32/18 - NanoonionsNanoscrollsNanohornsNanoconesNanowalls
Patent holdings for IPC class C01B 32/18
Total number of patents in this class: 223
10-year publication summary
|
24
|
15
|
20
|
36
|
23
|
25
|
39
|
9
|
20
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37005 |
29 |
| C2cnt LLC | 86 |
22 |
| Integrated Graphene Holding Limited | 21 |
12 |
| Massachusetts Institute of Technology | 10254 |
7 |
| Toray Industries, Inc. | 7111 |
6 |
| Nabors Energy Transition Solutions LLC | 72 |
6 |
| Graphene Technologies, Inc. | 9 |
5 |
| Kunming University of Science and Technology | 245 |
5 |
| National University of Singapore | 2586 |
5 |
| Lyten, Inc. | 355 |
4 |
| National Institute of Technology | 108 |
4 |
| H Quest Vanguard, Inc. | 25 |
4 |
| National University Corporation Tokai National Higher Education and Research System | 871 |
4 |
| Fuelgems, Inc. | 4 |
4 |
| Sumitomo Chemical Company, Limited | 8968 |
3 |
| Kolon Industries, Inc. | 1845 |
3 |
| William Marsh Rice University | 1070 |
3 |
| Structured Nano Carbon LLC | 5 |
3 |
| Dickinson Corporation | 21 |
3 |
| Sumitomo Electric Industries, Ltd. | 16355 |
2 |
| Other owners | 89 |